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SERVICE MANUAL - Imcopex America

1. LU option d _ zr 50gatic002na 1 Scanner section 10 PC or DK option 2 Paper reverse exit section 11 Paper feed section tray 1 2 3 Fusing section 12 Developing section 4 Photo conductor section 13 Writing section 5 ADU 14 Charging section Transfer separation section 15 Toner supply section 7 Registration section 16 Cleaning toner recycle section 8 Bypass tray section 17 DF 9 Theory of Operation Ver 2 0 2009 4 PAPER PATH 4 PAPER PATH bizhub 501 421 361 50gat1c003na 1 gt Reverse conveyance 6 Tray 2 paper feed 2 ADU conveyance Tray 1 paper feed 8 Bypass paper feed B Registration conveyance 4 LU paper feed 9 Paper exit 5 paper feed bizhub 501 421 361 OUTLIN
2. 6 5 5 2 1 Pressure release 6 5 2 2 7 5 5 3 Stapling mechanisms iiit iet rte eerie pi hee eee e rela 8 8 5 4 Staple 9 5 4 1 Staple guidemechanism rc cn eere id ee rire Een re EE ER 9 5 4 2 Operation 9 5 5 Half foldinig mechanism 10 5 5 1 E M 11 5 6 Paper guide correre E 12 5 6 1 Paper guide mechanism sess 12 5 7 Tray paper detection 5 Theory of Operation 1 0 May 2008 SD 507 OUTLINE E 4 Q gt 2 x Blank Page Theory of Operation 1 0 May 2008 1 PRODUCT SPECIFICATIONS B OUTLINE 1 PRODUCT SPECIFICATIONS N FS built in saddle stitching device Installation Screwed to the FS Document Alignment Center Center parallel two points No of sheets to be stapled together 2 to 15 Consumables Staples 2000 staples cartridge Stapling Function B Paper type Plain Paper 2 Recycled paper 56 to 90 g m Metric B4 45 55 2 11 x 17 8 x 115 Foolscap Size 8K 1 16K
3. 4349t1c003na 1 From the main body 3 Exiting paper to OT 2 Convey to OT FS 522 PU 501 OT 602 OUTLINE 2 PAPER PATH Blank Page Theory of Operation Ver 1 0 May 2008 Theory of Operation 1 0 May 2008 3 COMPOSITION B COMPOSITION OPERATION 3 COMPOSITION Up down Section Conveyance Section FS 522 PU 501 OT 602 PU SS S i 5 NL C i g TN 2 z C Staple Section E 4349t2c001na 4 DRIVE Theory of Operation 1 0 May 2008 4 DRIVE 9 44 FS 522 a S 5 6 4 7 ES 5 2 434912 002 1 Stapler Drive Section 5 Paper Exit Opening Drive Section 2 Exit Drive Section 6 Conveyance Alignment Drive Section 3 Up down Drive Section 7 Entrance Drive Section 4 Shutter Drive Section 70 Theory of Operation 1 0 May 2008 4 DRIVE 42 PU 501 FS 522 PU 501 OT 602 z lt S 5 2 i a 451212 001 1 Punch Drive Section 77 FS 522 PU 501 OT 602 4
4. 50gat2c066na 50gat2c067na 6 1 9 1 CO zo 50gat2c068na 50gat2c069na Theory of Operation Ver 2 0 Mar 2009 The 1st sheet of paper is fed again and the image of the 1st page the front side of the 1st sheet of paper when the original is double sided is printed At this time the 3rd sheet of paper is fed and the 2nd sheet of paper is turned over at the paper reverse exit section to be conveyed into ADU While the 1st sheet of paper is being exited the image of the 6th page the back side of the 3rd sheet of paper when the original is double sided is printed on the 3rd sheet of paper At this time the 2nd sheet of paper is standing by on this side of the conveyance roller 3 The 3rd sheet of paper is conveyed to ADU after being turned over at the paper reverse exit sec tion At this time the 2nd sheet of paper that has been standing by is fed again The image of the 3rd page the front side of the 2nd sheet of paper when the original is double sided is printed on the 2nd sheet of paper At this time the 3rd sheet of paper has been conveyed into ADU and the 4th sheet of paper is fed at the same time 68 Theory of Operation Ver 2 0 2009 17 ADU SECTION 8 While the 2nd sheet of paper is being exited the image of the 8th page the back side of the 4th sheet of paper when the original is double sided is printed
5. ES 5 42 14 PAPER FEED SECTION Tray 1 2 Theory of Operation Ver 2 0 Mar 2009 14 PAPER FEED SECTION Tray 1 2 14 1 Composition 14 4 1 Tray 1 Pick up roller Lift plate Feed roller Separation roller 50gat2c015na 14 1 2 Tray 2 Vertical conveyance roller Pick up roller Feed roller Lift plate Separation roller 50gat2c104na Theory of Operation Ver 2 0 Mar 2009 14 PAPER FEED SECTION Tray 1 2 14 2 Drive 14 2 1 Paper feed drive e 2 zt o 2 N a 12 lt 6 gt 50gat2c016na 1 Feed motor M9 B Feed roller 2 8 2 Feed clutch 9 gt Separation roller 2 3 Feed roller 1 10 Pick up roller 2 4 Separation roller 1 11 Tray2 5 Vertical conveyance roller 12 Tray 1 6 Vertical conveyance clutch CL3 13 Pick up roller 1 7 Feedclutch 2 CL5 14 2 2 Tray lift drive 3104 50gat2c017na 1 Lift arm B Paper lift motor 1 M7 2 Lift plate 4 Paper lift motor 2 M8 43 bizhub 501 421 361 ES 5 44 14 PAPER FEED SECTION Tray 1 2 Theory of Operation Ver 2 0 Mar 2009 14 3 Operation 14 3 1 Up d
6. 1 4521t1c004na 1 Paper exit roller main body 5 FS 523 2 Bypass gate 6 Punch 3 Main gate 7 RU 507 4 Sub tray lote Even when mixed with the punch mode the paper path is the same B Non sort sort group mode 3 REN PI 4521t1c005na 1 Paper exit roller main body 5 Main gate 2 Bypass gate 6 Punch 3 Main tray RU 507 4 FS 523 Note Even when mixed with the punch mode the paper path is the same FS 523 RU 507 OUTLINE 2 PAPER PATH Staple mode Theory of Operation Ver 1 0 May 2008 6 U 8 9 10 11 1 4521t1c006na Paper exit roller main body Bypass gate Paper path for the 1st paper of the 2nd and succeeding copies Stapler Handling tray ain tray 7 8 9 10 11 Paper path for other than the 1st paper of the 2nd and succeeding copies FS 523 Main gate Punch RU 507 Note Even when the A B or C mode mentioned above is mixed with the punch mode the paper path is the same Theory of Operation 1 0 May 2008 3 COMPOSITION B COMPOSITION OPERATION 3 COMPOSITION FS 523 RU 507 Conveyance i Sub tray section Punch section RU 507
7. gt D x CONTENTS Theory of Operation Ver 2 0 Mar 2009 29 2 3 COMPOSIIONS ors ceu Ha Seay Senses REEL Nese 102 299 22 ODIO ses SS ex EN QE Dama EO ad 103 23 3 Parts that operate when the power switch is turned 105 23 3 1 Parts that operate when the main power switch SW1 is turned ON 105 23 3 2 Parts that operate when the power switch SW2 is turned 106 23 4 RC 107 23 4 1 Authentication unit Biometric type AU 101 107 23 4 2 Authentication unit IC card type 201 107 iv Theory of Operation Ver 2 0 2009 1 SYSTEM CONFIGURATION B OUTLINE 1 SYSTEM CONFIGURATION A System configuration 033 34 35 1 36 e e I N EU o E des N 5 27 25 24 23 22 50gat1e001ne bizhub 501 421 361 OUTLINE 1 SYSTEM CONFIGURATION 2 4 2 3 aN Oost 11 12 13 14 15 16 17 18 Theory of Operation Ver 2 0 Mar 2009 Reverse automatic document feeder 19 Desk DK 506 DF 613 standard equipment 20
8. x Blank Page Theory of Operation 1 0 May 2008 1 PRODUCT SPECIFICATION B OUTLIN 1 PRODUCT SPECIFICATION E 2500 sheets paper feed cabinet Type Front loading type LCC Installation Desk type Document Alignment Center B Paper type Paper Type Same as the main body A Metric A4 Paper Size Inch 8 x 11 Capacity 2500 sheets 80 g m C Maintenance Maintenance Same as the main body D Machine specifi ications Power Requirements 24V 10 5V DC 5 supplied from the main body Power Consumption 45 W or less Dimensions 570 mm W x 577 mm D x 300 mm H Weight Approx 26 0 kg E Operating environment Temperature Same as the main body Humidity Same as the main body NOTE The information herein may be subject to change for improvement without notice 2 PAPER PATH 2 PAPER PATH Theory of Operation Ver 1 0 May 2008 PC 407 OUTLINE 5 4 3 40611 201 1 Convey to the main body 4 From the Sub Tray to Main Tray 2 Tray paper feed 5 Sub Tray 3 Main Tray Theory of Operation 1 0 2008 B COMPOSITION OPERATION 3 COMPOSITION 3 COMPOSITION Tray Section Paper Feed Section
9. a ENKER 1 2 socero a ark sectas rAr ARAA PRA aud cod utd ded 2 COMPOSITION OPERATION 3 COMPOSITION tiscali watt ag macaw EROR NOUO Te gni a unb aad dover Ohad 3 4 PAPERIFEED SECTION ead UE DURER boda pe dd ga Sd ede 4 Bole DUOC as eed a ERA 6 8 Ede by ead 4 4 3 Paperfeed dive esata dui cmi d qui 4 42 p eta aud dea PRA EAE qund amp Git PHP 5 42 2 Remaining paper detection control ccssccede e vena ar LAGE 7 5 RAY SEG TIONS m Ser ed SE wes pipe EE Ee E d amas 8 o nS ec 8 5 54 3 E DEOS De FRE ER ie Operaltiolu pate dala EPI Eus ats 9 5 521 Tray thd dee 9 5 CONTENTS Theory of Operation Ver 1 0 May 2008 LU 203 OUTLINE z E gt D x Blank page Theory of Operation 1 0 May 2008 B OUTLINE 1 PRODUCT SPECIFICATION 1 PRODUCT SPECIFICATION 3 A Type Type Side mount type large volume paper feed tray B Functions Maximum tray c
10. Ol BSS OFF OFF OFF OFF OFF A4S ON OFF O Ol 812 x14 O Ol Ol OFF Ol Ol B4 O Ol Ol OFF Ol OFF A3 Ol ON OFF O lt p 6 ES 5 46 Theory of Operation Ver 2 0 Mar 2009 14 3 3 Paper feed control A Pick up mechanism The pick up roller 4 is brought up and down mechanically by the lever 6 provided on the rear side of the paper feed unit When the tray is set the lever is pushed by the tray to bring down the pick up roller In this way the pick up roller comes in contact with paper to pick it up 14 PAPER FEED SECTION Tray 1 2 e 3 s 2 5 COMPOSITION OPERATION 50gat2c098na 1 2 3 Feed roller Separation roller When the tray is set with the pick up roller brought down 4 Pick up roller 5 When the tray is not set with the pick up roller brought up 6 Lever 47 bizhub 501 421 361 z E gt 2 x 14 PAPER FEED SECTION Tray 1 2 Theory of Operation Ver 2 0 Mar 2009 B Pick up control 1 Tray 1 pick up control When the print start signal turn ON 1 the feed motor M9 and the feed clutch 1 CL4 also turn ON In this way the driving force of M9 is transmitted to the pick up roller and the feed roller to pick up 2 the 1st
11. many Classification Load symbol Ex of signal name Description IN PS Sensor PS Door PS1 Sensor detection signal SIG 102 PS 24V Power to drive the solenoid Solenoid SD DRV Drive signal SOL 24V Power to drive the clutch Clutch CL DRV Drive signal SOL C 3 Classification Load symbol Ex of signal name Description 24V Power to drive the motor CONT Drive signal Motor M Sad DRV2 Di Drive signals of two kinds D2 _U V Ww Drive signals control signals of three kinds DRV1 DRV2 DRV3 D1 D2 D3 D4 DRVA DRVA DRV Drive signals control signals of four kinds DRVB Motor phases A and B control signals A Motor M A B B AB BB CLK PLL PLL control signal LCK Lock LD PLL lock signal FR Forward reverse rotation signal EM Lock LCK LD Motor lock abnormality BLK Drive brake signal P S Power stop S S 55 Operating load start stop signal CW CCW F R Rotational direction switching signal ENB Effective signal TEMP_ER Motor temperature abnormality detection signal 24V Power to drive the fan motor Ei CONT DRIVE Drive signal HL Speed control signal 2 speeds EM Lock LCK FEM Detection signal Others TH1 S ANG Analog signal C 4 Classification Load symbol Ex of signal name Description SG S GND S_GND Signa
12. Main tray section Staple section lt S 2 amp 4521t2c001na 4 DRIVE Theory of Operation 1 0 May 2008 4 DRIVE E o R 4 1 FS 523 x 12 13 14 u lt 6 4521t2e001na a 1 Paddle motor 9 B gt Paper exit motor 2 Hole punch selector motor M14 inch 9 Paddle motor Up M15 area 10 Paper exit roller release motor M13 3 lift motor M7 11 Conveyance motor Lw M2 4 Shift motor M8 12 Conveyance motor Up 5 Stapler moving motor M6 13 Entrance conveyance motor M1 6 Alignment motor 5 14 Punch motor M11 7 Intermediate conveyance roller release motor M12 Theory of Operation 1 0 May 2008 4 DRIVE 42 RU 507 FS 523 RU 507 X 16fat2c001na 1 Main body fusing motor M11 4 gt Conveyance roller 2 Entrance conveyance roller FS 523 5 Coupling gear 3 Belt z lt 5 5 2 8 E a i a 5 Theory of Operation Ver 1 0 2008 5 OPERATION 5 1 RU conveyance section 5 1 1 Conveyance mechanism KR T E x N
13. S 2 E B x 97 bizhub 501 421 361 ES 5 23 OTHERS 23 OTHERS 98 23 1 23 1 1 Fan control Composition Theory of Operation Ver 2 0 Mar 2009 50gat2c029nb 1 2 I 4 5 6 Exhaust fan Rr 9 Exhaust fan Fr CPU cooling fan FM1 1 Conveyance suction fan FM5 Drum cooling fan 4 Developing suction fan 6 7 8 9 10 11 Fusing cooling fan Fr FM2 Fusing cooling fan Rr FM8 Power supply cooling fan FM1 Overall control board cooling fan FM10 Developing cooling fan FM7 Theory of Operation Ver 2 0 2009 23 OTHERS 23 1 2 Operation A Power supply cooling fan FM1 control 1 Purpose Cool down the DC power supply DCPS and the high voltage unit HV2 with suction air 2 ON timing It turns ON a specified period of time after the drum motor M1 turns ON While in the auto toner supply mode and the TCR adjustment mode it turns ON in synch with the turn ON of M1 e While in the low power mode and the stand by condition it turns ON in synch with the turn ON of the drum cooling fan FM4 bizhub 501 421 361 3 OFF timing e While in the initial charging mode the auto toner supply mode and the TCR adjustment mode it turns OFF in synch with the turn OFF of the drum motor M1 n cases other tha
14. 1 Envelope lever bizhub 501 421 361 ES 5 78 18 FUSING SECTION Theory of Operation Ver 2 0 Mar 2009 18 3 6 Protection against abnormality When the thermistors 1 TH1 and 2 TH2 detects a stipulated temperature 233 C 5 times at the prescribed intervals this is deemed to a high temperature abnormality and the fusing heater lamps 1 L2 and 2 L3 are turned OFF The thermostat TS also monitors an abnormal temperature rise and when the detected tempera ture gets to 220 10 C the AC power lines to L2 and L3 are shut off For each condition in the warm up print stand by and the low power modes the detected temperatures of TH1 and TH2 and the number of times when L2 and L3 turned ON are calculated And it is considered that a low temperature abnormality occurs when certain conditions are met When a low temperature abnormality occurs the power supply to L2 and L3 is cut off When these fusing temperature abnormalities occur the system is placed in the SC latch condition with a mes sage shown in the touch panel After repairing with the cause of abnormality identified it is necessary to release he SC latch by the software DipSW3 1 for restoration CBR TH1 Control section TH2 G 50gat2c084na 18 3 7 Jam detection control Only while in the print when the detected temperat
15. 74 KONICA MINOLTA SERVICE MANUAL 502 bizhub 501 421 361 2008 05 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Ver 1 0 Revision history After publication of this service manual the parts and mechanism may be subject to change for improvement of their performance Therefore the descriptions given in this service manual may not coincide with the actual machine When any change has been made to the descriptions in the service manual a revised version will be issued with a revision mark added as required Revision mark To indicate clearly a section revised is shown at the left margin of the revised section The number inside represents the number of times the revision has been made To indicate clearly page that contains the revision is shown near the page number of the corresponding page The number inside A represents the number of times the revision has been made NOTE Revision marks shown in a page are restricted only to the latest ones with the old ones deleted When a page revised in Ver 2 0 has been changed in Ver 3 0 The revision marks for Ver 3 0 only are shown with those for Ver 2 0 deleted When a page revised in Ver 2 0 has not been changed in Ver 3 0 The revision marks for Ver 2 0 are left as they are 2008 05 1 0 Issue of the first edition Date Service manual Ver Revision mark Descriptions of revision Theory of Operati
16. ES 5 34 IKONICA MINOLTA SERVICE MANUAL FS 523 RU 507 2008 05 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Ver 1 0 Revision history After publication of this service manual the parts and mechanism may be subject to change for improve ment of their performance Therefore the descriptions given in this service manual may not coincide with the actual machine When any change has been made to the descriptions in the service manual a revised version will be issued with a revision mark added as required Revision mark To indicate clearly a section revised is shown at the left margin of the revised section The number inside represents the number of times the revision has been made To indicate clearly a page that contains the revision A is shown near the page number of the corresponding page The number inside represents the number of times the revision has been made NOTE Revision marks shown in a page are restricted only to the latest ones with the old ones deleted When a page revised in Ver 2 0 has been changed in Ver 3 0 The revision marks for Ver 3 0 only are shown with those for Ver 2 0 deleted When a page revised in Ver 2 0 has not been changed in Ver 3 0 The revision marks for Ver 2 0 are left as they are 2008 05 1 0 Issue of the fir
17. KONICA MINOLTA SERVICE MANUAL JS 502 bizhub 501 421 361 2008 05 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Ver 1 0 Revision history After publication of this service manual the parts and mechanism may be subject to change for improvement of their performance Therefore the descriptions given in this service manual may not coincide with the actual machine When any change has been made to the descriptions in the service manual a revised version will be issued with a revision mark added as required Revision mark To indicate clearly a section revised is shown at the left margin of the revised section The number inside represents the number of times the revision has been made To indicate clearly page that contains the revision is shown near the page number of the corresponding page The number inside A represents the number of times the revision has been made NOTE Revision marks shown in a page are restricted only to the latest ones with the old ones deleted When a page revised in Ver 2 0 has been changed in Ver 3 0 The revision marks for Ver 3 0 only are shown with those for Ver 2 0 deleted When a page revised in Ver 2 0 has not been changed in Ver 3 0 The revision marks for Ver 2 0 are left as they are 2008 05 1 0 Issue of the first edition Date Service manual Ver Revision mark Descriptions of revision Theory of Operation 1
18. Power source 24 DC 10 96 supplied from the main body Power consumption 63 W or less Dimensions 538 W x 637 D x 978 H mm Weight 39 2 kg H Operating environment Temperature Same as the main body Humidity Same as the main bogy Note The information herein may be subject to change for improvement without notice FS 523 RU 507 OUTLINE 1 PRODUCT SPECIFICATION Theory of Operation Ver 1 0 May 2008 1 2 RU 507 A Type Type Roller method relay conveyance unit B Functions Conveyance Paper conveyance from the main body to FS C Type of paper Paper size Same as the main body Paper type Same as the main body Amount of curling 5 sheets b 10 mm or less M 4 16 001 D Maintenance Maintenance Same as the main body E Machine data Power source 5 1V DC 5 supplied from main body Dimensions 430 W x 445 D x 445 H mm Weight Approx 4 9 kg F Operating environment Temperature Same as the main body Humidity Same as the main body Note The information herein may be subject to change for improvement without notice Theory of Operation 1 0 May 2008 2 2 Non sort mode sub tray paper exit 4 5 6 7 FS 523 RU 507
19. lt ES 5 1 Tray Lift Motor M11 16 Theory of Operation 1 0 2008 5 OPERATIONS 5 2 2 Tray Up Down operation The Tray is moved up down by the Tray Lift Motor M11 that turns forward backward to 5 drive the front and rear belts The Lower Limit Sensor PS14 1 detects the Tray at its lower limit position The Tray Overrun Switch SW3 2 is provided for protection when the trays overruns nor ES mal position e n 5 i 7 4349t2c008na 1 Lower Limit Sensor PS14 2 Tray Overrun Switch SW3 77 5 OPERATIONS Theory of Operation 1 0 2008 5 2 3 Tray Upper Limit Position Detection Mechanism Each of the Tray moves up or down according to the amount of paper fed onto it When the Upper Limit Sensor PS15 1 turns ON for each exit of paper bring down once the Lift Tray until P515 turns OFF so that the upper surface of paper on the Tray is kept at the same level at all times while in the paper exit e Bring up again the Tray until PS15 turns ON FS 522 PU 501 OT 602 lt 6 E 5 4349t2c009na 1 Upper Limit Sensor PS15 78 Theory of Operation 1 0 2008 5 OPERATIONS A Tray Detection Tra
20. KONICA MINOLTA SERVICE MANUAL Theory of Operation bizhub 501 421 361 2009 03 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Ver 2 0 THEORY OF OPERATION TOTAL CONTENTS SAFETY AND IMPORTANT WARNING ITEMS 5 1 IMPORTANT NOTICE eccrine sneer censor S 1 DESCRIPTION ITEMS FOR DANGER WARNING AND CAUTION 5 1 SAFETY WARNINGS ck 5 2 SAFETY INFORMATION 5 13 IMPORTANT NOTICE INDICATION OF WARNING ON THE MACHINE 5 14 MEASURES TAKE IN CASE OF AN 5 16 Legal restrictions on copying C 1 Composition of the service C 2 Notation of the service manual C 3 bizhub 501 421 361 Main Body OUTEINE 1 COMPOSITION OPERATION esent nene nennen nnne nnne 11 For particulars see the contents of the main body DF 613 OUTLINE einn EE 1 COMPOSITION OPERATION For particulars see the contents of DF 613 PC 206 dcm M 1 COMPOSITION OPERATION 3 For particulars see the contents of PC 206 PC 407 conce nro EIL 1 COMPOSITION OPERATION tn hao ud o etus
21. 5 OPERATION Theory of Operation Ver 1 0 May 2008 18 Handling tray conveyance operation 1 Sort mode When the FS start signal turns ON the paper exit motor M3 rotates in the normal direction to convey paper to the main tray M3 turns OFF a specified period of time after the intermediate conveyance sensor PS3 detects the trailing edge of the last paper 2 Staple mode When the FS start signal turns ON rotates in the normal direction It stops a specified period of time after PS3 8 detects the trailing edge of paper A specified period of time after the stop rotates in the reverse direction to convey 1 paper to the han dling tray 2 After completion of the stapling operation rotates in the normal direction to exit 6 the stapled paper 5 to the main tray At this time the 1st 4 and the 2nd 7 sheets of paper of the next copy are also conveyed to the main tray simultaneously A specified period of time after PS3 detects the trailing edge of the 1st and the 2nd sheets of paper of the next copy M3 stops and rotates again in the reverse direction to convey paper to the handling tray 3 6 X Q 2 m 5 4 4521120011na 1 Paper stack 5 Paper that has been stapled 2 Handling tray 6 Paper exit to main tray 3 Intermediate conveyance sensor PS3 2nd paper of the next copy 4 1st paper of the next copy Theory of Operation 1
22. gt 2 D 5 OPERATIONS Theory of Operation 1 0 May 2008 5 OPERATIONS 51 Conveyance Section The Conveyance Section is divided into the entrance conveyance section 3 intermediate conveyance section 1 and the exit conveyance section 2 It controls to convey the paper fed from the main body stop the paper at the punching and folding positions and drive the paper for feeding into the exit section 4349t2c003na 1 Intermediate Conveyance Section 3 Entrance Conveyance Section 2 Exit Conveyance Section 72 Theory of Operation 1 0 May 2008 5 OPERATIONS 5 1 1 Entrance Conveyance section A paper 5 fed from the main body is conveyed to the intermediate conveyance section The Entrance Motor M3 3 provides the drive for conveying a paper When the is energized the Entrance Roller 1 and Registration Roller 2 are driven to rotate The Entrance Sensor PS4 4 detects a paper in the conveyance section FS 522 PU 501 OT 602 4349t2c004na z lt S 5 2 i a 1 Entrance Roller 4 Entrance sensor PS4 2 Registration Roller 5 Paper 3 Entrance motor 13 5 OPERATIONS Theory of Operation 1 0 May 2008 5 1 2 Intermediate Conveyance Section A paper conveyed from the entrance conveyance section is brought to a stop at the punch in
23. Sub Tray Main Tray 4061t2c201na PC 407 lt S 2 amp 4 DRIVE Theory of Operation 1 0 2008 4 DRIVE COMPOSITION OPERATION 4061t2c202na 1 Paper Lift Motor M5 6 Shift Gate Drive Section 2 Paper Lift Drive Section 7 Tray Lock Solenoid 801 3 Shifter Drive Section 8 Paper Feed Motor M1 4 Shift Motor M4 9 Vertical Conveyance Motor M2 5 Shift Gate Motor M3 10 Vertical Conveyance Drive Section Theory of Operation 1 0 May 2008 5 OPERATIONS 5 1 5 1 1 Paper Feed Section Paper feed mechanism 5 OPERATIONS PC 407 The Paper Feed Motor M1 drives the Pick up Roller 8 and Feed Roller 6 to take up and feed a sheet of paper into the main body Then the Vertical Conveyance Motor M2 transports the paper through the vertical convey ance section The Pick up Roller takes up sheet of paper and the Feed and Separation Rollers 5 ensure that only one sheet of paper is separated and fed into the main body When the Tray is slid in the lever 7 is pushed to lower the Pick up Roller The Upper Limit Sensor PS4 9 then detects the upper limit position when the paper lifting plate is raised The Paper Empty Sensor PS3 1 detects when paper in the Main Tray runs out lt A 2 5
24. 7 and ADU 4 hits against the registra ion roller 2 through the loop roller 12 And until the loop roller turns OFF a loop is formed 3 and a paper is corrected The loop roller is driven by the feed motor M9 and the loop of paper is controlled by the registration sensor PS1 13 equipped just before the registration roller E e ce N Ze E 12 EE 2 Ae 5 EJ 2 Y gt t 2 S ORO 10 5 T f E 6 8 7 L 50gat2c055na 1 Drum B Tray 2 paper conveyance 2 Registration roller 9 Paper feed unit 2 Loop 10 Tray 1 paper conveyance 4 ADU paper conveyance 11 Paper feed unit 1 5 Vertical conveyance section 12 Loop roller 6 By pass tray paper conveyance 13 Registration sensor PS1 7 PC LU paper conveyance 60 Theory of Operation 2 0 2009 16 REGISTRATION SECTION B Registration operation The feed motor M9 and the loop clutch CL2 are turned ON by the print start signal 1 In this way the driving force of M9 is transmitted to the loop roller and paper conveyed from each of the paper feed sections is con veyed to the registration roller When the registration sensor PS1 detects the leading edge of paper and turns ON 3 CL2 tur
25. Polygon mirror Index board INDEXB 50gat2c003na 20 Theory of Operation Ver 2 0 Mar 2009 7 WRITE SECTION 7 2 Operation 7 2 1 Laser beam path 50gat2c041na 1 Dust proof glass 6 Polygon mirror 2 CY2lens 1 CY1 lens 3 Drum B Collimator lens 4 Index board INDEXB 9 Laser diode 5 f lens 10 Index mirror 7 2 2 Write control Image data that has been processed is converted into laser beam on the laser drive board LDB to be irradiated on the drum 1 laser diode emits 2 beams and 2 lines are written per 1 scan To prevent the mis centering of a written image an INDEX signal detected by the index board INDEXB is used to decide the reference position for writing in the drum shaft direction main scan direction to control the starting position of the laser irradiation onto the drum 7 2 3 Image stabilization control The following items are provided for the image stabilization control For details See 21 IMAGE STABILIZATION CONTROL PC Maximum power control APC Auto power control Dot diameter adjustment control 21 bizhub 501 421 361 lt S 2 x 7 WRITE SECTION Theory of Operation Ver 2 0 Mar 2009 7 2 4 Image processing Frequency conversion 8 The following items are provided for the
26. 1 staple condition 4 Staple empty sensors Rr Fr PS20 PS23 2 Stapler ready sensors Rr Fr PS21 PS24 5 Stapler cartridge 3 Staple set condition 6 Staples B Empty detection control When the remaining staples get reduced to about 20 the staple empty sensors Rr PS20 and Fr 523 turn ON with a message displayed on the main body LCD e the middle of the stapling operation when an empty condition is detected the empty display is shown after completion of a series of operations C Staple ready detection control e After replacing installing a staple cartridge the stapler motors Rr M16 and Fr 17 drive until the stapler ready sensors Rr PS21 and Fr PS24 turn ON and then send staples to the stapling position 32 KONICA MINOLTA SERVICE MANUAL 50 507 bizhub 501 421 361 2008 05 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Ver 1 0 Revision history After publication of this service manual the parts and mechanism may be subject to change for improvement of their performance Therefore the descriptions given in this service manual may not coincide with the actual machine When any change has been made to the descriptions in the service manual a revised version will be issued with a revision mark added as required Revision mark To indicate clearly a section revised is shown at the left margin of the revised section The number inside represents the num
27. The Center for Devices and Radiological Health CDRH of the U S Food and Drug Admin istration implemented regulations for laser products manufactured since August 1 1976 Compliance is mandatory for products marketed in the United States This copier is certified as Class 1 laser product under the U S Department of Health and Human Services DHHS Radiation Performance Standard according to the Radiation Control for Health and Safety Act of 1968 Since radiation emit ted inside this copier is completely confined within protective housings and external covers the laser beam cannot escape during any phase of normal user operation 5 13 SAFETY INFORMATION INDICATION OF WARNING ON THE MACHINE Caution labels shown below are attached in some areas on in the machine When accessing these areas for maintenance repair or adjustment special care should be taken to avoid burns and electric shock A CAUTION PRECAUCI N iTemperatura alta A CUIDADO Alta temperatura The fixing unit is very hot A ATTENTION To avoid getting burned DO TOUCH HIGH VOLTAGE gt PET lt A CAUTION This area generates NCAUTION high voltage If A VORSICHT touched electrical A ATTENTION shock may occur DO A PRECAUCI N ATTENZIONE ACUIDADO NOT TOUCH A CAUTION The area opened by the conveyance le
28. The driving force from the fusing motor M11 is transmitted through the coupling gear 2 to rotate the con veyance roller 5 e Paper conveyed from the paper exit roller 1 on the main body side is conveyed by the conveyance roller to the entrance roller 3 on the FS side e is detected by the path sensor PS2 4 lt t 16fat2c003na 1 Paper exit roller main body 4 Path sensor PS2 2 Coupling gear 5 gt Conveyance roller 8 Entrance roller FS 523 70 Theory of Operation 1 0 May 2008 5 OPERATION 5 2 FS conveyance section The conveyance section is made up of the entrance conveyance mechanism 6 that conducts the convey ance drive the main route conveyance mechanism 2 the sub tray conveyance mechanism 5 the han dling paper exit conveyance mechanism 3 the gate mechanism 1 that switches the paper path and the roller separation mechanism 4 that conducts the pressure release of the roller FS 523 RU 507 4 5 6 RA 1 1 See Fr SS lt A E 5 w 4 5 IN 8 3 2 452112 004 1 Gate mechanism 4 Roller separation mechanism 2 Main route conveyance mechanism 5 Sub tray conveyance mechanism 3 Main tray handling tray conveyance mecha 6 En
29. 4 3 4061t2c203na 1 Paper Empty Sensor 53 6 Feed Roller 2 Actuator 7 Lever 3 Pick up Roller Feed Position 8 Pick up Roller 4 Pick up Roller Home Position 9 Upper limit Sensor PS4 5 Separation Roller 5 OPERATIONS Theory of Operation Ver 1 0 May 2008 5 2 Tray Section 5 2 1 Up down mechanism The Main Tray 3 is suspended by the cables 1 at the front and rear Asthe Paper Lift Motor M5 5 turns forward or backward the cables are wound to raise or lower the Main Tray The Lower Limit Sensor PS13 2 detects the Main Tray at its lower limit position PC 407 lt S 2 a o 4061t2c204na 1 Cables 4 Sub Tray 2 Lower Limit Sensor PS13 5 Paper Lift Motor M5 3 Main Tray Theory of Operation 1 0 May 2008 5 OPERATIONS 5 2 2 Shift Gate drive mechanism Ifthe Main Tray runs out of paper while the Sub Tray is loaded with paper the paper stack on the Sub Tray is moved to the Main Tray 2 Atthis time the Shift Gate Motor M3 4 is energized to retract the front and rear Shift Gates 1 PC 407 4061t2c205na 1 Shift Gate move to outside 3 Shifter 2 Shifter move 4 Shift Gate Motor M3 S 2 x 5 OPERATIONS Theory of Operation 1 0 May 2008 5 2 3 Shifter drive mechanism After compl
30. ES 5 38 12 TONER SUPPLY SECTION Theory of Operation Ver 2 0 Mar 2009 12 3 4 Toner conveyance control A Purpose To convey toner in the toner bottle to the toner hopper B Operation The exit 1 of the toner bottle is normally closed However by setting the bottle to the toner supply section the accordion section is pushed and compressed to let the exit open A bottle set to the toner supply section rotates when the toner bottle motor M10 turns ON When the toner bottle rotates toner is conveyed to the exit of the bottle along the spiral groove engraved on the surface of the toner bottle and flows out into the toner hop per i 2 E 50gat2e002na Exit 2 Rotation Theory of Operation 2 0 Mar 2009 13 CLEANING TONER RECYCLE SECTION 13 1 Composition 13 CLEANING TONER RECYCLE SECTION Collection screw Scraper Collection paddle bizhub 501 421 361 Cleaning blade 7 N N HO Drum Neutralizing sheet 50gat2c013nb z lt S 2 E a x 39 13 CLEANING TONER RECYCLE SECTION Theory of Operation Ver 2 0 Mar 2009 13 2 Drive bizhub 501 421 361 z E gt x 50gat2c014na 1 Drum motor M1 B Developer
31. When a page revised in Ver 2 0 has not been changed in Ver 3 0 The revision marks for Ver 2 0 are left as they are 2008 05 1 0 Issue of the first edition Date Service manual Ver Revision mark Descriptions of revision Theory of Operation 1 0 2008 CONTENTS CONTENTS PC 407 S OUTLINE 1 PRODUCT ERR ER ER dE 1 2 PAPER PATH 0ccccceeccceeccecuececcuececeueccauececeuececuueeecuucecaueeecsuecesaueeeaeeesaueeesaueeesaueeens 2 COMPOSITION OPERATION 3 COMPOSITION M 3 4 lice M 4 5 OPERATIONS isis niet er eve ertet ese ee EE LEER ec eae eee d 5 51 Paper Feed Section eciam tact atleast en 5 5 1 1 Paper feed mechanism 5 5 2 Tay 6 5 2 1 Up down 6 5 2 2 Shift Gate drive mechanism 5 2 3 Shifter drive z lt S 5 2 i a z 5 2 4 Paper empty detection 9 5 Theory of Operation Ver 1 0 2008 PC 407 OUTLINE E 4 Q gt 2
32. 4 2 Saddle Stitching Section 4511t2c003na 1 Conveyance Roller Up 3 Exit Open Close Motor M9 2 Conveyance Motor M8 Theory of Operation 1 0 2008 5 OPERATIONS 5 OPERATIONS 5 1 Paper Conveyance mechanism Paper is conveyed by the Exit Rollers of FS and Conveyance Roller Up 5 Lw 2 The Conveyance Motor M8 3 provides the drive for the Conveyance Roller Lw 2 If a center stapling operation is made with a bundle papers stored in the Stacker a bundle papers is conveyed to the center stapling position through a pulse control of the Exit Roller of FS A bundle papers is thereafter fed out by the Conveyance Roller Up and Lw SD 507 5 COMPOSITION OPERATION 4511t2c004na 1 Exit Rollers of FS 4 Exit Open Close Motor M9 2 Conveyance Roller Lw 5 Conveyance Roller Up 3 Conveyance Motor M8 5 OPERATIONS Theory of Operation Ver 1 0 May 2008 5 2 Conveyance roller pressure release 5 2 1 Pressure release mechanism The Conveyance Roller Up 1 is moved away from or pressed up against the Conveyance Roller Lw 2 when the paper is fed out as a bundle of papers The Saddle Exit Home Sensor PS18 3 is used to control the pressure release position of the Conveyance Roller Up SD 507 4511t2c005na z e q 2 So a 1 Conveyanc
33. When the FS start signal turns ON the stapler moving motor turns ON and it stops at the stapling position e After completion of the job the moment the paper exit motor turns OFF it returns to the home posi tion 90 Theory of Operation 1 0 May 2008 5 5 5 3 Stapling mechanism e The stapling operation is made by the stapler When the stapler motors Rr M16 and Fr M17 1 are driven the clinch arm 8 goes down to drive the staple blade 2 and hit in a staple FS 523 RU 507 lt I a 2 E i a 452112 024 1 Stapler motors Rr Fr M16 M17 B Clinch arm 2 Staple blade A Control e A specified period of time after the intermediate conveyance sensor PS3 detects the trailing edge of the last paper of the copy the stapler motors Rr M16 and Fr M17 turn ON After completion of the stapling operation the motors stop 37 5 Theory of Operation 1 0 2008 5 5 4 Staple sheet empty control A Detection mechanism The detection of the staple sheet 6 is made by the staple empty sensors Rr PS20 and Fr PS23 4 The detection of the staple ready is made by the staple ready sensors Rr PS21 and Fr PS24 2 T x N 5 4 2 gt 3 1 452112 025
34. 90 22 1 Image processing in the scanner SOCHON cesse creiss cicer rar hnc PYRE 90 22 1 1 Shading COTOcUoliu uices eaque XXE RIGS AS mau PERETE RC 91 OT CORNO aus a doeet up a ane Decl Cay ona ert i ot MO diede 92 22 13 PRCA hts oh kara RR Pre 93 22 1 4 Brightness density ee 93 Paley ue 5 0 Tr 94 22 105 Scanner gamme CORGONOE iaces na cux CR hu We KR bn c paw RR CR RR RO m 96 22 1 7 Halitone processing error ise rss kae RR FRE ERE ERG RE Xd 96 22 1 5 ccd ki nes Xa NR DELS Ce eee Rae de eT Red Eee REED 96 22 1 9 Storage Of image data e eser mee aad WERE Ke EEE led dae OE ERR 96 22 2 Image processing in the Write er eee eae ERED ES EEE 97 29 OTHERS eC Terr 98 EE ui 1 crane eA KARA Deeks buts Ahad deena awe 98 RI ERU ADEE OE EN di ai inc Red aue 98 Pole Opaali vui Eau E P p eria weed gw dg dei 99 20 2 Oounter COMMON 2 usare irt RR ARR Rd TEUER 102 bizhub 501 421 361 lt p S 2 E B x bizhub 501 421 361 OUTLINE z
35. When the vertical conveyance sensor PS2 detects the leading edge of paper and turns ON the pick up sole noid BP SD1 turns ON a specified period of time after that and turns OFF a specified period of time after the lift sensor PS23 turns OFF In this way the cam of the lift drive shaft presses down the lift tray to be placed in the stand by condition 54 Theory of Operation Ver 2 0 2009 15 BYPASS SECTION 15 3 2 Paper size detection control A Size detection in the main scan direction According to the position of the guide plate connected to the paper size VR BP VR1 the paper size is detected in the main scan direction B Size detection in the sub scan direction The paper size is detected by the combination of the ON OFF of the paper size sensors BP1 PS19 BP2 PS20 PS21 and 4 PS22 bizhub 501 421 361 C Paper size detection table Paper size Paper size sensors Paper size VR BP VR1 BP1 BP2 BP3 BP4 detection width mm PS19 PS20 PS21 PS22 A6S OFF OFF OFF OFF 80 or more less than 115 65 115 or more 144 or less AS 196 or more 225 or less BS 242 or more 268 or less 5 55 OFF OFF OFF 133 or more 164 or less 55 169 or more less than 196 ES 45 196 more 225 or less 82x 11 225 or more less than 288 8 4 288 or more 330 or less Foolscap ON ON OFF OFF 188 or more 2
36. 0 Signal output by CPF While in the selection 5 signal 1 modes of the CPF mode 8 10 PGND Ground 3 1 Output signals by paper sizes Size Paper size signal 3 2 1 0 L L H L B4 L L L L A4 L H H L A4S H L H L 5 L H L L B5S H L L L Special L H L H 11x17 L L H 8 5x14 L L L 8 5 x 11 L H H H 81 x 115 H L H H 5 x 8 L L H L 8 x 13 8 x 184 x 18 13 H L L H 104 Theory of Operation Ver 2 0 2009 23 OTHERS 23 3 Parts that operate when the power switch is turned ON e 23 3 1 Parts that operate when the main power switch SW1 is turned ON A Composition a l des N pug ric DCPS 5c section t HD isc So eee lt p 6 50gat2c032nb e Operation Turning ON the main power switch SW1 supplies an AC power source to DC power supply DCPS E In this way each power source of 12V DC and 5V DC is supplied to the overall control board OACB AN OACB supplies 12V DC and 5V DC to the operation board 1 PWB1 to be placed in the condition of standing by for the turn ON of the power switch SW2 When equipped optionally with the FAX kit 502 and the hard disk HD 509 each power source of 12V DC and 5V DC FK 502 and 5V DC HD509 is supplied through OACB 105 23 OTHERS Theory of Operation Ver 2 0 Mar 2009 23 3 2
37. 4 of the tray is provided with the paper remaining display window 3 and the paper remaining in the tray can be checked through this window The inside of the paper remaining display window is provided with the display lever 2 which is interlocked with the up down position of the lift plate 1 The display lever is red in color and it is indicated that the more the red portion that can be seen through the paper remaining display window the less paper there remains in the tray bizhub 501 421 361 p 2 E a 2 50gat2c053nb 1 Lift plate 8 Paper remaining display window 2 Display lever 4 Front cover 57 15 BYPASS SECTION Theory of Operation Ver 2 0 Mar 2009 15 BYPASS SECTION 15 1 Composition bizhub 501 421 361 Pick up solenoid BP SD1 Feed roller Separation roller Lift plate 50gat2c019na ES 5 22 Theory of Operation Ver 2 0 Mar 2009 15 BYPASS SECTION 15 2 Drive 15 2 1 Paper feed drive bizhub 501 421 361 50gat2c018na 1 Feed clutch BP CL6 3 Separation roller 2 Feed roller 4 Feed motor 9 lt p S 2 E B a x 15 2 2 Tray lift drive 50gat2c020na 1 4 Feed clutch BP CL6 2
38. 91 to 210g m Envelope Special 20 sheets Label paper Letterhead Tray 1 Job Tray 100 sheets Plain Paper 56 to 90 g m C Maintenance Maintenance None D Machine specifi cations Power Requirements 5V DC 5 supplied from the main body Power Consumption 0 2 W or less Dimensions 450 W x 443 D x 75 mm H Weight Approx 1 7 kg E Operating environment Temperature Same as the main body Humidity Same as the main body NOTE The information herein may be subject to change for improvement without notice JS 502 OUTLINE 2 PAPER PATH 2 PAPER PATH Theory of Operation Ver 1 0 May 2008 4347t1c001na 1 Conveyance from the main body Theory of Operation 1 0 2008 3 COMPOSITION B COMPOSITION OPERATION 3 COMPOSITION JS 502 Job Separator section Switchback Unit section z lt S 5 2 i a 434712 001 JS 502 E 5 4 OPERATIONS Theory of Operation 1 0 2008 4 OPERATIONS 4 1 Job Tray Conveyance Exit The Switchback Unit functions to convey paper through and feed it out from the Job Tray The paper sensor section of the Job Tray is mounted to the Switchback Unit thereby dete
39. Before conducting an inspection read all relevant docu mentation service manual technical notices etc and proceed with the inspection following the prescribed pro cedure in safety clothes using only the prescribed tools Do not make any adjustment not described in the docu 68 mentation 070 If the prescribed procedure or tool is not used the prod uct may break and a risk of injury or fire exists Before conducting an inspection be sure to disconnect the power plugs from the product and options When the power plug is inserted in the wall outlet some amp units are still powered even if the POWER switch is turned OFF A risk of electric shock exists The area around the fixing unit is hot You may get burnt Work Performed with the Product Powered On NWARNING Take every care when making adjustments or performing an operation check with the product powered If you make adjustments or perform an operation check with the external cover detached you may touch live or high voltage parts or you may be caught in moving gears or the timing belt leading to a risk of injury Take every care when servicing with the external cover detached High voltage exists around the drum unit A risk of elec tric shock exists 5 8 SAFETY AND IMPORTANT WARNING ITEMS Safety Checkpoints WARNING When taking a report of problems from a user check each part
40. Control 1 Sub tray paper exit Aspecified period of time after the fusing exit sensor PS3 of the main body turns ON and detects the lead ing edge of paper the bypass gate solenoid SD1 turns ON and the main gate solenoid SD2 also turns ON to switch over the conveyance path to the sub tray route A specified period of time after the sub tray exit sensor PS1 turns ON with the trailing edge of paper detected 501 and 502 turn OFF 14 Theory of Operation 1 0 2008 5 5 2 3 Sub tray conveyance mechanism The paper conveyance to the sub tray is made while in the non sort mode The conveyance motor Up M4 5 drives the conveyance roller Up 1 and the sub tray paper exit roller 2 to convey 3 paper 4 to the sub tray 4521t2c008na 1 Conveyance roller Up 4 Paper 2 Sub tray paper exit roller 5 Conveyance motor Up 8 gt Paper conveyance direction 1 2 Control Sub tray paper exit with no punch A specified period of time after the FS start signal turns ON the conveyance motor Up M4 turns ON And it turns OFF a specified period of time after the sub tray exit sensor PS1 turns OFF with the trailing edge of paper detected Sub tray paper exit punch mode When the FS start signal turns ON M4 turns ON However it stops while in the punch operation M4 turns ON again after completion of the punch and it turns OFF a
41. Foolscap Metric B4 A4 45 B5 55 11 x 17 84x 11 8 5 x 115 Foolscap 8K 1 16K 1 Bypass feed Inch 11 x 17 8 2 x 14 84x 11 84x 115 5 x 815 A4 Custom paper Max 297 0 x 431 8mm Min 92 0 x 148 0 mm Metric B4 A4 45 B5 55 2 55 B6S 11 x 17 2 8 x 11 8 2 x 115 Foolscap 8K 1 16K 1 16KS 1 Custom paper Max 297 0 x 431 8mm Min 92 0 x 148 0 mm ADU Inch 11x17 82x 14 8 4 x 11 x 115 512 x 8125 A4 45 Foolscap Metric 4 45 B58 2 55 11 x 17 82x 11 81 x 118 Foolscap 8K 1 16K 1 16KS 1 Magnification Fixed magnification Inch x 1 000 x 1 214 x 1 294 x 1 545 x 2 000 x 0 500 x 0 647 x 0 772 x 0 785 Metric x 1 000 x 1 154 x 1 224 x 1 414 x 2 000 0 500 x 0 707 x 0 816 x 0 866 Original Sheet book solid object Max original size or 11x17 x 5 Copy size Trays 1 2 Inch 11 x 17 82x 14 8 2 x 11 8 2 x 115 5 x 8 58 p E a Special magnifica x 0 930 tion setting Preset zoom setting 3 types Zoom magnification x 0 25 to x 4 00 at the step of 0 1 Vertical magnifica x 0 25 to x 4 00 at the step of 0 1 tion Horizontal magnifi x 0 25 to x 4 00 at the step of 0 1 cation Warm up time 60 seconds or less bizhub 501 30 seconds or less bizhub 421 361 First copy out time 3 2 seconds or less bizhub 501 3 6 seconds or less bizhub 421 361
42. Large capacity unit LU 203 Main body 21 Dehumidifier heater 2 mage controller 207 22 Relay unit RU 507 Upgrade kit UK 202 23 Swedish punch kit G 3 Local Interface Kit EK 703 24 Finisher FS 523 Hard disk HD 509 25 Job separator JS 502 Security kit SC 505 26 Output tray kit OT 504 Stamp unit SP 501 27 Output tray OT 602 Spare TX marker stamp 2 28 Finisher FS 522 Authentication unit Biometric type AU 101 29 Mail bin kit MT 502 Authentication unit IC card type AU 201 30 Saddle stitcher SD 507 Working table WT 502 31 Folding unit included in SD 507 Key counter kit 4 1 32 Punch unit PU 501 Key counter 1 33 FAX kit FK 502 Key counter mount kit 1 34 Mount kit 708 Dehumidifier heater 1C 35 FAX multi line ML 503 Paper feed cabinet PC 407 A 36 i option LK 101 102 103 4 Paper feed cabinet PC 206 See 6 4 Option counter in Field Service bizhub 501 421 361 main body for details Dehumidifier heater is set up as service part Swedish punch kit G is for Europe only Upgrade kit UK 202 is needed for using i option Theory of Operation Ver 2 0 2009 1 SYSTEM CONFIGURATION B Configuration for optional device connection 8 Note N Any combination other than those listed below is not available 3 No Combinations for paper feeding Combinations for finishing Remarks 1 506 206 407 1
43. Roller forms a loop in the paper The Registration Clutch CL1 is then energized after a given period of time after the PS4 is activated by the leading edge of the paper this causes the Registration Roller to start turn ing pl 1 4512t2c003na 1 Entrance Sensor 54 2 Registration Roller 30 Theory of Operation 1 0 May 2008 6 PU 501 6 2 2 Punch mechanism After a given period of time after the Entrance Sensor 54 3 has detected the trailing edge of the paper the Conveyance Motor M2 of FS is deenergized and a punch hole oper ation is made at the trailing edge portion in each sheet of paper Punch holes are made when the slide cam 1 makes a reciprocating motion as driven by the drive cam which is rotated by the Punch Motor M1 2 provided in the punch unit FS 522 PU 501 OT 602 4 1 Slide Cam 3 Entrance Sensor PS4 2 Punch Motor M1 4 Puncher 451212 004 lt S 5 2 i a 6 2 3 Punch status detection The punch status is detected by using the Punch Position Sensor 1 PS2 1 2 PS3 2 and the Encoder Sensor PS4 3 451212 005 1 Punch Position Sensor 1 PS2 3 Encoder Sensor PS4 2 Punch Position Sensor 2 PS3 37 6 PU 501 Theory of Operation Ver 1 0 May 2008 6 2 4 Punch Scraps Box full detection mechanism
44. Size 1 Plain Paper 1 Sided Mode FAX Mode 35 to 128 g m 9 25 to 34 Ibs Plain Paper 2 Sided Mode 50 to 128 g m 13 25 to 34 Ibs Inch area A4S A4 B4 B5S 5 11 x 17 82x 14 81 x 115 81 2 11 812 x 5125 81 2 x 51 2 Metric area 45 4 A5S 5 B4 B5S 5 B6S 11 x 17 8 2 x 118 8 x 11 Capacity 80 sheets 80 g m and load height of 11 mm or less 1 For the Combined Original Detection Mode Refer to the Mixed Original Detection Enabled Size Combination Table eo a DF 613 OUTLINE 1 PRODUCT SPECIFICATIONS Theory of Operation Ver 1 0 May 2008 D Paper feed prohibited originals e f fed trouble occurrence will be highly possible Type of Original Possible Trouble Original that is stapled or clipped P tothe originial or drive failure Book original Feed failure damage to the original or drive failure Original weighing less than or 1289 Feed failure or more Torn original Feed failure damaged sheet Highly curled original 15 mm or more Original misfeed due to dog ear or skew OHP transparencies Feed failure Label Sheet Feed failure Offset master Feed failure Sheets clipped or notched Damaged sheet Sheets patched Patched part folded or torn sheet E Paper feed not guaranteed originals If fed paper feed will be possible to some extent but trouble occurrence will be possible Typ
45. TH2 And the starting temperature of the preliminary rotation varies for bizhub 501 and 421 361 C Rotation control while in the print The fusing motor M1 1 that drives the fusing roller and the fusing pressure roller is turned ON by the print start signal And it turns OFF a specified period of time after the fusing exit sensor PS3 detects the trailing edge of the last paper While in the print with paper stopping at the registration section the fusing roller and the fusing pressure roller run idle In this way the fusing temperature gets near to the set temperature for each type of paper selected in the paper setting of the setup menu 18 3 2 Web drive control The fusing web is driven by the web solenoid SD4 The number of ON times is controlled by SD4 according to the web count of the fixed part counter so that the web shift amount per print becomes constant Theory of Operation 2 0 Mar 2009 18 FUSING SECTION 18 3 3 Fusing temperature control The fusing roller is heated by the fusing heater lamps 1 L2 and 2 L3 The fusing pressure roller is heated by the thermal conduction from the fusing roller The surface temperature of the fusing roller is detected by the thermistors 1 TH1 2 and 2 TH2 1 TH1 and TH2 monitor the surface temperature of the fusing roller at specified intervals to control the ON OFF of L2 and L3 through the AC drive circuit in the DC power supply DCPS so that a prescribed temperatur
46. Toner bottle motor M10 Toner hopper z lt a S 2 a Toner bottle 50gat2c011na 35 TONER SUPPLY SECTION Theory of Operation Ver 2 0 Mar 2009 12 2 Drive bizhub 501 421 361 z E Q gt D x 50gat2e003na 1 Toner agitator plate 4 Toner supply motor 2 Toner conveyance screw 5 Toner bottle motor M10 3 Toner solenoid 505 A 36 Theory of Operation Ver 2 0 2009 12 TONER SUPPLY SECTION 12 3 Operation 12 3 1 Toner level detection control A Toner level detection control Toner remaining in the toner hopper is detected by the toner remaining sensor PZS When toner remaining in the hopper is found below the prescribed amount a toner supply signal is issued to the printer control board N PRCB This signal is transmitted to the operation section through the overall control board OACB Accord ingly OB displays a message in LCD on the LCD board LCDB bizhub 501 421 361 B Detection timing times while in printing 12 3 2 Toner supply control to the toner hopper A Operation When the toner remaining sensor PZS detects the reduced level of remaining toner the toner bottle motor M10 turns ON and rotates the toner bottle to supply toner in the toner bottle to the toner hopper When PZS detects the toner level being restor
47. 0 2008 CONTENTS CONTENTS JS 502 5 OUTLINE 1 PRODUCT SPECIFICATIONS 2 PAPER PATH m EEES COMPOSITION OPERATION 3 COMPOSITION 4 OPERATIONS 41 Job Tray Conveyance Exit reine 4 z lt S 5 2 i a 5 Theory of Operation Ver 1 0 2008 JS 502 OUTLINE z E Q gt 2 x Blank Page Theory of Operation 1 0 May 2008 1 PRODUCT SPECIFICATIONS B OUTLINE 1 PRODUCT SPECIFICATIONS N 2 Name Job Separator Type Expansion tray Installation Installed in the main body Document Alignment Center B Paper type Exit Tray Size Type Inch 11x17 8 x 14 8 5 x 11 8 x 115 8125 4 A4S Foolscap Metric B4 A4 A4S 5 B5S 2 A5S 65 11 x 17 8 x 11 8 x 115 Foolscap 8K 1 16K 1 16KS 1 Inch 11x 17 8 2 x 14 8 5 x 11 8 x 115 8125 45 Foolscap Metric 4 A4S 5 55 2 55 65 11 x 17 8 5 x 11 8 x 115 Foolscap 8K 1 16K 1 16KS 1 1 Only supported in Taiwan 2 Supported in other than inch area and Taiwan Capacity 250 sheets Plain Paper 56 to 90 g m OHP transparencies Tray 2 Main Body Tray Thick paper
48. 1 Only supported in Taiwan C Maintenance Maintenance Same as the main body D Machine specifications Power Requirements 24V DC 10 95 5V DC 5 supplied from the main body Power Consumption 15 Wor less Dimensions 570 mm W x 577 mm D x 300 mm H Weight Approx 26 0 kg E Operating environment Temperature Same as the main body Humidity Same as the main body NOTE The information herein may be subject to change for improvement without notice 206 OUTLINE 2 PAPER PATH 2 PAPER PATH Theory of Operation Ver 1 0 May 2008 4 Ta ON LO OQ gt o Ld 1 2 3 4061t1c001na 1 Convey to the main body 2 Vertical conveyance through PC 3 Tray 4 paper feed 4 Tray 3 paper feed Theory of Operation 1 0 May 2008 B COMPOSITION OPERATION 3 COMPOSITION 3 COMPOSITION Tray 3 Tray 4 Boo Feed Section 4061t2c001na PC 206 z lt S 2 a 4 DRIVE Theory of Operation 1 0 May 2008 4 DRIVE lt 5 4061t2c002na E 8 1 Vertical Conveyance Motor 3 M120 3 Vertical Conveyance Motor 4 M121 8 2 Paper Feed Motor 4
49. 3 For particulars see the contents of PC 407 LU 203 DUTEINE Sod d E MM og EM 1 COMPOSITION OPERATION ds b re dva 3 For particulars see the contents of LU 203 FS 522 PU 501 OT 602 OUT INE COMPOSITION OPERATION For particulars see the contents of FS 522 PU 501 OT 602 FS 523 RU 507 te Bade COMPOSITION OPERATION ree tete For particulars see the contents of FS 523 RU 507 SD 507 OUTLINE e ORE EBD S Up ede ce Dee COMPOSITION OPERATION For particulars see the contents of SD 507 MT 502 OUTLINE COMPOSITION OPERATIQN rre tn eet Fere ire rere Ee For particulars see the contents of MT 502 JS 502 OUTEINES dE bere ce tum cte od coc re ds COMPOSITION OPERATION esee nnenrenrennenn nennen eterne For particulars see the contents of JS 502 SAFETY AND IMPORTANT WARNING ITEMS SAFETY AND IMPORTANT WARNING ITEMS Read carefully the Safety and Important Warning Items described below to understand them before doing service work IMPORTANT NOTICE Because of possible hazards to an inexperienced person servicing this product as well as the risk of damage to the product Konica Minolta Business Technologies INC hereafter call
50. 5 OPERATIONS 5 4 Stapling 5 4 1 Stapling mechanism Stapling is performed by the Stapling Unit When the Stapling Motor 1 is rotated the Clinch Arm 3 lowers The Stapler 2 thereafter goes up to drive a staple in the paper Five different types of stapling are available parallel front one point parallel rear one point slant front one point slant rear one point and parallel two points FS 522 PU 501 OT 602 z lt S 5 2 i a 4349t2c018na 1 Stapling Motor 3 Clinch Arm 2 Stapler 27 5 OPERATIONS Theory of Operation 1 0 May 2008 5 4 2 Stapling Unit moving mechanism The Stapling Unit is moved by the Stapler Movement Motor M7 3 7 drives the belt so that the Stapling Unit is moved to the corresponding stapling position The stapling stop position is controlled by the period of time during which the M7 is kept energized as counted from the time when the Stapler Home Sensor PS10 4 has been activated nus Q af 2 pe q A lt 5 2 434912 019 8 e 1 Home 4 Stapler Home Sensor PS10 2 Staple change position 5 Stapling Unit 3 Stapler Movement Motor M7 5 4 3 Stapling Position Asingle stapling unit is moved to perform 2 point stapling 3 2 1 aol L 1 Parallel two points 3 Paral
51. Detect Boards 3 and 4 PSDB3 PSDB49 7 that is driven by the Lever interlocked with the Circular Plate The detection of the length of paper in the main scan direction is made by detecting a notch on the Lever of the Main Scan Direction Restriction Plate by the Paper Size Sensors Rr3 Fr3 PS118 PS119 2 or Rr4 Fr4 PS127 PS128 3 The paper size is determined by the combination of the 4 Paper Size Detection Switches and the 2 Paper Size Sensors The setting of the Tray is detected by the Tray Set Sensors 3 4 PS112 PS121 6 4061t2c006na 1 2 3 4 5 Circular Plate Paper Size Sensor Rr3 Rr4 PS118 PS127 Paper Size Sensor Fr3 Fr4 PS119 PS128 Paper Lift Motor 3 4 M124 M125 Main scan direction size detection 8 9 Tray Set Sensor 3 4 PS112 PS121 Paper Size Detect Board 3 4 PSDB3 PSDB4 Paper Size Detection Switch Sub scan direction size detection PC 206 COMPOSITION OPERATION 5 OPERATIONS Theory of Operation Ver 1 0 May 2008 5 2 2 Paper level indicator mechanism All Trays are universal paper size tray There is a window in the front cover of the Tray that serves as the Paper Level Indicator 3 showing the amount of paper that is still available for use Ared lever 1 is attached to the bottom plate 5 of the Tray and as the lifting plate 4 raises the red lever becomes visible in the window The more the red lever
52. LU 203 3 4 5 161 lt p eg 2 E a 16aat2c003na 1 Pick up solenoid 50151 4 Paper feed gear 3 2 Claw 5 Paper feed gear B gt Paper feed coupling gear B 6 Paper feed roller unit 4 PAPER FEED SECTION Theory of Operation Ver 1 0 May 2008 2 Paper feed roller unit up down mechanism On the inside of the paper feed gear 3 2 the cam 3 is provided While in the standby the cam pushes the lift up shaft 1 The lift up shaft is in contact with the paper feed roller unit 5 and it lifts up the paper feed roller unit while it is being pushed by the cam When the paper feed gear 3 rotates the pressure by the cam on the lift up shaft is released and the paper feed roller unit goes down In this way the paper feed roller unit goes up and down while the paper feed gear 3 is rotating a full turn to pick up paper S Ef 2 3 4 5 amp M d E 7 e 16aat2c004na 1 Lift up shaft 4 Paper feed gear 2 Paper feed gear 3 5 Paper feed roller unit 3 B Paper feed operation A specified period of time after a start signal from the main body turns ON the feed motor M150 the feed clutch CL151 and the pick up solenoid SD151 turn ON to pick up paper from the tray SD151 turns OFF a specified period of time after that However it turns ON and OFF
53. Length of applicable paper in the sub scan direction 1 sheet self contained double sided print 4 364 mm to Ledger 431 8 mm 2 sheets self contained double sided print Letter 215 9 mm to B4 364 mm 3 sheets self contained double sided print 5 182 mm to Letter 215 9 mm bizhub 501 421 361 1 sheet self contained double sided print operation Note A figure in the illustration shown in the square represents the page number 7 With the 1st sheet of paper fed the image of the Q 2nd page the back side of the 1st sheet of paper when the original is double sided is printed lt a z E a e 50gat2c058na 2 The 1st sheet of paper is conveyed to the paper gt reverse exit section and then conveyed to ADU after being turned over 50gat2c059na 65 bizhub 501 421 361 ES 5 17 ADU SECTION 2 50gat2c060na 2 50gat2c061na 50gat2c062na 66 Theory of Operation Ver 2 0 Mar 2009 The 1st sheet of paper in ADU is conveyed with out interruption 4 The 1st sheet of paper is fed again and the image of the 1st page the front side of the 1st sheet of paper when the original is d
54. M123 4 Paper Feed Motor 3 M122 Theory of Operation 1 0 May 2008 5 OPERATIONS 5 1 5 1 1 Paper feed mechanism The Paper Feed Motor M122 M123 drives the Pick up Roller 8 and Feed Roller 6 to take up and feed a sheet of paper into the main body Then the Vertical Conveyance Motor 3 4 M120 M121 transports the paper through the vertical conveyance section The Pick up Roller takes up sheet of paper and the Feed Roller and Separation Roller 5 ensure that only one sheet of paper is separated and fed into the main body When the Tray is slid in the lever 7 is pushed to lower the Pick up Roller The Upper Limit Sensor 3 4 PS114 PS123 9 then detects the upper limit position when the paper lifting plate is raised The Paper Empty Sensor 3 4 PS115 PS124 1 detects when paper in the Tray runs out Paper Feed Section 5 OPERATIONS 4061t2c003na 1 2 3 4 5 Paper Empty Sensor 3 4 PS115 PS124 Actuator Pick up Roller Feed Position Pick up Roller Home Position Separation Roller 6 7 8 9 Feed Roller Lever Pick up Roller Upper Limit Sensor 3 4 PS114 PS123 PC 206 8 a 206 lt 6 E 5 5 5 OPERATIONS Theory of Operation 1 0 May 2008 5 1 2 Paper lifting motion When the Tray is slid into
55. M8 turn OFF to stop the up drive operation Theory of Operation Ver 2 0 Mar 2009 14 3 2 Paper size detection control A Paper size detection mechanism 1 Size detection in the main scan direction The side guide plate 12 is provided with the size detection actuator 7 And interlocked with the side guide plate this actuator sticks out to the rear side of the tray The size detection actuator is provided with the 2 lines of notches which are detected by the paper size sensors Fr1 PS11 11 and Rr1 PS10 10 or the paper Size sensors Fr2 PS17 3 and Rr2 PS16 4 equipped individually on the rear of the main body The notches of the size detection actuator vary for each paper size and the paper size is detected in the main scan direction by the combination of the ON OFF of PS10 and PS11 or PS16 and 17 2 Size detection in the sub scan direction The rear guide plate 13 is provided with the size detection actuator 1 which rotates in interlock with the rear guide plate The size detection actuator is provided with a projection 2 When this projection comes at the rear side of the tray it pushes the detection levers 9 and 6 of the paper size boards 1 PSB 1 8 and 2 PSB 2 6 equipped on the back of the main body 4 detection levers are equipped on each of the paper size board and they individually turn ON and OFF the paper size detection switches 1 SW101 to 4 SW104 provided on each board On the other hand t
56. ON 2 the reverse motor M6 rotates in the normal direc e e ES N EU E des N 5 tion 3 and the reverse roller conveys the paper to the outside of the main body And then a specified period of time after PS3 detects the trailing edge of the paper and turns OFF 4 SD3 turns OFF 5 to bring the reverse gate back to its original position And when PS27 detects the trailing edge of the paper and turns OFF 6 the rotation of M6 is switched 7 from the normal rotation to the reverse rotation and the reverse roller sends the paper back to the inside of the main body to convey it to ADU In this manner the paper is turned over 1 3 5 7 Reverse motor M6 rotation Reverse rotation Reverse solenoid SD3 5 Fusing exit sensor PS3 Reverse sensor PS27 5 2 4 6 50gat2c088na e 1 Switchover of the reverse gate 5 Return to the reverse gate 2 Detection of the leading edge of paper 6 Detection of the trailing edge of paper 3 Normal rotation of the reverse roller ON 7 Switchover of the reverse roller from the nor 4 Detection of the trailing edge of paper mal rotation to the reverse rotation 83 20 INTERFACE SECTION Theory of Operation Ver 2 0 Mar 2009 20 INTERFACE SECTION 20 1 Composition bizhub 501 421 361 Serial port RS 232C CF card slot RJ45 Ethernet connector USB
57. Parts that operate when the power switch SW2 is turned ON A Composition A bizhub 501 421 361 section ES 5 section 50gat2c033nb B Operation Turning ON the power switch SW2 transmits an ON signal of SW2 to the overall control board OACB through the operation board 1 PWB1 In this way OACB sends out a control signal to the DC power supply DCPS and DCPS supplies each power source of 12V DC and 5V DC to all boards and optional devices including the printer control board PRCB After that OACB sends out to DCPS a control signal that generates a 24V DC power source which is supplied to all drive boards and optional devices And when the main relay RL1 and the sub relay RL2 turn ON AC power source is supplied to the fusing heater lamps 1 L2 and 2 L3 to start the initial operation of this machine A 706 Theory of Operation 2 0 Mar 2009 23 OTHERS 23 4 Authentication unit 23 4 1 Authentication unit Biometric type AU 101 A finger vein pattern is used for personal identification e Vein patterns are inside the body and cannot be visually recognized This makes vein patterns extremely dif ficult to forge or falsify The vein pattern authentication system can provide high security e With ultra red LED radiation a finger vein pattern is captured by camera and i
58. Punch scraps produced as a result of punching operation is stored in the Punch Scraps Box The Punch Scraps Box is provided with the Punch Scraps Full Sensor PS1 1 When a punch waste is detected the corresponding message is displayed on the operation panel e PS1 is a reflector type sensor that detects height of the punch scraps PS1 also detects whether a Punch Scraps Box is loaded FS 522 PU 501 OT 602 4512t2c006na 1 Punch Scraps Full Sensor PS1 lt ES 5 32 Theory of Operation 1 0 May 2008 7 OT 602 7 OT 602 71 Composition FS 522 PU 501 OT 602 4625t2c001na 7 2 Operation 7 2 1 Overview Mounting the optional OT provides a total of three trays The OT is attached at different positions depending on whether options SD or MT is mounted or not The capacity of each tray is different depending on the position of the OT is attached When the short circuit connector shipped with OT is mounted the machine determines that OT has been mounted z a 4625t2c002na 1 When MT SD is installed 5 200 sheets 2 FS only 6 200 sheets 3 500 sheets 7 200 sheets 4 200 sheets 8 200 sheets 33 7 OT 602 Theory of Operation 1 0 May 2008 FS 522 PU 501 OT 602 lt
59. Toner level detection COnlTOL Roe Rope 37 12 3 2 Toner supply control to the toner hopper 2 ehm has 37 1233 Toner supply control to the developing isi rx rn ey Ran 37 12 84 Toner conveyance ciis sagas ewe RR RU IRA 38 z 13 CLEANING TONER RECYCLE SECTION iiis sek Rr 39 39 1 COMPCSMOM aqaa a ER epa dake ee AOR See eee 39 IIb HE 40 5 13 3 Operation ped bb eae 41 13 34 Cleaning Operation or Reb ed O lh tre aia pete ba 41 19 9 2 Toner collection mechanisms ee NER RR e e 41 19 3 9 operation nes e ea eda ew 41 e 14 PAPER FEED SECTION Tray 1 8 heck e E C Rat qe ege edel 42 T4 1 cecus as ORE eee ARRA ER 42 oe ate Reactive Ue MOA 42 1412 Tray T eae Mee de AEE AM ae 42 TA T DINGS e Seen er cer eae gu dard hiec bdo qu Dads 43 01 7 PE rmm 43 JC WE d NWS Tre Terr 43 1 o P 44 14 251 COOL
60. according to the elapsed time after the completion of warm up or printing whether DF is opened or closed and whether each key is pushed down or not While in the stand by the ON OFF of the fusing heater lamps 1 L2 and 2 L3 are controlled so that the fusing roller gets to the prescribed temperature Through these control operations an overshoot is avoided and fusibility immediately after the release from the stand by condition is secured 2 bizhub 501 421 361 q p 6 E 5 76 18 FUSING SECTION Theory of Operation Ver 2 0 Mar 2009 D Low power mode and sleep mode When each key is not pressed within a specified period of time after the completion of the last print the system changes into the low power mode or the sleep mode The starting time for operation can be set individually for the low power mode and the sleep mode When the same starting time for operation is set for both modes the sleep mode takes precedence over the low power mode When the system changes into the low power mode the ON OFF of the fusing heater lamps 1 L2 and 2 L3 is controlled so that the fusing roller gets to the prescribed temperature The controlled temperature at this time becomes lower than other controlled temperatures And when the system changes into the sleep mode the power supply to L2 and L3 is shut off to put the system in the stand by condition 18 3 4 Fusing roller edge
61. according to the paper feed request signal to pick up the second and succeeding sheets of paper Paper thus picked up is conveyed to the PC by the con veyance roller to be further conveyed to the registration section of the main body through the vertical convey ance roller in the PC The conveyance roller is provided with CL151 and when the registration sensor PS1 of the main body detects the leading edge of paper and turns ON it turns OFF a specified period of time after that to stop the conveyance roller and the paper feed roller unit At this time the registration section of the main body stops temporarily to control the registration and all the rollers that are positioned upstream of the registration roller also stop In this way paper thus supplied is put in the standby condition in each position of the registration section the convey ance path and the LU exit section When print signal is received a specified period of time after that each roller in the conveyance path and CL151 turn ON to resume the conveyance of paper Theory of Operation 1 0 May 2008 4 4 2 2 gt Remaining paper detection control As paper in the tray gets reduced the lift plate goes up gradually The actuator 1 provided on the rear side of LU rotates in interlock with the up down operation of the lift plate The actuator is provided with the remaining paper sensors 1 PS
62. agitation drive 2 section drive 40 Theory of Operation Ver 2 0 Mar 2009 13 CLEANING TONER RECYCLE SECTION 13 3 Operation 13 3 1 Cleaning operation Toner scraped by the cleaning blade 4 is neutralized by the neutralizing sheet 2 then collected by the collec ion paddle 1 and finally guided to the collection screw 5 At this time toner remaining on the collection pad dle is scraped by the scraper 6 e N EU o re E fe N 5 gt E x 50gat2c047na 1 Collection paddle 4 Cleaning blade 2 Neutralizing sheet 5 Collection screw 3 Drum 6 gt Scraper 13 3 2 Toner collection mechanism A Purpose To reuse toner scraped by the cleaning blade the toner collection mechanism is provided B Execution timing The collection paddle to be used to collect toner is driven by the drum motor M1 and the toner collection oper ation is made in synch with the ON OFF of M1 13 3 3 Toner conveyance operation A Toner conveyance mechanism Toner collected is conveyed to the hopper in the toner supply section by the collection screw of the cleaning section B Execution timing The collection screw is driven by the drum motor M1 and the toner conveyance operation is made in synch with the ON OFF of M1 41 bizhub 501 421 361
63. and repair properly A risk of product trouble injury and fire exists Check the exterior and frame for edges burrs and other damages The user or CE may be injured Do not allow any metal parts such as clips staples and screws to fall into the product They can short internal circuits and cause electric shock or fire Check wiring for squeezing and any other damage Current can leak leading to a risk of electric shock or fire Carefully remove all toner remnants and dust from electri cal parts and electrode units such as a charging corona unit Current can leak leading to a risk of product trouble or fire Check high voltage cables and sheaths for any damage Current can leak leading to a risk of electric shock or fire Check electrode units such as a charging corona unit for deterioration and sign of leakage Current can leak leading to a risk of trouble or fire Before disassembling or adjusting the write unit P H unit incorporating a laser make sure that the power cord has been disconnected The laser light can enter your eye leading to a risk of loss of eyesight Do not remove the cover of the write unit Do not supply power with the write unit shifted from the specified mount ing position The laser light can enter your eye leading to a risk of loss of eyesight 5 9 SAFETY AND IMPORTANT WARNING ITEMS Safety Checkpoints WA
64. are R1 to R5 They are overlapping each other and do not corre to the write position Therefore a density is decided for the write as shown below and an appropriate processing is made 1 D1 D2 D3 D4 05 2 63 164 R5 v v V 3 2 W3 W5 50gat2c096na 1 Position at which the original is read 2 Data position while in reduction 3 Density adjustment B Write position With the density 256 gradation shown in the axis of coordinate and the position shown in the axis of abscissas when E2 E1 in the drawing of 1 Main scan magnification processing while in enlargement is shown in 16 steps in the direction of the axis of abscissas the following drawing is obtained When the position to the written data W2 is 7 the density S can be obtained in the following expression 1 E2 E1 16 x 255 T Density Position 15 50gat2c097na 95 bizhub 501 421 361 z lt p a 6 2 zh a i a e bizhub 501 421 361 lt p 6 ES 5 22 IMAGE PROCESSING Theory of Operation Ver 2 0 Mar 2009 96 22 1 6 Scanner gamma correction To the data obtained after the filter magnification processing select a density curve corresponding to the density butto
65. at the stapling position The paper in the Stacker is aligned in the main scan direction by two Alignment Motors and aligning plates FS 522 PU 501 OT 602 A Aligning plates The aligning plates 6 are moved to the front or rear in accordance with the paper size The Alignment Sensor Rr PS6 4 Fr PS7 1 detects the position of each aligning plate z lt S 5 2 i a 4349t2c014na 1 Alignment sensor Fr PS7 5 Paper Aligning Portion 2 Alignment motor Fr M5 6 Aligning Plate 3 Alignment motor Rr M4 7 Paper Stoppers 4 Alignment sensor Rr PS6 23 5 OPERATIONS Theory of Operation Ver 1 0 May 2008 B Paper aligning sequence In normal print and staple mode the paper is fed into the tray at its center position f no stapling is involved in the Sort or Group Print mode the aligning plate shifts 15 mm to the front or rear from the center This stacks papers in a saw tooth manner each being off set by about 30 mm with respect to the others This shifting motion is not performed when papers are fed into the MT or the SD FS 522 PU 501 OT 602 4349t2c015na 1 30mm 4 Normal Staple 2 Center 5 Aligning Plate 3 Shift Sort Group lt 6 ES 5 24 Theory of Operation 1 0 May 2008 5 OPERATIONS 5 3 3 Exit mechanism T
66. body NOTE The information herein may be subject to change for improvement without notice 502 OUTLINE 2 PAPER PATH 2 PAPER PATH Theory of Operation Ver 1 0 May 2008 4510t1c001na Theory of Operation 1 0 May 2008 3 COMPOSITION B COMPOSITION OPERATION 3 COMPOSITION MT 502 4510t2c001nb z lt A Q 2 4 DRIVE Theory of Operation 1 0 2008 4 DRIVE 502 4510t2c003na 1 Conveyance Roller 3 Conveyance Motor M1 2 Exit Roller ES 5 Theory of Operation 1 0 2008 5 OPERATIONS 5 OPERATIONS 5 1 Paper conveyance mechanism MT 502 When the Mailbin is selected as the exit source paper is fed off from the Finisher FS 522 and toward the Mailbin Drive for the Conveyance Rollers 2 of the Mailbin is transmitted from the Conveyance Motor M1 1 by way of a belt As each of the Conveyance Rollers is driven paper fed off from the Finisher is conveyed into the Mailbin 9 M Y 7 SS 77777777 7 z lt 5 2 i a 4510t2c004na 1 Conveyance Motor M1 2 Conveyance Roller 5 OPERATIONS Theory of Operation
67. cooling control A Purpose When printing continuously the sheets of paper the size of which is short in the main scan direction the temper ature gets high at both edges of the fusing roller and the fusing pressure roller where no paper passages is made So to prevent the temperature from getting high the edges of each roller are cooled down by the fusing cooling fans Fr FM2 and Rr FM8 This control operation is also conducted to avoid a fusing overshoot when the main body makes an emergency stop due to the occurrence of a jam B Fusing cooling fan control The fusing cooling fans Fr FM2 and Rr 8 vary depending on whether the size of paper in the main scan direction is large or small And their operations also vary when a jam occurs 1 Small size Small size paper refers to the one the size of which is 200 mm or less in the main scan direction e timing When the fusing exit sensor PS3 detects the leading edge of paper exited and turns ON OFF timing When the fusing motor M1 1 turns OFF 2 Large size Large size paper refers to the one the size of which is 201 mm or more in the main scan direction e ON timing When the detected temperature of the thermistor 2 TH2 is over the prescribed temperature OFF timing When the detected temperature of TH2 goes down below the prescribed temperature 3 When a jam occurs e ON timing A jam is detected inside the main body OFF timing A specified period of
68. exit section iesu c Uina z lt 5 2 i a 4 DRIVE Theory of Operation 1 0 May 2008 4 DRIVE DF 613 16eat2c002na 1 Original Feed Motor M1 2 Original Conveyance Motor M2 lt ES 5 Theory of Operation 1 0 2008 5 OPERATION 5 51 Document pick up mechanism The Document Pick Up Section consists of the Pick Up Rollers Feed Roller and Separation Roller and this section is driven by the Original Feed Motor M1 DF 613 5 1 1 Pick up operation When the Start key is pressed the Original Feed Motor M1 3 starts rotating backward causing the Pick Up Roller 4 to lower and start rotating at the same time At the same time the Feed Roller 2 starts rotating The Pick Up Rollers are in the raised position when in the standby state and in the lowered position during feeding lt a 7 i a 16eat2c003na 1 Separation Roller 3 Original Feed Motor M1 2 Feed Roller 4 Pick Up Roller 5 Theory of Operation 1 0 May 2008 5 2 Document feed conveyance mechanism When the original reaches the Registration Sensor the Original Feed Motor M1 5 starts rotating forward and at the same time that the Pickup Roller go
69. is cre ated on the drum surface by laser irradiation and developing A specified period of time after the registration clutch CL1 turns ON 4 a high voltage is impressed on the transfer corona 5 and the separation corona 6 to turn ON the transfer exposure lamp TSL 8 and the drum claw solenoid SD2 9 sequentially The ON timing 7 of TSL varies according to the type of paper And the ON time period of TSL also varies according to the setting environment An image created on the drum is transferred onto paper and then the paper is separated from the drum A specified period of time after the registration sensor PS1 detects the trailing edge of paper and turns OFF 10 each operation turns OFF However some operations turn OFF a specified period of time after PS1 detects the trailing edge of the last paper and turns OFF 11 or a specified period of time after the fusing exit sensor PS3 detects the trailing edge of the last paper and turns OFF 13 For the charging corona the developing bias and the guide plate bias with the OFF timing 12 by the last paper of the transfer corona used as a starting point each of the OFF timing is interlocked bizhub 501 421 361 1121 B 4 51 6110 11 Drum motor 1 Developing motor M3 z lt p S 2 E a x Registration sensor PS1 Registration clutch CL1 Erase lamp EL Ch
70. of steps 7 to 9 is repeated Theory of Operation Ver 2 0 2009 18 FUSING SECTION 18 FUSING SECTION 18 1 Composition Fusing heater Fusing web lamp 1 L2 Fusing roller Paper exit roller Decurler roller e N EU E o 3 N 5 Fusing heater lamp 2 L3 Fusing pressure roller Fusing claw 50gat2c025na B E 18 2 2 50gat2c026na 1 Fusing unit drive 2 Fusing motor M11 73 bizhub 501 421 361 q p 6 E 5 74 18 FUSING SECTION Theory of Operation Ver 2 0 Mar 2009 18 3 Operation 18 3 1 Fusing roller drive control A Speed switchover control The process speed is switched over between the high speed and the low speed according to the type of paper selected in the paper setting of the setup menu However the low speed is applicable in the thick paper envelop OHP and label paper mode Machine type Normal Thick paper envelop OHP and label paper mode bizhub 501 250mm s 125mm s bizhub 421 361 210mm s B Preliminary rotation control While in the warm up the preliminary rotation is conducted for the fusing roller and the fusing pressure roller The time of preliminary rotation varies according to the detected temperature of the drum temperature sensor and the thermistors 1 TH1 and 2
71. of the laser power based on a value calculated to make corrections of the laser power e Repeat several times the control operations described above 3 Execution timing When left for more than 8 hours executed a specified period of time after the power switch SW2 is turned ON However this can be changed with the software DipSW setting Note For bizhub 421 361 since the early morning dot diameter adjustment is not selected by default no execution is made D Fusing preliminary rotation 1 Purpose Make uniform the surface temperature of the fusing roller and the fusing pressure roller 2 Execution timing When the detected temperature of the thermistors 1 TH1 and 2 TH2 gets to the stipulated temperature Note The stipulated temperature at which the fusing preliminary rotation is made varies for bizhub 501 and 421 361 Theory of Operation Ver 2 0 2009 21 IMAGE STABILIZATION CONTROL E Environmental decision control 1 Purpose To detect the environmental temperature and humidity to maintain the image quality feedback is made to vari ous controls 2 Method A temperature sensor and a humidity sensor are equipped inside the machine bizhub 501 421 361 3 Execution timing When the power switch SW2 is turned ON and only when it has been left unused for more than 8 hours after the SW2 was turned OFF last time and the fusing temperature is considered below the stipulated temperature an environme
72. rk aa ok Re FORE aab ERG 44 14 92 Paper Ge d tection Controls RU E Ra doe RO RR ea a 45 143 3 Paper ised Control iubes ur Rack hera eee ae eA Leen PE E ER RR EY RR A 47 14 3 4 Paperenpty css rk aad aav Ea i eip aneii un 50 14 3 5 Paper remaining detection mechanism a oeda 51 o BYPASS Se NON ak arty cea iit eden pak ada bh dea heated 52 HOM TOMO o CDD oe SEU SR Ge wee eee Deka 52 oie WING MP ede es 53 1S2 Paper eed ea PERRIS eS eee Sek ed 53 15 2 2 MONG woos Lake ke ewe SH LESS a EA ERE KR E EUR Roo edu ROA eos 53 15 9 se a dh CIS ES Rd EARS RED 54 15 9 3 GOW CONVO Lese ce ore Rte eee ee ete s Rr olor soe does AREA 54 18 3 2 Paper size detection issued br ka nnt REFER Ru Rx E 55 15 9 8 Paper E Leones eq ERU P PI E Red xd le 56 259 4 Paperemply COOL sexes tet adis aus Fac buy gue s e each Geb e OR d E 57 TO REGISTRATMON SECHON S abd en dd dl p o RAP 58 18 0 COMPOSING Sora eee het acce e edd quoque d di dor dace Cedo Y Gd p o V a 58 102
73. sheet of paper When paper is conveyed and the registration sensor PS1 turns ON CL4 turns OFF to complete the pick up operation The pick up 4 operation of the 2nd and succeeding sheets of paper is conducted using the paper feed request signal 3 as a starting point 0 2 4 Feed motor M9 Registration sensor PS1 Feed clutch 1 CL4 50gat2c099na 1 Print start signal ON 3 Paper feed request signal 2 Pick up of the 1st paper 4 Pick up of the 2nd paper 2 Tray 2 pick up control When the print start signal turns ON 1 M9 the feed clutch 2 CL5 and the vertical conveyance clutch CL3 turn ON In this way the driving force of M9 is transmitted to the pick up roller the feed roller and the vertical conveyance roller to conduct the pick up 2 and the vertical conveyance 3 of the 1st sheet of paper When paper is conveyed and the vertical conveyance sensor PS2 turns ON CL5 turns OFF to complete the pick up operation However since keeps turning ON paper is conveyed to the registration section by the vertical conveyance roller In this manner when PS1 turns ON turns OFF a specified period of time after that The pick up 5 and the vertical conveyance 6 of the 2nd and succeeding sheets of paper are conducted using the paper feed request signal 4 as a starting point n p pl 4 I I6 Feed motor M9 Registration sensor PS1 Vertical convey
74. staples Stapling Position Front Diagonal 45 1 point 1 A3 B4 A4 B5 Rear Diagonal 45 1 point 1 11 x 17 8 11 Front Parallel 1 point 45 55 Rear Parallel 1 point 8 x 14 8 x 115 B4 4 45 B5 55 Side Parallel 2 paint 11x 17 8 x 14 8 x 11 8 x 115 1 Diagonal 30 for 5 and E Maintenance Maintenance Same as the main body F Machine specifi cations Power Requirements 24 5V DC supplied from the main body Power Consumption 166 W or less Dimensions 319 W x 558 D x 573 mm H Weight Approx 21 4 kg G Operating environment Temperature Same as the main body Humidity Same as the main body Theory of Operation 1 0 May 2008 1 PRODUCT SPECIFICATIONS 1 2 PU 501 A Type Type FS built in type punching operation device Installation Screwed to the FS Metric B4 A4 45 B5 11 x 17 8 5x 11 8K 1 16K 1 Paper Size Inch 2 holes 11x 17 x 14 82x 11 8 5x 115 A4 45 Foolscap holes 11 x 17 8 2 x 11 A3 A4 Paper Type Plain Paper 60 to 163 g m Recycled Paper 60 to 163 g m Punch Hole Metric 4 holes Swedish 4 holes 4 6 5 mm Inch 2 and holes can be switched 8 mm Number of Stored Punch Wastes Metric 4 holes For 1 500 sheets of paper 80 g m Inch 2 3 holes For 1 000 sheets of paper 75 g m Document Al
75. the main body and the Tray Set Sensor 3 4 PS112 PS121 is activated the Paper Lift Motor 3 4 M124 M125 starts rotating to raise the Lifting Plate 3 The paper stack of the Tray pushes up the Pick up Roller 1 When the upper limit position is detected by the Upper Limit Sensor 3 4 PS114 5123 4 it stops raising the lifting plate As paper is consumed during the print cycle and the Pick up Roller is lowered M124 M125 is energized until PS114 PS123 is blocked again A When the Tray is slid in 1 The lifting plate 3 goes up and the top surface of the paper stack pushes up the roller 1 2 The lifting motion stops as soon as the Upper Limit Sensor 3 4 PS114 PS123 detects the upper limit position 4061t2c004na 1 Pick up Roller 3 Lifting Plate 2 Lift up Arm 4 Upper Limit Sensor 3 4 PS114 PS123 B During a print cycle 1 Asthe paper is consumed the Upper Limit Sensor 3 4 PS114 PS123 1 is unblocked 2 The lifting plate goes up 4061t2c005na 1 Upper Limit Sensor 3 4 5114 PS123 Theory of Operation 1 0 May 2008 5 2 5 2 1 Tray Section Paper size detection 5 OPERATIONS Moving the Sub Scan Direction Restriction Plate of the Tray rotates the Circular Plate 1 provided on the bottom of the Tray The length of paper in the sub scan direction is detected by the Paper Size Detection Switch 8 provided on the Paper Size
76. the position sensor is activated twice and the Tray 2 is at the exit port when the position sensor is activated three times B Paper Full Detection When the Tray Position Sensor PS3 changes from the activated to deactivated state with the Upper Limit Sensor PS15 in the activated state a paper full condition is detected and the corresponding message will appear on the operation panel 20 Theory of Operation 1 0 May 2008 5 OPERATIONS 5 2 4 Shutter Open Close Mechanism The paper exit section is provided with the Shutter 3 and this Shutter is normally in the up condition the condition in which the Paper Exit Opening is opened However when the Tray goes up and down the Paper Exit Opening is closed to prevent an accident such as hands getting caught in the Paper Exit Opening The Shutter is opened or closed by the Shutter Motor M12 2 that turns a gear train for raising or lowering the Shutter The Shutter Home Sensor PS16 4 detects the position of the gear thereby determining the position of the Shutter When the Shutter does not close while in the Tray up down operation the Shutter Switch SW2 1 turns OFF to shut off a 24V DC and stop the up down of the Tray at once FS 522 PU 501 OT 602 gt 7 3 2 434912 012 1 Shutter Switch SW2 3 Shutter 2 Shutter Motor M12 4 Shutter Home Sen
77. with plenty of water immediately When symptoms are noticeable consult a physician 5 10 SAFETY AND IMPORTANT WARNING ITEMS Handling of Consumables WARNING Never throw the used cartridge and toner into fire You may be burned due to dust explosion 5 ale Handling of Service Materials CAUTION Unplug the power cord from the wall outlet Isopropyl alcohol and acetone are highly flammable and must be handled with care A risk of fire exists amp Re Do not replace the cover or turn the product ON before any solvent remnants on the cleaned parts have fully evaporated A risk of fire exists Use only a small amount of cleaner at a time and take care not to spill any liquid If this happens immediately wipe it off IN A risk of fire exists When using any solvent ventilate the room well Breathing large quantities of organic solvents can lead to gt discomfort 4 Fuse CAUTION CAUTION Double pole neutral fusing ATTENTION Double p le Fusible sur le neutre SAFETY AND IMPORTANT WARNING ITEMS 5 Used Batteries Precautions Handling of batteries CAUTION ALL Areas CAUTION Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufact
78. 0 22 VES adh dopo o iw A RR DR 29 bizhub 501 421 361 z lt p S 2 E x 5 Theory of Operation Ver 2 0 2009 10 2 8 Transfer exposure lamp TSD Contos ccs RR ita 29 TISDEMEEOPINGUNIT 4 5 pr a Sibel ER A de 30 5 Tct o Oppo e d Y ao ha ata Rok ita d 30 dil 2 IDEO cuite oem obti Goa baie oy ee db 31 TS Operation oo ae a 32 11 9 1 Developer COnWeyalite iuis ez es a ree 32 Developing DING ee ce OUR APER 33 11 3 3 Developing suction control ka e beste ed Rude ER 34 11 3 4 Image stabilization CODIOL eee RR ERE p ansete TORRE REE ERRORS 34 12 TONER SUPPLY SECTION 35 12 1 5 asus pans cee Soh RRR RESELL STAGES Gos Cee eRe Rae ee MERE SESSLER ORES 35 12 2 DING sg Eee PRU RR ee opp 36 5 gt o rnm 37 e 12 9 1
79. 0 May 2008 5 2 5 Roller separation mechanism The intermediate conveyance roller and the paper exit roller are provided with a separation mechanism that releases the pressure from the roller 5 OPERATION The intermediate conveyance roller release motor M12 1 drives the cam 5 to pressure release the inter mediate conveyance roller 2 The home position is detected by the roller release home sensor PS12 4 The paper exit roller release motor M13 8 drives the crank 7 to pressure release the paper exit roller 3 The home position is detected by the paper exit roller home sensor PS13 6 4521t2c012na 1 2 3 4 Intermediate conveyance roller release motor M12 Intermediate conveyance roller Paper exit roller Roller release home sensor PS12 5 6 7 8 Cam Paper exit roller home sensor PS13 Crank Paper exit roller release motor M13 79 FS 523 RU 507 COMPOSITION OPERATION 5 Theory of Operation 1 0 2008 A Intermediate conveyance roller separation control 7 When printing continuously a large size paper 217 mm or larger in the staple mode the leading edge of the 2nd paper 4 gets to the intermediate conveyance roller 2 while in the switch back 1 of the 1st paper of the 2nd and succeeding copies To prevent this release the pressure of the intermediate conveyance roller and separate 3 the roller to
80. 01 421 361 lt a 2 E a bizhub 501 421 361 6 ES 5 32 11 DEVELOPING UNIT Theory of Operation Ver 2 0 Mar 2009 11 3 Operation 11 3 1 Developer conveyance Developer in the developing unit is supplied by the agitator plate 4 to the developing roller 2 The thickness of developer attaching to the developing roller is restricted by the developer restriction blade 5 After completion of transfer to the drum 1 developer remaining on the developing roller is sent back to the agitator screws 8 The 2 agitator screws rotate in the same direction to obtain an improved conveyability when developer is changed 50gat2c043nb 1 Drum 4 Agitator plate 2 Developing roller 5 Developer restriction blade 3 Agitator screw Theory of Operation 2 0 Mar 2009 11 DEVELOPING UNIT 11 3 2 Developing bias A Purpose To make toner get easily attached to the drum while in developing a developing bias is impressed onto the developing roller 1 e e o N Y Ww a gt a lt 1 50gat2c044na 1 Developing roller 8 Developing bias shaft 2 Main pole position adjusting plate 4 Developing bias contact Q B Timing To prevent unnecessary carriers from attaching to the drum a d
81. 08 05 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Ver 1 0 Revision history After publication of this service manual the parts and mechanism may be subject to change for improve ment of their performance Therefore the descriptions given in this service manual may not coincide with the actual machine When any change has been made to the descriptions in the service manual a revised version will be issued with a revision mark added as required Revision mark To indicate clearly a section revised is shown at the left margin of the revised section The number inside represents the number of times the revision has been made To indicate clearly a page that contains the revision A is shown near the page number of the corresponding page The number inside represents the number of times the revision has been made NOTE Revision marks shown in a page are restricted only to the latest ones with the old ones deleted When a page revised in Ver 2 0 has been changed in Ver 3 0 The revision marks for Ver 3 0 only are shown with those for Ver 2 0 deleted When a page revised in Ver 2 0 has not been changed in Ver 3 0 The revision marks for Ver 2 0 are left as they are 2008 05 1 0 Issue of the first edition Date Service manual Ver Revision mark Descriptions of revision Theory of Operation 1 0 2008 CONTENTS CONTENTS e LU 203 S OUTLINE T PRODUCT
82. 1 0 2008 5 2 Paper path selection mechanism The Gate Solenoid 1 2 3 801 502 SD3 1 are energized or deenergized to direct paper fed from the Finisher into a specific tray There are 501 SD2 SD3 provided that will be energized or deenergized to operate the cor responding Gate 2 thereby selecting a specific paper path into a specific tray MT 502 1 lt S 2 a o 45102 005 1 Gate Solenoid 1 2 3 801 802 SD3 2 Gate Theory of Operation 1 0 May 2008 5 OPERATIONS 53 Paper detection The Paper Detection Sensor 1 2 3 4 PS1 PS2 PS3 PS4 2 detects any sheet of paper that is fed into the tray causing the LED to light up blue steadily to inform the user that a sheet of paper has been fed into the tray As the paper stacks up and eventually deactivates the Paper Full Sensor 1 2 3 4 55 PS6 PS7 PS8 1 at which time a paper full condition is detected MT 502 x S 2 a 4510t2c006na 1 Paper Full Sensor 1 2 3 4 PS5 PS6 2 Paper Detection Sensor 1 2 3 4 PS1 PS7 PS8 PS2 53 54 5 OPERATIONS Theory of Operation 1 0 2008 502 lt ES 5
83. 154 3 and 2 PS151 2 and the remaining paper is detected by the combination of the S ON OFF of these sensors And the no paper detection in the tray is made by the paper empty sensor PS153 5 Remaining paper quantity PS151 PS154 Full quantity OFF ON Medium quantity ON ON Small quantity ON OFF lt p a gt 2 x 16aat2c005na 1 Actuator 4 Direction of rotation when the tray goes up 2 Remaining paper sensor 2 PS151 5 Paper empty sensor PS153 3 Remaining paper sensor 1 PS154 5 TRAY SECTION Theory of Operation Ver 1 0 May 2008 5 TRAY SECTION 5 1 Drive e SY 2 5 1 1 Tray lift drive E 7 lt 2 a 2 16aat2c006na 1 Actuator 5 Lift plate 2 Wire 6 Wire 3 Coupling 7 Spring 4 Parallel pin B Paper lift motor M151 Theory of Operation Ver 1 0 May 2008 5 TRAY SECTION 5 2 Operation 5 2 1 Tray lift control When the upper door is closed a parallel pin for the up drive of the lift plate is pushed out to be coupled to the coupling of the paper lift motor M151 Closing the upper door also turn ON the upper door interlock switch MS151 to supply a 24V DC to the load of the drive system In this way M151 turns ON to bring up the lift plate When the lift plate goes up and the upper limit sensor PS152 detects the upper surface of paper M151 turns OFF to stop the up drive of the lift p
84. 23 D ELTE See EE E OEM UV RR METAS EN 23 Bo WING ish esa sra wo UE S dead dfe pida yd Rudd eee 24 6 2 1 DUM die see uar eee Ca eG GA Ea aa 24 G2 DANCE CINE E dans ere aA RE ees 24 Goo Operaio ERR Ka dd Pe E ERR QC RE R EEE bad cd Kn RR Fe 25 image creation ossis caes nac waa E rr huh RUE Ra 25 892 Di COW COMI essc y oct ae Cu DEREN CS a a e a e eed cl Ka d doe d 26 633 mage stabilization COMO nl keel ee cem pre eh ede ea 26 CRHARGING SEG WON EET 27 9 1 os a dcos eo d boe so he ately deo tial ai etin rcd gat dociles e adt 27 G2 EE 27 92 1 Charging die eS 27 922 lamp EL contol seen kar cas ee een REESE EOE EES SOO 27 10 TRANSFER SEPARATION SECTION i isa eaae Rh Raa SSNS Reed RE RR 28 pro bo Lhe ees 28 10 2 Operation 2 2 E E riot 29 GUNS 1st erac dori d e TOLER A 29 1
85. 3 5 5 2 3 Sub tray conveyance mechanism 1 ee eee 15 5 2 4 Main tray handling tray conveyance 16 8 525 Roller separation mechanism sess EEO 19 5 226 Conveyance baud a RA KORG CR 22 5 8 Main EN da ee REESE ROS 24 55 up down mechanism EKRE EK RR ROC eR ow 24 Mlainiray shift mechanism ssi eae dae Ee 25 SA TPunch sectis Se corani ORG EE dedu ice dia acd ded d 26 EA Punchdnechanish e dado RENE SUR bd as 26 5 4 2 Punch hole switchover mechanism for inch area 27 B5 Clee SOCIO a o oy Td eos cd buo aus d the oer eens 28 551 mechanism i iis aaaa rms E EEG EGG REGE ee ned RARE RA ACE RU d Race 28 552 Stapler movement mechanism caasa esas nach pk ke e eh m E Ra dees ROI RR on 30 558 Stapling mechans M head RO Rad E RR ER RR RR 31 554 Stpleshestemply ie ke Re rx arabe Swed RR 32 CONTENTS Theory of Operation Ver 1 0 May 2008 FS 523 RU 507 OUTLINE z gt D x Blank
86. 30 8 6 2 2 Punch mechanistm 31 2 6 2 3 PUNCH status detection reete tr eene trennt rero 31 6 2 4 Punch Scraps Box full detection 32 7 I HR 33 FOEEUIIM H 9 33 7 2 33 3 7 2 1 Overview nennen nennen teen nennen retten enne nnne nne 33 E Q gt 2 x Theory of Operation 1 0 May 2008 1 PRODUCT SPECIFICATIONS B OUTLINE 1 PRODUCT SPECIFICATIONS 1 4 FS 522 A Type I o un a Multi tray finisher built into the main body Installation Installed in the main body Document Alignment Center Consumables Staples 5 000 staples cartridge B Functions Modes Non sort sort group sort staple and punch when PU 501 is mounted C Paper type 1 Non sort Type Size Weight Max Capacity Metric Tray 1 200 sheets Plain paper B4 A4 45 5 45 8 x 115 1000 55 2 55 65 50 to 90 g m less sheets ra We eee 7 8x 14 1500 y pap 8 x 115 Foolscap or greater sheets 8K 1 16K 1 16KS 1 Thick paper 91 to 210 g m OHP transpare
87. 35 or less e 8 2 x14 ON ON ON OFF 201 or more 231 or less B4 242 or more less than 268 17717 ON ON ON ON 255 or more less than 288 288 or more less than 301 55 bizhub 501 421 361 6 ES 5 15 BYPASS SECTION 56 Theory of Operation Ver 2 0 Mar 2009 15 3 3 Paper feed control A Pick up control When the feed motor M9 is turned ON by the print start signal 1 the pick up solenoid BP 801 and the ver tical conveyance clutch CLS also turn ON a specified period of time after that When SD1 turns ON the lift plate goes up 2 and paper comes into contact with the feed roller After that the feed clutch BP CL6 turns ON Through these operations the driving force of 9 is transmitted to the feed roller and the vertical convey ance roller to conduct the pick up 3 and the vertical conveyance 4 of the 1st sheet of paper When paper is conveyed and the vertical conveyance sensor PS2 turns ON CL6 turns OFF to complete the pick up opera tion However since CL3 keeps turning ON paper is conveyed to the registration section by the vertical convey ance roller In this way when the registration sensor PS1 turns ON CL3 turns OFF a specified period of time after that The pick up 6 and the vertical conveyance 8 of the 2nd and succeeding sheets of paper are con ducted using the paper feed request signal 5 as a starting poin
88. 504 2 DK 506 PC 206 PC 407 1 504 JS 502 3 DK 506 PC 206 PC 407 1 RU 507 FS 523 4 DK 506 PC 206 PC 407 1 FS 522 2 3 5 DK 506 PC 206 PC 407 1 FS 522 2 3 SD 507 6 DK 506 PC 206 PC 407 1 FS 522 2 3 MT 502 7 206 407 4 LU 203 OT 504 8 PC 206 PC 407 4 LU 203 OT 504 JS 502 9 206 407 4 LU 203 RU 507 FS 523 10 PC 206 PC 407 4 LU 203 FS 522 2 3 11 206 407 4 LU 203 FS 522 2 3 SD 507 12 PC 206 PC 407 4 LU 203 FS 522 2 3 MT 502 I Either one of DK 506 206 and 407 can be selected 2 FS 522can be installed optionally with OT 602 3 FS 522 be installed optionally with PU 501 4 X Either one of PC 206 and PC 407 can be selected bizhub 501 421 361 OUTLINE 2 PRODUCT SPECIFICATIONS Theory of Operation Ver 2 0 Mar 2009 2 PRODUCT SPECIFICATIONS A Type Type Desktop type Copying method ndirect electrostatic method Original stand Fixed Original alignment Left rear standard Photo conductor OPC Sensitizing method Laser writing Paper feed trays Two trays 500 sheet x 2 80g m Bypass feed 150 sheet x 1 80g m PC 407 1 2 500 sheet x 1 80g m PC 206 1 500 sheet x 2 80g m LU 203 1 2 000 sheet x 1 80g m 1 407 PC 206 and LI 203 are optional Theory of Operation Ver 2 0 2009 2 PRODUCT SPECIFICATIONS B Functions 4 A4S
89. 8 A4 45 Foolscap 1 Only supported in Taiwan 2 Supported in other than inch area and Taiwan C Maintenance Maintenance Same as the main body D Machine specifi cations Dimensions 282 W x 368 D x 57 mm H Weight Approx 0 7 kg E Operating environment Temperature Same as the main body Humidity Same as the main body NOTE The information herein may be subject to change for improvement without notice Theory of Operation 1 0 May 2008 2 PAPER PATH 2 PAPER PATH 21 Exiting Paper to the Tray 1 Q 2 1 4349t1c001na 1 From the main body 3 Exiting paper to the Tray 1 2 Convey to the Tray 1 FS 522 PU 501 OT 602 OUTLINE 2 PAPER PATH 2 2 Exiting Paper to the Tray 2 Theory of Operation Ver 1 0 May 2008 4349t1c002na 1 From the main body 2 Convey to the Tray 2 3 Exiting paper to the Tray 2 Theory of Operation 1 0 May 2008 2 PAPER PATH 2 3 Exiting Paper to OT Q F 2 1
90. APER PATH E 2 COMPOSITION OPERATION 3 COMPOSITION M 3 4 lice M 4 5 OPERATIONS tis inier eie be itera Fees e EE EH e eee EE EY HL eco ve RS 5 51 Paper Feed Section iati cene cnim ict ati e 5 5 1 1 Paper feed mechanism 5 5 1 2 Paper lifting MOtOM mee ES 6 5 2 Tray SO CUOM cs 5 2 1 Paper size detection 5 2 2 Paper level indicator 8 lt a 2 7 i a 5 Theory of Operation Ver 1 0 2008 PC 206 OUTLINE E Q gt 2 x Blank Page Theory of Operation 1 0 May 2008 1 PRODUCT SPECIFICATIONS B OUTLINE 1 PRODUCT SPECIFICATIONS A Type o u 2 way Paper Take Up Cabinet Type Front loading type 2 way paper take up device Installation Desk type Document Alignment Center B Paper type Paper Type Same as the main body Metric B4 A4 45 B5 55 11 x 17 812 x 11 8 x 118 Foolscap 8K 1 16K 1 Paper Size Inch 11 x 17 8 x 14 81 x 11 81 115 5 x 815 A4 45 Foolscap Tray 3 500 sheets 80 g m Capacity Tray 4 500 sheets 80 g m
91. CERE ea 12 5 1 1 Entrance Conveyance Section 13 5 1 2 Intermediate Conveyance Section sse 14 5 1 3 Exit Conveyance 15 5 2 Up down Section nennen nennen nennen 16 5 2 1 Up down mechanism esee nennen 16 5 2 2 Tray Up Down 17 5 2 3 Tray Upper Limit Position Detection Mechanism 18 5 2 4 Shutter Open Close Mechanism essen 21 5 3 Stacker seclion uiii eter nece teda tie tec ie ad 22 5 8 1 Paper aligning mechanism sub scan 22 5 3 2 Paper aligning mechanism main scan 23 5 3 3 MOCMAMISM mE 25 ns 27 5 4 1 Stapling mechanism nene rti i ene 27 5 4 2 Stapling Unit moving Mechanism 28 5 4 8 Stapling POSItOT crore recette e iiL i netta 28 5 4 4 Staple empty 29 5 Theory of Operation 1 0 May 2008 6 6 1 Compositi ocn 30 gt 62 30 5 6 2 1 Registration
92. Continuous copy speed 50 copies min A4 8 x 11 bizhub 501 42 copies min A4 8 11 bizhub 421 36 copies min A4 8 x 11 bizhub 361 Continuous copy count Up to 999 sheets Original density selection Auto density selection Manual 9 steps Manual underprint density 9 steps 1 Only supported in Taiwan 2 Supported in other than inch area and Taiwan bizhub 501 421 361 OUTLINE 2 PRODUCT SPECIFICATIONS Theory of Operation Ver 2 0 Mar 2009 Resolution Scan 600 x 600 dpi Write 600 x 600 dpi Image memory 205 MB Interface section RJ45 Ethernet Serial port RS232 C Serial port USB TypeA x 3 Serial port USB TypeB 1 RJ 11 2 1 When EK 703 is optionally installed A 4 port when MK 708 and FK 502 are optionally installed 2 ports when MK 708 ML 503 and FK 502 x 2 are optionally installed C Type of paper Plain paper 1 All trays High quality paper of 60 to 105 g m Special paper 2 Bypass feed only OHP film label paper 3 blueprint master paper 3 High quality paper of 50 to 59 g m thin paper All trays High quality paper of 91 to 105 g m thick paper Bypass feed only High quality paper of 106 to 210 g m thick paper 1 Standard specified paper Plain paper nch Hammermill Tidal MP 20 Ibs etric Konica Minolta Profi BO g m Recycle paper nch Hammmermill Bond 2010 Domtar Recycled Copy 20
93. DIG asd euer exce bak EE YT C RES EERE VERRE RR PER 59 Theory of Operation Ver 2 0 Mar 2009 CONTENTS 715 9 Operaio EXRERG Ee 60 16 9 1 Loop contol cip eked eur nasa 60 TEONDUPESBCTIDNE sce qae p ex cadi acid Oiled aha qure eee anes 62 OMIPOSMON ces 4 fo Seeds IM 62 ONG EcL 63 REC e Goud Haas 64 1179 1 Gonveyance Unc es law x E repe X REM Coke i Oba 64 175 92 Conveyance re been ice ed cass ELEC EEE 65 1S FUSING SECTION es dhe 7 16 0 73 16 2 Diven SS 7 E Cok 74 1991 Fusthg olor CINE COMO osc aca dle oak a mpi d 74 19 9 2 Wee CNG COMO uu esaet Red s rea ee og dor Gd Opi ure dd 74 19 9 3 o ieu ea i d eb aS Ib OEC OR wo LER Loewe 75 1834 Fusingroller edge cooling control i esse uer c RR RR Ree COR RR RR E 76 1835 Envelope Conveyance MECHANISM
94. E 4 PAPER PATH 10 Blank page Theory of Operation Ver 2 0 Mar 2009 Theory of Operation 2 0 2009 5 OVERALL CONFIGURATION B COMPOSITION OPERATION 5 OVERALL CONFIGURATION 5 1 Time chart when the power is turned ON bizhub 501 421 361 DD 314 5 6 7 8 9 Item 22 Normal Scanner motor bis Exposure lamp L1 Fusing heater lamp 1 L2 Fusing heater lamp 2 L3 Fusing motor M1 1 Drum motor 1 i Developing motor M3 Polygon motor M5 Laser Paper lift motor 1 M7 Upper limit sensor 1 PS6 lt S 2 E B x Initial communication between the overall control board OACB and the printer control board PRCB Shading correction Paper lift motor 2 M8 9 Upper limit sensor 2 PS13 50gat2e001na 1 Fusing heater lamps 1 L2 and 2 L3 turn 5 Drum motor M1 turns ON ON early 6 diameter adjustment starts Power switch SW2 turns ON 7 The fusing temperature gets to the pre scribed temperature to start the preliminary rotation for fusing Dot diameter adjustment completed Warming up completed Note Each operation varies according to the setting of the software DipSW in the service mode The power is turned ON with DF closed The power is turned ON with the lif
95. Lift plate 5 Pick up solenoid BP 501 3 Spring 53 15 BYPASS SECTION Theory of Operation Ver 2 0 Mar 2009 15 3 Operation 15 3 1 Up down control A Updrive operation The lift plate 4 is of the construction in which it is pushed up by the spring 5 provided on the lower section However while in the stand by condition it is hold down by the cam 3 provided on the lift drive shaft 6 And the ON OFF of the gear 7 of the lift drive shaft is controlled by the stopper 1 that is driven by the pick up sole noid BP SD1 2 When the feed motor M9 is turned ON by a print start signal SD1 turns ON a specified period of time after that In this way the stopper is released and the driving force of M9 is transmitted to the lift drive shaft When the cam that holds down the lift plate is released by the rotation of the lift drive shaft the lift plate is brought up by the force of the spring When the lift sensor PS23 8 is turned ON by the rotation of the ift drive shaft SD1 turns OFF to stop the up drive of the lift plate This up drive operation causes paper loaded in he tray to come in contact with the feed roller to allow paper to be fed bizhub 501 421 361 lt S 2 a 151 4 3 50gat2c054na 1 Stopper 5 Spring 2 Pick up solenoid 501 6 Lift drive shaft 3 1 Gear 4 Lift plate B Lift sensor PS23 B Down drive operation
96. Lw is made by the paddle motor Lw M9 1 FS 523 RU 507 COMPOSITION OPERATION 4521t2c022na 1 gt Paddle motor Lw M9 4 Paddle solenoid 503 2 Paper exit roller 5 Paddle motor Up M15 3 Paddle Up 6 Paddle 1 Control 7 When the FS start signal turns ON M15 and 9 also turn ON 2 Aspecified period of time after the intermediate conveyance sensor PS3 detects the leading edge of paper SD3 turns ON while a specified period of time 3 specified period of time after PS3 detects the trailing edge of the last paper of the copy M15 and M9 turn OFF 4 n case of the last copy the moment the paper exit motor turns OFF M15 and M9 turn OFF 29 5 Theory of Operation 1 0 2008 5 5 2 Stapler movement mechanism movement rotation of the staplers Fr 4 and Rr 1 are made by the stapler moving motor 3 The home position is detected by the stapler home sensor PS14 2 and the position is decided according to the drive amount of M6 The 1 stapling at the front corner is made by the stapler Fr the 1 stapling at the rear corner made by the stapler Rr and the 2 stapling operations are made by the staplers Fr and Rr T x N 4521t2c023na E E 1 Stapler Rr 3 Stapler moving motor 2 22 514 4 Stapler Fr t a 8 A Control
97. N and while in the print bizhub 501 421 361 21 2 Operation flow 21 2 1 Image stabilization control flow when the power switch SW2 is turned ON The following shows the operation flow of the image stabilization control when the SW2 is turned ON E Environmental decision control A Fusing heater lamp early turn ON v D Fusing preliminary rotation v C Dot diameter adjustment control i B Drum rotation Stand by lt p S x A Fusing heater lamp early turn ON 1 Purpose To meet the warm up specifications the fusing heater lamps 1 L2 and 2 L3 are turned ON early enough so that the surface temperature of the fusing roller goes up to the prescribed temperature in its early stage 2 Execution timing When the power switch SW2 is turned ON without waiting for the initialization of the overall control the fusing heater lamp is turned ON by the signal on the printer control board PRCB However since turning ON the fus ing heater lamps 1 L2 and 2 L3 at the same time causes an excessive inrush current turn ON L3 first and then turn ON L2 a little after that After turning ON L2 and L3 conduct the ON OFF control at specified intervals to maintain the prescribed temperature of the fusing roller that is stipulated in each operation mode 85 biz
98. OPERATION A Switch back control 7 When the FS start signal turns ON the conveyance motor Lw M2 rotates in the normal direction And when the bypass route conveyance sensor PS2 3 detects the trailing edge of the 1st paper 1 of the 2nd copy that has been conveyed to the bypass route M2 turns OFF 2 A specified period of time after M2 turns OFF M2 rotates in the reverse direction to switch back the convey ance 2 And a specified period of time after that M2 stops to stand by for the 2nd paper A specified period of time after the main route conveyance sensor PS4 7 detects the leading edge of the 2nd paper 8 that has been conveyed through the main route by the conveyance motor Up M4 M2 rotates again in the normal direction to convey the 1st and the 2nd sheets of paper overlapped each other 4 A specified period of time after the intermediate conveyance sensor PS3 6 detects the trailing edge of the last paper M2 turns OFF FS 523 RU 507 lt p S 2 E B x 4 3 2 45212 010 1 1st paper of the 2nd copy 5 Paper of the 1st copy 2 Switch back 6 Intermediate conveyance sensor 53 3 Bypass route conveyance sensor PS2 Main route conveyance sensor PS4 4 Handling tray B 2nd paper of the 2nd copy 77 FS 523 RU 507 ES 5
99. OSITION OPERATION 9 OVERALL CONFIGURBTION bx rm Rd de Red i ERR ta RR d RR 11 5 1 Time chart when the power is tumed 11 m Qon DIDO a s bep RR Ip IER EE Red d e doo Ea die th wa RR ci iu 12 SCANNER SECON c ard Edo pee M pd oU ra eod po ite bees ok QU LR IE RD OR Rd 13 S eres ER GG PARE EGG T 13 GV EE I rmm 18 BS ure PPP EH 14 62 1 Sos exposure amp Convo V RR RE 14 6 32 Original size detection CONN sue esse ces xd we ree da de eke eee 17 AEGON sorrara Ero 18 DOW processio e e em C OR a eh dm 19 T WRIRE SECTION bd pen eden ies Da ode t pel bg 20 LJ OOCOmpOoSlD Gs Rd AER rau 20 T2 ETA PORES OEE EES S 21 T21 Laser beam eed b EERE ER Medea Sree ew dees RE 21 T22 Writecontol ek baad kee ae dee sad uud Aree REFER ERE 21 7 28 image stabilization chek Pee dad ZAR 21 pror 2 0o 015 0 PEE 22 6 PHOTO CONDUCTOR SECTION 93 dk kr I ERO E Ro
100. RNING When replacing a lithium battery replace it with a new lith ium battery specified in the Parts Guide Manual Dispose of the used lithium battery using the method specified by local authority Improper replacement can cause explosion After replacing a part to which AC voltage is applied e g optical lamp and fixing lamp be sure to check the installa tion state A risk of fire exists e Check the interlock switch and actuator for loosening and check whether the interlock functions properly If the interlock does not function you may receive an electric shock or be injured when you insert your hand in the product e g for clearing paper jam Make sure the wiring cannot come into contact with sharp edges burrs or other pointed parts Current can leak leading to a risk of electric shock or fire Make sure that all screws components wiring connec tors etc that were removed for safety check and mainte nance have been reinstalled in the original location Pay special attention to forgotten connectors pinched cables forgotten screws etc A risk of product trouble electric shock and fire exists Q o o Handling of Consumables NWARNING Toner and developer are not harmful substances but care must be taken not to breathe excessive amounts or let the substances come into contact with eyes etc It may be stimulative If the substances get in the eye rinse
101. S 1 Inch 11 x 17 x 14 8 x 118 45 Foolscap Capacity 200 sheets or 20 copies 1 Only supported in Taiwan 2 Supported in other than inch area and Taiwan C Maintenance Maintenance Same as the main body D Machine specifications Power Requirements 24 5V DC supplied from FS Power Consumption 9 5 W or less Dimensions 445 W x 478 D x 203 mm H Weight Approx 9 3 kg E Operating environment Temperature Same as the main body Humidity Same as the main body NOTE The information herein may be subject to change for improvement without notice SD 507 OUTLINE 2 PAPER PATH 2 PAPER PATH Theory of Operation Ver 1 0 May 2008 4511t1c001na 3 COMPOSITION Theory of Operation Ver 1 0 May 2008 B COMPOSITION OPERATION 3 COMPOSITION 409 045 Saddle Stitching Section Half Fold Section 4511t2c001na SD 507 6 ES 5 4 DRIVE Theory of Operation 1 0 May 2008 4 DRIVE 4 1 Half fold section 4511t2c013na 1 Folding Roller 3 Half folding Blade 2 Folding Motor M10
102. Symbols used for safety and important warning items are defined as follows Precaution when using the A A N N copier General Electric hazard High precaution temperature Prohibition when using the NV copier General Do not touch Do not prohibition with wet hand disassemble Direction when using the Q e General Unplug Ground Earth copier instruction 5 1 SAFETY AND IMPORTANT WARNING ITEMS SAFETY WARNINGS 1 MODIFICATIONS NOT AUTHORIZED BY KONICA MINOLTA BUSINESS TECHNOLOGIES INC Konica Minolta brand products are renowned for their high reliability This reliability is achieved through high quality design and a solid service network Product design is a highly complicated and delicate process where numerous mechanical physical and electrical aspects have to be taken into consideration with the aim of arriving at proper tolerances and safety factors For this reason unauthorized modifications involve a high risk of degradation in performance and safety Such modifications are therefore strictly prohibited The points listed below are not exhaustive but they illustrate the reason ing behind this policy Prohibited Actions DANGER Using any cables or power cord not specified by KMBT Using any fuse or thermostat not specified by KMBT Safety will not be assured leading to a risk of fire and injury Disabling fuse functions or bridging fuse terminals with w
103. aaa esse eek as nr Ras rh REOR RE Ra ee ee 77 1838 Protection against abnormality cov ayy seeks sane 78 182 7 Jam detection contiol ease denen Ra aC SR yay Re ws 78 TOLREVERSE EXIT SECTION reme eee CREER E anak Geeks aoe Fe 79 TELS chided Sit ad Ea Sale Pe Eee ona 79 DOS NING Wee ah Cadena Ciena eas en e O wos 79 OS PEON ETT 80 Conveyance Control oui eese e bx ded e peat e eae tid 80 19 32 Reverse CONG 2 ciate ech bone ed Soo Hoke eR ERR 82 20 INTERFACE SECTION ss reads Sea pegs ceeded tense es 84 20 11 cod Bessa da dette A Pest RE bebe ded 84 202 SHSCHCAHONS Rena 84 2 1 4 qbus m deem e Ow RR RR RR 85 Piel OUI 85 po rcm 85 21 2 1 Image stabilization control flow when the power switch SW2 is turned 85 21 2 2 Image stabilization control flow while in the print and the idle 88 22 IMAGE PROCESSING peca em xax dora E REOR ORC AO
104. ain tray A Control 1 While in the print operation While in the paper exit when the main tray upper limit sensor PS19 turns ON the tray lift motor M7 rotates in the reverse direction to bring down the main tray And M7 turns OFF when PS19 turns OFF This operation is repeated and stopped when the tray gets to the bottom according to the amount of paper exited 2 Paper removal control When paper loaded on the main tray is removed with the main tray reset sensor PS8 OFF M7 rotates in the normal direction to bring up the main tray and when PS8 turns ON M7 turns OFF 3 Paper full detection For the main tray when the main tray full sensor PS7 turns ON this is detected as the tray being full of paper and M7 turns OFF When the main tray goes up and the current of M7 is in excess of a prescribed value this is detected as the tray being full of paper and M7 turns OFF Theory of Operation 1 0 May 2008 5 5 3 2 Main tray shift mechanism While in the sort group mode the shift motor M8 4 is driven to shift the main tray 5 30 mm in the main scan direction through the shift plate 3 The home position is detected by the shift home sensor PS10 2 4521t2c019na 1 Shift encoder sensor PS11 4 Shift motor M8 2 Shift home sensor PS10 5 Main tray 3 Shift plate Control Sort mode 1 2 A specified period of time after the intermediate conve
105. ance sensor PS2 Feed clutch 2 CL5 Vertical conveyance clutch CL3 50gat2c100na 1 Print start signal ON 4 Paper feed request signal 2 Pick up of the 1st paper 5 Pick up of the 2nd paper 83 Vertical conveyance of the 1st paper 6 Vertical conveyance of the 2nd paper 48 Theory of Operation Ver 2 0 Mar 2009 14 PAPER FEED SECTION Tray 1 2 C Separation mechanism The separation roller 5 is pressed against the feed roller 8 by the operating pressure generated by the pres sure 2 of the spring 4 and the torque of the torque limiter 3 This operating pressure of the feed roller sepa ration roller and torque limiter becomes a limit torque to prevent the double feed of paper When there is no paper between the separation roller and the feed roller or when only one sheet of paper is con veyed the operating pressure of the feed roller the paper and the spring is in excess of the limit torque and therefore the separation roller rotates 6 following the rotation of the feed roller When two or more sheets of paper are conveyed between the separation roller and the feed roller the limit torque is greater than the frictional between 2 sheets of paper and accordingly the separation roller stops and the lower side paper 7 in contact with the separation roller is not conveyed bizhub 501 421 361 x 2 amp 50
106. apacity 2 000 sheets 80 g m C Type of paper Paper type 1 Plain paper recycled paper high quality paper of 60 to 105 g m Paper size A4 8 5 x 11 1 Recommended paper Plain paper Inch Tidal MP 20 Ibs Metric Konica Profi 80 g m Konica Minolta Original 80 g m Recycled paper Inch Weyehaeuser Recycled Laser Copy 20 Ibs Metric Nautilus 80 g m D Maintenance Maintenance Same as the main body E Machine data Power source 24 5 DC supplied from the main body Power consumption Dimensions 424 W x 515 D x 295 H mm Weight Approx 16 kg 30 W or less internal heater is not used F Operating environment Temperature Same as the main body Humidity Same as the main body Note The information herein may be subject to change for improvement without notice 2 PAPER PATH 2 PAPER PATH Theory of Operation Ver 1 0 May 2008 amp 3 4 5 1 i BO q 2 34 16aat1c001na 1 Lift plate 4 Feed roller 2 Separation roller 5 Pick up roller B gt Conveyance roller Theory of Operation 1 0 May 2008 3 COMPOSITION B COMPOSITION OPERATION 3 COMPOSITION LU 203 Paper feed section Tray section 16a
107. arging corona HV Developing bias HV Transfer corona HV Separation corona HV Guide plate bias HV m m Transfer exposure lamp TSL Drum claw solenoid SD2 Fusing exit sensor PS3 pu 4 13 12 50gat2c103na 1 Print start signal ON B Transfer exposure lamp TSL ON This var 2 Developing bias high voltage impressed ies according to the setting environment 3 Guide plate bias high voltage impressed 9 Drum claw solenoid 502 ON 4 Registration clutch CL1 ON 10 Trailing edge of the 1st paper detected 5 Transfer corona high voltage impressed 11 Trailing edge of the last paper detected 6 Separation corona high voltage impressed 12 Transfer of the last paper OFF 7 Varies according to the type of paper 13 Trailing edge of the last paper detected 25 8 PHOTO CONDUCTOR SECTION Theory of Operation Ver 2 0 Mar 2009 8 3 2 Drum claw control A Purpose Two drum claws are employed to prevent paper from winding up around the drum winding up jam The contact and severance of the drum claws to and from the drum are made by the ON OFF of the drum claw solenoid SD2 bizhub 501 421 361 B Swing operation To prevent paper from getting stained at specific points and the drum 3 from being damaged the drum claw 2 makes a swing operation of about 7 mm against the drum surface The drum claw unit 4 is provided w
108. at2c001na z lt 5 5 2 i a 4 PAPER FEED SECTION Theory of Operation Ver 1 0 May 2008 4 PAPER FEED SECTION 4 1 Drive e en 2 4 1 1 Paper feed drive A Front side drive 3 4 1 lt 2 2 2 16aat2c002na 1 Pick up solenoid 50151 3 Feed roller 2 gt Conveyance roller 4 Pick up roller B Rear side drive 1 16aat2c007na 1 Feed motor M150 3 Feed clutch CL151 2 Conveyance roller Theory of Operation 1 0 May 2008 4 PAPER FEED SECTION 4 2 Operation 4 2 1 Paper feed control A Pick up mechanism 1 Drive transmission The driving force of the feed motor M150 is transmitted to the paper feed gear 3 4 through various gears The paper feed gear 3 is connected with the pick up solenoid SD151 1 through the claw 2 When SD151 is turned OFF the coupling between the paper feed gear 3 and the paper feed coupling gear B 3 provided on the front stage is disengaged and the paper feed gear 3 does not rotate When SD151 turns ON the claw is released to engage the paper feed gear 3 to the paper feed coupling gear B In this way the paper feed gear 3 rotates and the driving force is transmitted to the paper feed roller unit 6 through the paper feed gear 5 to pick up paper
109. ations described above lt S 2 E B x 89 22 IMAGE PROCESSING Theory of Operation Ver 2 0 Mar 2009 22 IMAGE PROCESSING 22 1 Image processing in the scanner section A Shading correction bizhub 501 421 361 v B AE control v C Area discrimination v D Brightness density conversion v F Density gamma conversion v G Half tone processing error diffusion v H Compression v Storage of image data option ES 5 Filter magnification 90 Theory of Operation 2 0 2009 22 IMAGE PROCESSING 22 1 4 Shading correction This is the measure to obtain an even distribution from light of the CCD sensor The following corrections are made at the prescribed timing a White correction The output voltage of each pixel of the CCD sensor when the white reference plate is exposed to the exposure lamp is stored as the maximum output of the pixel b Black correction bizhub 501 421 361 The output voltage of each pixel of the CCD sensor when the exposure lamp is turned off is stored as the mini mum output of the pixel Conduct calculation to find out what step in this range falls on the image data read from the original based on he difference between the black and white data for each p
110. ber of times the revision has been made To indicate clearly page that contains the revision is shown near the page number of the corresponding page The number inside A represents the number of times the revision has been made NOTE Revision marks shown in a page are restricted only to the latest ones with the old ones deleted When a page revised in Ver 2 0 has been changed in Ver 3 0 The revision marks for Ver 3 0 only are shown with those for Ver 2 0 deleted When a page revised in Ver 2 0 has not been changed in Ver 3 0 The revision marks for Ver 2 0 are left as they are 2008 05 1 0 Issue of the first edition Date Service manual Ver Revision mark Descriptions of revision Theory of Operation 1 0 May 2008 CONTENTS CONTENTS SD 507 OUTLINE 1 PRODUCT SPECIFICATIONS x XR ERE RR EXER 1 2 RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRMRERNRMMMMNMMMMKEKEKKRR88REEEHUWWWMEMMMMNMNMM 2 COMPOSITION OPERATION 3 COMPOSITION 3 4 DRIVE Saai 4 41 section erre ein ni rere eran 4 4 2 Saddle Stitching Section enceinte itp te reddo 4 5 OPERATIONS c 5 5 51 Paper Conveyance 5 3 5 2 Conveyance roller
111. conveyance motor Lw M2 turns OFF to stop at the prescribed punch position 2 The punch clutch CL1 turns ON to punch a hole 3 4 or M2 turns ON to convey paper 26 Theory of Operation 1 0 May 2008 5 4 2 Punch hole switchover mechanism for inch area 5 OPERATION The hole punch selector motor M14 5 and the hole punch position switch SW4 4 are employed to move the lock holder 2 as necessary to select the hole positions 2 or 3 holes 1 6 1 CI ci Jh 4521t2e002na 1 2 3 4 2 holes Lock holder Punch bars in locked position Hole punch position switch SW4 5 6 7 Hole punch selector motor M14 3 holes Punch bars in locked position 27 FS 523 RU 507 lt S 2 E B x FS 523 RU 507 ES 5 5 OPERATION Theory of Operation Ver 1 0 May 2008 28 5 5 Staple section 5 5 1 Alignment mechanism While in the staple mode paper is conveyed to the handling tray for alignment operation The alignment in the main scan direction is made by the movement of the alignment plate and the align ment in the sub scan direction is made by the rotat
112. conveyed to the outside of the main body by the reverse roller 5 and then sent back again to the inside of the main body At this time the paper is guided to the conveyance roller 1 1 side not to the reverse gate side from the metal frame form of the conveyance path In this way the paper is turned over to be conveyed to the registration section again through ADU The ON OFF timing of the reverse solenoid 503 that drives the reverse gate is controlled by the fusing exit sen sor PS3 2 And the switchover between the normal rotation and the reverse rotation of the reverse motor M6 hat drives the reverse roller is controlled by the reverse sensor PS27 4 50gat2c087na 1 Conveyance roller 1 4 Reverse sensor PS27 2 Fusing exit sensor PS3 5 gt Reverse roller 3 Reverse gate Theory of Operation 2 0 2009 19 REVERSE EXIT SECTION B Reverse control While in the double sided print when the fusing exit sensor PS3 detects the leading edge of paper of which the printing of the back side has been completed and turns ON 1 the reverse solenoid SD3 turns ON to switch the reverse gate a specified period of time after the registration clutch CL1 turns ON for back side printing In this manner the paper is conveyed to the reverse section A specified period of time after the reverse sensor PS27 detects the leading edge of paper and turns
113. ct ing paper When paper stacks up on the Tray 3 the actuator 2 is pushed up by the paper indicating that there is paper at the exit port 434712 002 1 Paper Full Sensor PS1 3 Tray 2 Actuator KONICA MINOLTA 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Use of this manual should be strictly supervised to avoid A a disclosure of confidential information
114. curely a contact problem may lead to increased resistance overheating and risk of fire Check whether the power cord is not stepped on or pinched by a table and so on Overheating may occur there leading to a risk of fire Check whether the power cord is damaged Check whether the sheath is damaged If the power plug cord or sheath is damaged replace with a new power cord or cord set with plug and connec tor on each end specified by KMBT Using the damaged power cord may result in fire or elec tric shock Do not bundle or tie the power cord Overheating may occur there leading to a risk of fire S 5 SAFETY AND IMPORTANT WARNING ITEMS Power Plug and Cord WARNING Check whether dust is collected around the power plug and wall outlet Using the power plug and wall outlet without removing dust may result in fire Do not insert the power plug into the wall outlet with a wet hand The risk of electric shock exists When unplugging the power cord grasp the plug not the cable The cable may be broken leading to a risk of fire and electric shock amp Wiring NWARNING Never use multi plug adapters to plug multiple power cords in the same outlet If used the risk of fire exists When an extension cord is required use a specified one Current that can flow in the extension cord is limited so using a too lo
115. d and remove heat around the reverse section in the machine 2 ON timing They turn ON in synch with the turn ON of the drum motor M1 3 OFF timing While in the initial charging mode and the TCR adjustment mode they turn OFF in synch with the turn OFF of M1 cases other than the above they turn OFF a specified period of time after the turn OFF of M1 99 bizhub 501 421 361 z gt 2 23 OTHERS Theory of Operation 2 0 Mar 2009 1 Drum cooling fan FM4 control Purpose Cool around the drum and the toner bottle with suction air 2 E 1 ON timing After completion of the print it turns ON a specified period of time after the drum motor M1 turns OFF It turns ON when the machine inside temperature goes over the prescribed temperature OFF timing It turns OFF a specified period of time after it turns ON after completion of the print While it turns ON after completion of the print it turns OFF the moment M1 turns ON It turns OFF when the machine inside temperature goes down below the prescribed temperature Conveyance suction fan FM5 control Purpose Exhaust by sucking air around the conveyance path between the drum and the fusing unit and stabilize the conveyability of paper and remove exhaust heat and ozone at the same time 1 ON timing It turns ON in synch with the turn ON of the drum motor M1 While
116. d persons and to prevent further damage 2 Ifa report of a serious accident has been received from a customer an on site evalua tion must be carried out quickly and KMBT must be notified 3 To determine the cause of the accident conditions and materials must be recorded through direct on site checks in accordance with instructions issued by KMBT 4 For reports and measures concerning serious accidents follow the regulations speci fied by every distributor 5 16 Legal restrictions on copying Certain types of originals must never be copied with the purpose or intent to pass copies of such originals off as the originals The following is not a complete list but is meant to be used as a guide to responsible copy ing lt Financial Instruments gt Personal checks Traveler s checks Money orders Certificates of deposit Bonds or other certificates of indebtedness Stock certificates Legal Originals Food stamps Postage stamps canceled or uncanceled Checks or drafts drawn by government agencies Internal revenue stamps canceled or uncanceled Passports Immigration papers Motor vehicle licenses and titles House and property titles and deeds General dentification cards badges or insignias Copyrighted works without permission of the copyright owner In addition it is prohibited under any circumstances to copy domestic or foreign currencies or works of art without
117. de 1 AE sampling range in the platen mode e 2 Si o D a N a lt Iw 50gat2c039na 2 1 Original 5 10mm 2 1 100 mm 6 Leading edge of the original B Lmm 7 sampling range 4 30mm 2 AE sampling range in the DF mode 4 61 5 4 3 2 50gat2c040na 1 Original 4 20mm 2 2 9mm 5 Leading edge of the original B 1 5mm 6 sampling range 78 Theory of Operation Ver 2 0 2009 6 SCANNER SECTION 6 3 4 Image processing The following items are provided for the image processing For details See 22 IMAGE PROCESSING AOC Auto offset control AGC Auto gain control Shading correction AE processing Range discrimination Brightness density conversion Filter magnification Density gamma conversion processing error diffusion Compression Storage of image data bizhub 501 421 361 lt S 2 E B x 79 7 WRITE SECTION Theory of Operation Ver 2 0 Mar 2009 7 WRITE SECTION o 71 Composition 3 Collimator lens unit Cleaner CY2 lens Index lens a Laser drive board LDB Y Index mirror Dust proof glass gt E 7 7 a 7 CY1 lens 101
118. de of the original starts 3 The original is conveyed for a given period of time after the trailing edge of the last page of the document has deactivated the PS10 2 It is then fed into 1 the Exit Tray and the Original Conveyance Motor M2 is deenergized z lt S 5 2 i a DF 613 lt 6 ES 5 5 Theory of Operation 1 0 May 2008 B Operation flow in the 2 sided mode 1 When the Start key is pressed the Original Feed Motor M1 starts turning backward causing the Pick Up Roller to lower and start feeding the 1st page of the document A specified period of time after the leading edge of the original turns ON the Original Detection Sensor PS8 4 the scanning of the 1st side of the original starts The Original Conveyance Motor M2 is deenergized to stop 1 the original after the lapse of a given period of time after the trailing edge of the 1st page has deactivated the Original Exit Sensor PS10 2 3 2 16eat2c006na 1 Stop 3 Scanning the 1st side 2 Original Exit Sensor PS10 4 Original Detection Sensor PS8 2 M2is turned backward to turn over 3 the original After the Registration Roller M2 is turned forward to allow the Scanner to scan the backside of the 1st page 3 After the conveyance sequence for turnover has been started the Pressur
119. e Roller Release Solenoid SD1 is energized so that the Exit Turnover Roller is retracted l 2 16eat2c007na 1 Stop 3 Turnover 2 Scanning the 2nd side 70 Theory of Operation 1 0 May 2008 5 OPERATION 4 To ensure that pages of the document are in the proper order the page is turned over 3 again before being ejected 1 into the Exit Tray DF 613 1 16eat2c008na 1 Exit 3 Turnover 2 Scanning the 2nd side z lt S 5 2 i a 17 5 OPERATION Theory of Operation 1 0 May 2008 5 3 Raised lowered position detecting mechanism 5 3 1 DF 15 open close detection mechanism When DF is closed down to about 15 or less the Original Cover Angle Detection Lever of the main body is pressed down to turn ON the APS Timing Sensor PS31 DF 613 5 3 2 DF open close detection mechanism A magnet is provided so that the open close of DF can be detected on the main body side When DF is closed the DF Open Close Switch SW3 of the main body is turned ON by the magnet lt S 2 a o a0ret2c001ca 1 DF Open Close Switch SW3 12 KONICA MINOLTA SERVICE MANUAL PC 206 bizhub 501 421 361 2008 05 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Ver 1 0 Revision history Afte
120. e Roller Up 3 Saddle Exit Home Sensor PS18 2 Conveyance Roller Lw Theory of Operation 1 0 May 2008 5 2 2 1 2 Operation 5 OPERATIONS The Conveyance Roller Up 5 is moved up or down by the cams which are driven by the Exit Open Close Motor M9 6 When a bundle papers moves past the Conveyance Roller Up and Lw the motor is energized to press the Conveyance Roller Up up against the Conveyance Roller Lw SD 507 thereby feeding a bundle papers out into the tray lt S 2 amp 4511t2c006na Cam Cams are rotated The Conveyance Roller Up is moved downward pressing The Conveyance Roller Up is moved upward retraction 4 Cams are rotated 5 Conveyance Roller Up 6 Exit Open Close Motor M9 5 OPERATIONS Theory of Operation 1 0 May 2008 5 3 Stapling mechanism The Staple units 2 position are fixed Since the unit are for center stapling only it is made up of the upper clincher portion 1 and the lower stapling portion A bundle papers moves through the space between the upper and lower portions of the staplers When stapling the clincher portion moves downward to perform the stapling operation lt 4511t2c007na 1 Clincher Portion 3 Clincher Unit 2 Staple Unit Theory
121. e can be obtained bizhub 501 421 361 50gat2c081na 1 Thermistor 2 TH2 2 Thermistor 1 TH1 lt S 2 amp Warm up is conducted when the main power switch SW1 the power switch SW2 and the interlock switch MS turn ON and also when the system returns from the low power mode or the sleep mode While in the warm up the fusing heater lamps 1 L2 and 2 L3 turn ON And it turns OFF at the prescribed temperature The temperature at which the warm up completes varies for bizhub 501 and 421 361 B While in the print The set temperature of the fusing roller varies according to the type of paper and the paper size The ON OFF of the fusing heater lamps 1 L2 and 2 L3 are controlled so that the prescribed temperature is obtained When plain paper or thick paper is selected to prevent the set temperature from going down due to the pas sage of paper the set temperature is raised up to the prescribed temperature for a specified period of time from the start of printing for each print When the fusing roller and the fusing pressure roller are stopped due to the completion or interruption of the print each roller is kept running for a specified period of time after L2 and L3 turn OFF to avoid an overshoot C While in the stand by While in the stand by condition the temperature of the fusing roller is controlled in 3 steps
122. e of Original Possible Trouble Sheets lightly curled Curled amount 10 15 mm Dog eared exit failure Heat Sensitive Paper Edge folded exit failure conveyance failure Coated Paper Ink Jet Paper Take up failure conveyance failure Translucent paper Take up failure conveyance failure Paper immediately after paper exit from the Take up failure conveyance failure main unit Paper with many punched holes e g loose leaf limited to vertical feeding Multi page feed due to flashes from holes Sheets with 2 to 4 holes Conveyance failure Sheets two folded or Z folded amount of non flatness 15 mm or less Take up failure conveyance failure image deformation Sheets folded Image deformation multi page feed take up failure Theory of Operation Ver 1 0 May 2008 F Mixed original feed chart 1 PRODUCT SPECIFICATIONS For Metric Reference original original with a maximum width A3 A4 B4s B5 A4S 5 55 5 Other A3 A o originals A4 B4s e e 5 e e 45 e e e A A5 e e e B5S X X e e A A5S X X X X X Same size Same group Different group X Mix prohibited No need to set For Inch Reference original original with a maximum width 11x17 8 x 11 8 x 14 8 2x 11S 55 85 5 2
123. e product connecting to inadequate power supply voltage current capacity grounding and may result in fire or electric shock If proper wall outlet is not available advice the customer to contact qualified electrician for the installation Plug the power cord into the dedicated wall outlet with a capacity greater than the maximum power consumption Q If excessive current flows in the wall outlet fire may result f two or more power cords can be plugged into the wall outlet the total load must not exceed the rating of the wall outlet aD If excessive current flows in the wall outlet fire may result Make sure the power cord is plugged in the wall outlet securely Contact problems may lead to increased resistance overheating and the risk of fire 5 4 SAFETY AND IMPORTANT WARNING ITEMS Connection to Power Supply WARNING Check whether the product is grounded properly If current leakage occurs in an ungrounded product you may suffer electric shock while operating the product Connect power plug to grounded wall outlet Power Plug and Cord NWARNING When using the power cord set inlet type that came with this product make sure the connector is securely inserted in the inlet of the product When securing measure is provided secure the cord with the fixture properly If the power cord inlet type is not connected to the prod uct se
124. e revision has been made To indicate clearly page that contains the revision is shown near the page number of the corresponding page The number inside A represents the number of times the revision has been made NOTE Revision marks shown in a page are restricted only to the latest ones with the old ones deleted When a page revised in Ver 2 0 has been changed in Ver 3 0 The revision marks for Ver 3 0 only are shown with those for Ver 2 0 deleted When a page revised in Ver 2 0 has not been changed in Ver 3 0 The revision marks for Ver 2 0 are left as they are 2008 05 1 0 Issue of the first edition Date Service manual Ver Revision mark Descriptions of revision Theory of Operation 1 0 May 2008 CONTENTS CONTENTS FS 522 PU 501 OT 602 OUTLINE 9 1 PRODUCT SPECIFICATIONS E n NIE SD E 1 2 I MES 2 me O 2 1 Exiting Paper to the Tray 1 2 2 Exiting Paper tothe Tray 2 rise idi i Rire eaten 2 3 Exiting Paper IO QT inicie renes itr ee EE ERE COMPOSITION OPERATION 3 COMPOSITION COMPOSITION OPERATION 4 41 FS 522 42 PU S DUuILLISURIIeSLI DI nell I DIM LU DIUI II DEED 5 OPERATIONS a 12 Conveyance Section ien i ra HE ERE e Ee a re
125. ecycled paper Thick paper Thin paper Inch 4 A4S 11x17 8 2 x14 82x 11 85 x 115 Foolscap Metric B4 A4 45 B5 B5S 2 11x 17 8 11 85 x 115 Foolscap 8K 1 16K 1 16KS 1 50 to 210 g m 3000 sheets A4S or smaller 1500 sheets B4 or larger Main tray 1 Only supported in Taiwan 2 Supported in other than inch area and Taiwan 3 Sort staple group staple Type of paper Size of paper Weight Max capacity Exit tray Max number of sheets stapled Plain paper Recycled paper Inch A4 A4S 11x17 82x 14 82x11 8 x 115 Foolscap Metric B4 A4 A4S B5 B5S 2 11x17 8x11 8 x 115 Foolscap 8K 1 16K 1 16KS 1 60 to 90 g m 3000 sheets A4S or smaller 1500 sheets B4 or larger Main tray 50 sheets 1 Only supported in Taiwan 2 Supported in other than inch area and Taiwan 4 Punch a Metric Swedish Type of paper Size of paper Weight Max capacity Exit tray Max number of sheets stapled Plain paper Recycled paper A4 45 B5 8K 1 16K 1 60 to 90 g m Main tray Sub tray b Inch 2 holes 1 Only supported in Taiwan Type of paper Size of paper Weight Max capacity Exit tray Max number of sheets stapled Plain paper Recycled pa
126. ed the KMBT strongly recommends that all servicing be performed only by KMBT trained service technicians Changes may have been made to this product to improve its performance after this Service Manual was printed Accordingly KMBT does not warrant either explicitly or implicitly that the information contained in this Service Manual is complete and accurate The user of this Service Manual must assume all risks of personal injury and or damage to the product while servicing the product for which this Service Manual is intended Therefore this Service Manual must be carefully read before doing service work both in the course of technical training and even after that for performing maintenance and control of the product properly Keep this Service Manual also for future service DESCRIPTION ITEMS FOR DANGER WARNING AND CAUTION In this Service Manual each of three expressions ADANGER AWARNING and ANCAUTION is defined as follows together with a symbol mark to be used in a limited meaning When servicing the product the relevant works disassembling reassembling adjustment repair maintenance etc need to be conducted with utmost care DANGER Action having high possibility of suffering death or serious injury IN WARNING Action having a possibility of suffering death or serious injury A CAUTION Action having a possibility of suffering a slight wound medium trouble and property damage
127. ed to its prescribed level M10 turns OFF to get back to the stand by condition B Toner bottle position detection The toner supply section is provided with the toner bottle position sensor PS28 to detect the rotational position of the toner bottle whether it is at the home position 12 3 3 Toner supply control to the developing unit A When the power switch SW2 is turned ON A specified period of time after SW2 turns ON the TCR sensor TCRS detects the toner density in the develop ing unit At this time when a detected value is found below the initial density recorded in the CPU in the overall control board OACB the toner supply motor M4 and the toner solenoid 505 turn ON to supply toner from the toner hopper to the developing unit lt p S 2 E B x B While in printing While in printing the toner density is detected by the TCR sensor TCRS The ON time periods of the toner sup ply motor M4 and the toner solenoid SD5 are decided according to the output voltage of TCRS to supply oner from the toner hopper to the developing unit TCRS output voltage Toner supply time period Less than 2 01 V O second 2 01 to 2 14 V 0 10 seconds 2 14 to 2 22V 0 15 seconds 2 22 to 2 28 V 0 20 seconds 2 28 to 2 32V 0 25 seconds 2 32 to 2 39 V 0 40 seconds 2 39 V or more 0 50 seconds 37 bizhub 501 421 361
128. eriod during which the photosensitive material is driven and make corrections of the output values of the charging grid and the developing bias to secure the stable amount of toner 2 Method Detect the machine inside humidity with the humidity sensor HUMS when turning ON the power switch SW2 8 hours or more after turning it OFF Calculate the correction amount based on the machine inside humidity detected and the time period during which the photosensitive material is driven Make corrections of the output value of the charging grid and the developing bias based on the correction amount calculated When the time period during which SW2 is turned ON after OFF is less than 8 hours use the value of the machine inside humidity detected last time 3 Execution timing For each job print C Dot diameter adjustment 1 Purpose While in the continuous print reduce the variance in image density for each print Theory of Operation Ver 2 0 2009 21 IMAGE STABILIZATION CONTROL 2 Method Create a dot pattern patch between images of which more than 20 prints have been run off The laser PWM at this time is maximum e Read this dot pattern patch with the IDC sensor IDCS and calculate the difference between the sensor output and the specified value bizhub 501 421 361 e Determine the correction amount of the laser power based on a value calculated to make corrections of the laser power Repeat several times the control oper
129. es electrically 1 Main scan magnification processing while in enlargement As shown in the drawing below if the data of each pixel obtained when the original is read by the CCD are D1 to 05 the positions of the data read when enlarged are E1 to E5 However when the write is made only with the data thus read the following problems occur There occurs a clearance between data and this results in a distorted image b The data position does not fall in exactly with the write position As shown with dotted lines in the drawing below when there is no read data that corresponds exactly to the write position a density is decided for the write as shown below and appropriate processing is made q p 6 ES 5 1 E2 E3 E4 5 2 E1 S N PEN g i 3 Iw W2 W3 W4 W5 W6 W7 W8 50gat2c095na 1 Position at which the original is read 3 Write position 2 Data position while in enlargement 94 Theory of Operation 2 0 2009 22 IMAGE PROCESSING 2 scan magnification processing while in reduction As shown in drawing below if the data of each pixel obtained when the original is read by the CCD are D1 to D5 the positions of the data read when reduced
130. es up drive is then supplied to the Registration Roller 3 When the Original Conveyance Motor M2 4 starts rotating forward the two Conveyance Rollers 2 and the Exit Turnover Roller 1 feed the document toward the exit direction DF 613 Parts Direction ot Details Rotation Backward The Pickup Rollers lower and start rotating and the Feed M rotation Roller rotates Forward The Registration Roller rotates rotation Backward The Conveyance Roller and Exit Turnover Roller rotate in T rotation the direction to turn over the original Forward The Conveyance Roller and Exit Turnover Roller rotate in rotation the direction to feed the original out 16eat2c004na 1 Exit Turnover Roller 4 Original Conveyance Motor M2 2 Conveyance Roller 5 Original Feed Motor M1 3 Registration Roller Theory of Operation 1 0 May 2008 5 OPERATIO A Operation flow in the 1 sided mode DF 613 16eat2c005na 1 Exit 3 Scanning the 1st side 2 Original Exit Sensor PS10 4 Original Detection Sensor PS8 1 When the Start key is pressed the Original Feed Motor M1 starts rotating backward causing the Pick Up Roller to lower and start a paper take up sequence 2 specified period of time after the leading edge of the original turns ON PS8 4 the scanning of the 1st si
131. etion of the evacuation of the Shift Gate starts the movement of the Shifter 2 The movement of paper from the Sub Tray to the Main Tray is made by the Shifter that is driven by the Shift Motor M4 1 The stopping of the movement of the Shifter to the Main Tray side is made by the Shift Posi tion Sensor PS11 4 The movement to the home position starts when the Tray Release Key is pressed The stopping of the movement of the Shifter to the home position is made by the Shift Home Sensor PS12 3 PC 407 z e q 2 So a o 4061t2c206na 1 Shift Motor M4 3 Shift Home Sensor 512 2 Shifter 4 Shift Position Sensor PS11 Theory of Operation 1 0 May 2008 5 OPERATIONS 5 2 4 Paper empty detection Paper empty detection of Main Tray is performed by Main Tray Empty Board MEB 2 Paper empty detection of Sub Tray is performed by Sub Tray Empty Sensor PS9 3 PC 407 4 1 4061t2c207na 1 Main Tray 3 Sub Tray Empty Sensor 59 2 Main Tray Empty Board MEB 4 Sub Tray z E lt S 5 2 i a 5 OPERATIONS Theory of Operation 1 0 2008 407 lt ES 5 10 as KONICA MINOLTA SERVICE MANUAL LU 203 20
132. eveloping bias turns ON a specified period of time after the print start signal turns ON and it turns OFF a specified period of time after charging turns OFF 33 bizhub 501 421 361 ES 5 11 DEVELOPING UNIT Theory of Operation Ver 2 0 Mar 2009 94 11 3 3 Developing suction control A Purpose To prevent the splash of toner from the developing roller the duct 4 is provided at 2 places of the developing unit 1 Toner guided into the duct is sucked in by the developing suction fan FM6 3 to be collected by the suction filter A 2 50gat2c045na 1 Developing unit 3 Developing suction fan FM6 2 Suction filter A 4 Duct B Developing suction fan FM6 control The developing suction fan 6 turns ON in synch with the developing motor turning ON And it turns OFF a specified period of time after M3 turns OFF However while in the TCR adjustment mode it turns OFF in synch with M3 turning OFF 11 3 4 Image stabilization control The following item is provided for the image stabilization control For details See 21 IMAGE STABILIZATION CONTROL Toner density control Theory of Operation Ver 2 0 Mar 2009 12 TONER SUPPLY SECTION 12 TONER SUPPLY SECTION io 2 12 1 Composition B Toner bottle position Toner remaining sensor Toner supply motor sensor 2528 Toner bottle sensor PS4 3 PZS M4 N
133. g and folding position A paper is also conveyed to the exit conveyance section Drive for the intermediate conveyance section is provided by the Conveyance Motor M2 3 Drive of the Intermediate Conveyance Roller 1 4 and Intermediate Conveyance Roller 2 2 is controlled The Conveyance Sensor PS5 1 detects paper in the intermediate conveyance section nus Q ED m pe q A lt 43492 005 1 Conveyance Sensor 55 3 Conveyance Motor M2 2 Intermediate Conveyance Roller 2 4 Intermediate Conveyance Roller 1 14 Theory of Operation 1 0 May 2008 5 OPERATIONS 5 1 3 Exit Conveyance Section The paper is exited onto each of the trays The Exit Motor M1 1 provides drive for the Exit Roller 3 Stacker Paddle 5 and Exit Paddle 2 FS 522 PU 501 OT 602 4349t2c006na z lt S 5 2 i a 1 Exit motor M1 4 Exit roller release motor M6 2 Exit Paddle 5 Stacker Paddle 3 Exit Roller 72 5 OPERATIONS Theory of Operation 1 0 May 2008 5 2 Up down Section 5 2 1 Up down mechanism The Up down mechanism is operated to select a specific tray thereby feeding the paper exit onto a specific tray FS 522 PU 501 OT 602 EL DU 4349t2c007na
134. gat2c101na 1 gt Paper conveyance direction 5 Separation roller 2 Pressing 6 Driven rotation 3 Torque limiter 7 2nd sheet of paper 4 Spring 8 Feed roller 49 14 PAPER FEED SECTION Tray 1 2 Theory of Operation Ver 2 0 Mar 2009 14 3 4 Paper empty control The paper empty of the tray is detected the paper empty sensors 1 55 8 and 2 PS12 4 And to prompt the supply of paper before paper in the tray runs out completely the paper near empty sensors 1 PS9 7 and 2 PS15 8 are equipped The lift drive shaft 2 that brings up the lift plate 5 is provided with the actu ator 1 and PS9 and PS15 are turned ON and OFF by this actuator When a sufficient amount of paper is loaded on the tray the actuator turns ON 59 and PS15 However when the amount of paper gets reduced and the lift plate goes up the actuator turns OFF PS9 and PS15 In this way it is detected that the paper loaded in the tray comes near to an end E e Q N a e E 7 7 a 50gat2c050na e 1 Actuator 5 Lift plate 2 Lift drive shaft 6 Coupling 8 Paper empty sensor 1 PS5 7 Near empty sensor 1 PS9 4 Paper empty sensor 2 PS12 8 Near empty sensor 2 PS15 20 Theory of Operation 2 0 Mar 2009 14 PAPER FEED SECTION Tray 1 2 14 3 5 Paper remaining detection mechanism The front cover
135. get the 2 sheets of paper overlapped each other 2 When the 2nd paper stops the intermediate conveyance roller is pressured to convey the 2 sheets of paper overlapped each other to the handling tray T E x N 2 3 4 lt 2 4521t2c013na t a 8 1 1st paper of the 2nd copy 3 Separation 2 Intermediate conveyance roller 4 2nd paper of the 2nd copy 20 Theory of Operation 1 0 May 2008 5 Paper exit roller separation control 7 stack 1 paper in the handling tray 2 while in the staple mode FS start signal turns ON and the paper exit roller release motor M13 turns ON After the pressure of the paper exit roller 8 is released and the paper exit roller is separated 4 M13 turns OFF 2 After completion of the stapling operation M13 turns ON again when the fusing exit sensor PS3 of the main body detects the trailing edge of the 2nd paper of the next copy M13 pressures 7 the paper exit roller to nip the paper 5 then M13 stops and the paper exits NET R 02 N 3 4 g 2 4521t2c014na 6 8 1 Conveyance to the handling tray 5 Paper 2 Handling tray 6 Paper exit 3 Paper exit roller 7 Pressure 4 Release pressure
136. he 1st sheet of paper is standing by at the con veyance roller 3 The 2nd sheet of paper is turned over at the paper reverse exit section to be con veyed to ADU At this time the 3rd sheet of paper is fed and the image of the 6th page the back Side of the sheet of paper when the original is double sided is printed 50gat2c074na 70 Theory of Operation Ver 2 0 2009 50gat2c075na 50gat2c076na 50gat2c077na 50gat2c078na 17 ADU SECTION The 3rd sheet of paper is conveyed to the paper reverse exit section and the 2nd sheet of paper is conveyed in ADU without interruption However the 1st sheet of paper remains standing by at the conveyance roller 3 The 1st sheet of paper is fed again and the image of the 1st page the front side of the 1st sheet of paper when the original is double sided is printed At this time the sheet of paper is turned over to be sent to ADU and the 2nd sheet of paper is standing by at the conveyance roller 3 In this way the 4th sheet of paper is fed While the 1st sheet of paper is being exited the image of the 8th page the back side of the 4th sheet of paper when the original is double sided is printed on the 4th sheet of paper At this time since the 2nd sheet of paper is standi
137. he fusing roller 9 and fusing exit roller 10 to be exited from the main body paper exit roller 111 The conveyance rollers 1 2 and 3 are driven by the feed motor M9 but the ON OFF of the conveyance roller 1 is controlled by the ADU conveyance clutch Up CL7 and that of the conveyance rollers 2 and 3 controlled by the ADU conveyance clutch Lw CL8 This control is used to prevent the interference of each sheet of paper bizhub 501 421 361 hat circulates through the conveyance path when two or more sheets of paper are printed And to detect the position of paper that is circulating the ADU conveyance sensor 1 PS24 1 and 2 PS25 4 are equipped ES 5 50gat2c057na 1 ADU conveyance sensor 1 PS24 Registration roller 2 Conveyance roller 1 8 Drum 3 gt roller 2 9 Fusing roller 4 ADU conveyance sensor 2 PS25 10 Fusing exit roller 5 Conveyance roller 3 11 Main body paper exit roller 6 Loop roller 12 Reverse roller 64 Theory of Operation Ver 2 0 Mar 2009 17 ADU SECTION 17 3 2 Conveyance control When printing two or more sheets of paper in the double sided print mode the conveyance control in ADU var ies according to the length of paper in the sub scan direction The following 3 control methods are provided for he conveyance control Conveyance control
138. he paper exit roller section is provided with the Paper Holding Paddle 3 to hold the paper exited onto the Tray while in the sort mode so that the paper does not have an uneven edge The subsequent copy set is fed out with the copy sets previously resident on the tray being held down by the paper holding paddle The Exit Paddle Home Sensor PS11 1 Spring Clutch 4 and Exit Paddle Solenoid 802 2 control the retracted position and paper holding position of the paper holding paddle 3 4349t2c016na 1 Exit Paddle Home Sensor PS11 3 Paper Holding Paddle 2 Exit Paddle Solenoid SD2 4 Spring Clutch 25 FS 522 PU 501 OT 602 COMPOSITION OPERATION 5 OPERATIONS Theory of Operation Ver 1 0 May 2008 A Exit Roller up down mechanism While in the sort mode and the staple mode the Exit Roller Up is pressed to the Exit Roller Lw after the paper is stacked in the Stacker The press release of the Exit Roller Up is driven by the Exit Roller Release Motor M6 3 The Exit Roller Home Sensor PS12 4 detects the position of the Exit Roller Up whether itis in the released or pressed position FS 522 PU 501 OT 602 4 lt S 2 a o 434912 017 1 Unblocked Released 3 Exit Roller Release Motor M6 2 Blocked Pressed 4 Exit Roller Home Sensor PS12 26 Theory of Operation 1 0 May 2008
139. he projections of the size detection actuator vary in their circumference and the inter vals between each of these projections and accordingly either one of the 4 detection levers is to be pushed according to the position of the guide plate In this way the paper size in the sub scan direction is detected by the combination of the ON OFF of SW101 to SW104 14 PAPER FEED SECTION Tray 1 2 12 13 8 9 7 6151 10 11 4 3 1 2 50gat2c048na 1 2 3 4 5 6 7 Size detection actuator Projection Paper size sensor Fr2 PS17 Paper size sensor Rr2 PS16 Detection lever Paper size board 2 PSB 2 Size detection actuator 8 9 10 11 12 13 Paper size board 1 PSB 1 Detection lever Paper size sensor Rr1 PS10 Paper size sensor Fr1 PS11 Side guide plate Rear guide plate 45 bizhub 501 421 361 z p E x 14 PAPER FEED SECTION Tray 1 2 Theory of Operation Ver 2 0 Mar 2009 B Paper size detection table Paper size Paper size boards 1 PSB 1 2 PSB 2 Paper size sensor Paper size sensor SW101 SwiO02 sw103 8 104 Rri PS10 Rr2 Fr1 PS11 Fr2 m PS16 PS17 2 B5 O OFF 5 ASS ON OFF OFF OFF OFF OFF OFF 4 ON OFF OFF OFF OFF 85 11 OFF OFF OFF OFF OFF 82x 115
140. hub 501 421 361 q p 6 ES 5 21 IMAGE STABILIZATION CONTROL Theory of Operation Ver 2 0 Mar 2009 86 B Drum rotation 1 Purpose e Prevent the drum charge leak such as an image flow at high humidity e When left in the low normal humidity condition prevent the uneven density due to the difference in sensitiv ity between the section facing the cleaner and the developing of the drum and other sections 2 Execution timing It turns ON a specified period of time after the power switch SW2 turns ON and turns OFF when the dot diam eter adjustment is completed However when the 30 seconds extension of the early morning drum rotation is selected in the software DipSW setting it turns OFF 30 seconds after the completion of the dot diameter adjust ment Note For bizhub 421 361 since the early morning dot diameter adjustment is not selected by default no drum rotation is made C Dot diameter adjustment control 1 Purpose Stabilize the image over a long period of time by preventing the change of the laser 1 dot diameter due to the write system being stained or the change of developability 2 Method e Create a dot pattern patch of a fixed density on the drum The laser PWM at this time is maximum e Read this dot pattern patch with the IDC sensor IDCS and calculate the difference between the sensor output and the specified value Determine the correction amount
141. ignment Center 1 Only supported in Taiwan B Maintenance Maintenance Same as the main body C Machine specifi cations Power Requirements 24 5 DC Supplied from FS Dimensions 114 W x 461 D x 136 mm H Weight Approx 1 9 kg D Operating environment Temperature Same as the main body Humidity Same as the main body I o A A R FS 522 PU 501 OT 602 OUTLINE 1 PRODUCT SPECIFICATIONS Theory of Operation Ver 1 0 May 2008 1 3 OT 602 A Type Type Additional Tray to FS Installation Screwed to the FS Mode Non sort sort group and sort staple Number of Bins 1 bin Document Alignment Center B Paper Type Mode Size Type Capacity Metric Plain Paper Recycled Paper 2 h B4 A4 MS B5 50 to 90 g m eneers B5S 2 A5S B6S 11x17 82x11 OHP transparencies 8 x 11S Foolscap 8K Thick paper Non sort 1 16K 1 16KS 1 91 to 210 g m Inch Special Envelope 20 sheets 11 x 17 8 2 x 14 Label paper 8 2 x 11 8 x 115 5 x 8185 Letterhead A4 A4S Foolscap Metric B4 4 45 5 Sort group B5S 2 200 sheets 11 x 17 8 x 11 8 x 115 Foolscap 8K Plain Paper Recycled paper 1 16K 1 16KS 1 56 to 90 g m Inch Sort staple 11x 17 8 2 x 14 200 sheets or 20 copies 8 2 x 11 81 x 11
142. image processing For details See 22 2 Image processing in the write section Rotation elongation PWM El fat N a ES 5 22 Theory of Operation Ver 2 0 Mar 2009 8 PHOTO CONDUCTOR SECTION 8 PHOTO CONDUCTOR SECTION 81 Composition Drum Drum claw PGC sensor sensor IDCS bizhub 501 421 361 50gat2c004na x S 2 amp 23 8 PHOTO CONDUCTOR SECTION Theory of Operation Ver 2 0 Mar 2009 8 2 Drive 8 2 1 Drum drive e N mI D 2 El Ke N z 2 50gat2c005na D 8 1 Drum motor M1 2 Drum drive shaft 8 2 2 Drum claw drive 50gat2c006na 1 Drum claw 2 Drum claw solenoid SD2 24 Theory of Operation Ver 2 0 2009 8 PHOTO CONDUCTOR SECTION 8 3 Operation 8 3 1 Image creation control When the print start signal turns ON 1 various motors turn ON to place each unit in the operating condition At the same time the erase lamp EL turns ON to neutralize the drum and the charging corona charges the drum A specified period of time after the print start signal turns ON the developing bias turns ON 2 and then a high voltage is impressed 3 on the guide plate When the preparation for image creation is made an image
143. in the low power mode and the stand by condition it turns ON in synch with the turn ON of the drum cooling fan 4 OFF timing While in the initial charging and the TCR adjustment mode it turns OFF in synch with the turn OFF of M1 In cases other than the above it turns OFF a specified period of time after M1 turns OFF While in the low power mode and the stand by condition it turns OFF in synch with the turn OFF of FM4 Developing suction fan FM6 control Purpose Suck air from the underside of the developing unit to prevent the splash of toner and exhaust air 2 3 700 ON timing It turns ON in synch with the turn ON of the developing motor M3 OFF timing It turns OFF a specified period of time after M3 turns OFF While in the TCR adjustment mode it turns OFF in synch with the turn OFF of M3 Theory of Operation 2 0 Mar 2009 23 OTHERS G Developing cooling fan FM7 1 Purpose Take in fresh air to cool down the developing motor 2 ON timing After completion of the print it turns ON a specified period of time after turns OFF While in the auto toner supply mode it turns ON in synch with the turn ON of bizhub 501 421 361 urns when the machine inside temperature goes over the prescribed temperature 3 OFF timing After completion of the print it turns OFF a specified period of time after it turns ON e While in the auto toner supply mode it turns OFF i
144. ion of the paddle Alignment plate The movement of the alignment plates Fr 5 and Rr 1 is made by the normal reverse drive of the align ment motor M5 2 The alignment plates Fr and Rr move with the position at the center of paper as a reference and the home position is detected by the alignment home sensor PS9 4 The distance of movement of the alignment plate is variable according to the paper size The alignment operation is made each time paper is conveyed to the handling tray 5 6 1 4 3 2 452112c021na 1 Alignment plate Rr 4 Alignment home sensor PS9 2 Alignment motor M5 5 Alignment plate Fr 3 Handling tray 6 Paper exit roller 1 Control 7 2 When the intermediate conveyance sensor PS3 detects the leading edge of the 1st paper of the job M5 rotates in the normal direction to conduct a size movement A specified period of time after PS3 detects the trailing edge of paper M5 rotates in the normal direction to conduct the paper alignment And it rotates in the reverse direction to return to the size standby position Theory of Operation 1 0 2008 5 OPERATION B Paddle The paddle Up 3 and Lw 6 hit paper against the stopper to conduct the alignment in the sub scan direction The drive of the paddle Up is made by the paddle motor Up M15 5 and the paddle solenoid 503 4 The drive of the paddle
145. ire metal clips solder or similar object Disabling relay functions such as wedging paper between relay contacts Q Disabling safety functions interlocks safety circuits etc Safety will not be assured leading to a risk of fire and Cu injury Making any modification to the product unless instructed by KMBT S Using parts not specified by KMBT 5 2 SAFETY AND IMPORTANT WARNING ITEMS 2 POWER PLUG SELECTION In some countries or areas the power plug provided with the product may not fit wall outlet used in the area In that case it is obligation of customer engineer hereafter called the CE to attach appropriate power plug or power cord set in order to connect the product to the supply Power Cord Set or Power Plug WARNING Use power supply cord set which meets the following criteria EN provided with a plug having configuration intended for the connection to wall outlet appropriate for the uct s rated voltage and current and the plug has pin terminal s for grounding and Q k provided with three conductor cable having enough cur 0 the cord set meets regulatory requirements for the area So Use of inadequate cord set leads to fire or electric shock Attach power plug which meets the following criteria having configuration inte
146. is visible the lesser the amount of paper will be available for use PC 206 lt n 4061t2c007nb 1 Lever 4 Lifting Plate 2 Operated by the Lifting Plate 5 Tray Bottom Plate 3 Paper Level Indicator KONICA MINOLTA SERVICE MANUAL PC 407 bizhub 501 421 361 2008 05 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Ver 1 0 Revision history After publication of this service manual the parts and mechanism may be subject to change for improvement of their performance Therefore the descriptions given in this service manual may not coincide with the actual machine When any change has been made to the descriptions in the service manual a revised version will be issued with a revision mark added as required Revision mark To indicate clearly a section revised is shown at the left margin of the revised section The number inside represents the number of times the revision has been made To indicate clearly page that contains the revision is shown near the page number of the corresponding page The number inside A represents the number of times the revision has been made NOTE Revision marks shown in a page are restricted only to the latest ones with the old ones deleted When a page revised in Ver 2 0 has been changed in Ver 3 0 The revision marks for Ver 3 0 only are shown with those for Ver 2 0 deleted
147. ith a projection 7 This projection is pressed by the cam 6 provided on the gear 5 to push out the drum claw unit backward When the gear rotates to release the cam the drum claw unit is sent back to the original position by the spring 1 This operation is repeated to swing the drum claw S 5 50gat2c042na AN D Spring AN B Gear A 2 Drum claw 8 Cam 3 Drum 7 Projection A 4 Drum claw unit 8 3 3 Image stabilization control The following items are provided for the image stabilization control For details See 21 IMAGE STABILIZATION CONTROL e Drum rotation control Dot diameter adjustment control A 2 Theory of Operation 2 0 Mar 2009 9 CHARGING SECTION 9 CHARGING SECTION 94 Composition Erase lamp EL Charging wire Charging control plate bizhub 501 421 361 50gat2c007na z lt ge 2 a 92 Operation 9 2 1 Charging control A Charging wire The high voltage unit HV pressurizes 24V DC to impress a minus DC voltage on the charging wire for dis charge Charging output range 500 to 1100 B Charging grid To obtain a uniform charging wire discharge a minus high voltage is impressed from the high voltage unit HV to the charging grid Charging grid voltage output range 450 to 1090 V 9 2 2 Erase lam
148. ixel stored in the steps a and b above and output he results of the calculation in the 10 bits accuracy Voltage at which the read is made 14 White 0v Ed Width in which the read is made Cs 2 After shading correction 1024 White 0 Width in which the read made Black z lt p S E B x 50gat2c091nb 1 AD conversion input 2 Shading correction output 97 22 IMAGE PROCESSING Theory of Operation Ver 2 0 Mar 2009 22 1 2 AE control Through the AE control a density suitable for the original density is automatically selected and the copy is made properly A Sampling area 1 While in the platen mode e Q o D a El fat N a lt 50gat2c092na e 1 Original 5 10 8 2 L 100 mm 6 Leading edge of the original B Lmm 1 sampling range 4 30mm 2 While in the DF mode ET 4 61 5 4 3 2 50gat2c093na 1 Original 4 20mm 2 2 9mm 5 Leading edge of the original 3 1 5 6 sampling range Execution timing While in the platen print At the pre scan before the actual scan when the print or the read starts e While in the DF print At the same time as when the original is read 92 Theory of Ope
149. l ground Ground PG PGND Power ground DCD Data carrier detection SIN Serial input SOUT Serial output DTR Data terminal operation available GND Signal ground earth DSR DSET Data set ready RTS Transmission request signal CTS Consent transmission signal RI Ring indicator TXD Serial transmission data RXD Serial reception data D Feeding direction When the long side of the paper is parallel with the feeding direction it is called short edge feeding The feeding direction which is perpendicular to the short edge feeding is called the long edge feeding Short edge feeding will be identified with S abbreviation for Short edge feeding on the paper size No specific notation is added for the long edge feeding When the size has only the short edge feeding with no long edge feeding S will not be added to the paper size Sample notation Paper size Feeding direction Notation x Long edge feeding A4 Short edge feeding A4S Short edge feeding 5 KONICA MINOLTA SERVICE MANUAL bizhub 501 421 361 Main body 2009 03 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Ver 2 0 Revision history After publication of this service manual the parts and mechanism may be subject to change for improvement of their performance Therefore the descriptions given in this service manual may not coincide wi
150. late When PS152 turns OFF by the paper feed operation M151 turns ON again to keep on bringing up the lift plate until PS152 turns ON When the upper door is opened the wire is pulled to release the coupling for the up drive of the lift plate In this way the lift plate goes down up to the position in which a balance is kept between the weight of paper and the spring tension LU 203 lt 4 a 2 E a 16aat2c008na 1 Feed roller 8 Pick up roller 2 Lift plate 4 Upper limit sensor PS152 5 TRAY SECTION Theory of Operation Ver 1 0 May 2008 LU 203 6 ES 5 70 KONICA MINOLTA SERVICE MANUAL eee FS 522 PU 501 OT 602 2008 05 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Ver 1 0 Revision history After publication of this service manual the parts and mechanism may be subject to change for improvement of their performance Therefore the descriptions given in this service manual may not coincide with the actual machine When any change has been made to the descriptions in the service manual a revised version will be issued with a revision mark added as required Revision mark To indicate clearly a section revised is shown at the left margin of the revised section The number inside represents the number of times th
151. lbs etric Nautilus 80 g m 2 Special paper recommended paper Thick paper Cougar Cover 65 Ib Metric Xerox colotech 200 g m Thin paper nch Boise Cascade Bond 16 lbs Label paper nch AVERY 5352 letric AVERY DPS 24 OHP film nch 3M CG3700 Folex overhead X 500 CG3700 Envelope Inch Preservation Wove 24 lbs 6 3 4 9 10 4 1 8 x 9 1 2 Metric Schneider Soehne Distinction 100 100 g m lang Schneider Soehne Briefumschlage 100 g m C5 Schneider Soehne Velin 80White 80g m C6 3 Label paper is loaded and fed one sheet at a time D Maintenance Maintenance Every 250 000 prints bizhub 501 421 Every 225 000 prints bizhub 361 6 Theory of Operation Ver 2 0 2009 2 PRODUCT SPECIFICATIONS E Machine data Power source Inch AC120V 12A 60Hz 8 Metric AC220 240V 7A 50Hz 3 Maximum power consumption 1 560 W or less full system S Dimensions Main body 685 W x 823 7 D x 1 150 mm 1 E DF 613 a PC or DK Weight Approx 97 kg with DF 613 provided 1 Overturning prevention board is not included F Operating environment Temperature 10 to 30 C Humidity 10 to 8096RH with no condensation Note The information herein may be subject to change for improvement without notice 7 bizhub 501 421 361 OUTLINE 3 UNIT CONFIGURATION 3 UNIT CONFIGURATION Theory of Operation Ver 2 0 Mar 2009 7 gt
152. lel one point 4349t2c020na 2 Slant one point 28 Theory of Operation 1 0 May 2008 5 OPERATIONS 5 4 4 Staple empty detection Staple Empty Sensor 2 detect whether not there are staples still left When the number of staples left in the staple cartridge becomes about 20 a staple sheet empty condition results causing a corresponding empty message to appear on the opera tion panel When the empty condition is detected the corresponding empty indication is given on the operation panel At the same time the Stapling Unit moves to the front When a new staple cartridge is loaded the stapling motor is energized until the Stapler Ready Sensor 1 detects a staple which results in the staple to be fed up to the stapling position FS 522 PU 501 OT 602 z lt S 5 2 i a X 2 4349t2c021na 1 Stapler Ready Sensor 2 Staple Empty Sensor 29 6 PU 501 Theory of Operation 1 0 May 2008 6 PU 501 6 1 Composition FS 522 PU 501 OT 602 4512t2c002na 6 2 Operation 6 2 1 Registration mechanism 5 lt lu n For punch and holding operations loop is formed in the paper the Registration Roller 2 to correct skew of the paper The Entrance Sensor PS4 1 detects the leading edge of the paper and the Registration
153. n selected on the operation panel An appropriate density curve is provided for each of the character pic ture character and the picture thin character modes 22 1 7 Halftone processing error diffusion To make effective use of the installed memory and obtain an excellent copy image error diffusion processing is employed which is one of the pseudo intermediate processing methods 22 1 8 Compression To store more image data data is stored temporarily in the image memory after the images has been com pressed 22 1 9 Storage of image data The image setting of the originals read by the scanner or the images sent from the IC can be stored as a file in the hard disk in the main body option Theory of Operation Ver 2 0 2009 22 IMAGE PROCESSING 22 2 Image processing in the write section A Rotation elongation i i i 1 Frequency conversion i i i i i bizhub 501 421 361 PWM A Rotation elongation Rotate the image in the direction of 90 degrees and 180 degrees as necessary When outputting images from the memory expand the compressed data to restore them to their original state B Frequency conversion Write in the memory once the data after the PWM conversion and read it in accord with the write clock signal of the printer PWM The period of time the laser is turned ON is changed by changing the pulse width z lt
154. n synch with the turn OFF of M3 t turns OFF when the machine temperature goes down below the prescribed temperature H Overall control board cooling fan FM10 control 1 Purpose Cool down the overall control board OACB with suction air 2 ON timing e It turns ON when the power switch SW2 turns ON 3 OFF timing It turns OFF when SW2 turns OFF lt S 2 E B x CPU cooling fan FM11 1 Purpose Blow fresh air on the heat sink and cool down CPU 2 ON timing e It turns ON in synch with the turn ON of the main power switch SW1 3 OFF timing Setting HDD FAX and the network Does not turn OFF e Not Setting HDD FAX and the network Turns OFF only while the sleep mode 701 23 OTHERS Theory of Operation Ver 2 0 2009 23 2 Counter control 23 2 1 Composition bizhub 501 421 361 CN936 1 KCT 50gat2c030nb z E gt D x 1 Coin vendor 2 2 Copy Vender A 702 Theory of Operation Ver 2 0 Mar 2009 23 2 2 Operation A Paper exit counter 23 OTHERS Item Specifications mechanism Total counter TCT Counts up by a paper exit signal Display accumulated number of prints in all print modes Electronic counter panel Data collection 1 Counts up by a paper exit signal Display accumulated number of
155. n the above it turns OFF a specified period of time after M1 turns OFF e While in the low power mode and the stand by condition it turns OFF in synch with the turn OFF of B Fusing cooling fan Fr FM2 and Rr 8 control 1 Purpose While in the continuous print of small size paper paper width 200 mm or less cool down both edges of the fusing roller to suppress a temperature rise on the section of the fusing roller through which no paper passes Suppress a temperature rise when printing large size paper paper width 201 mm or more Suppress a fusing overshoot caused by an emergency stop when a jam occurs lt p S 2 7 x 2 ON timing While in the print of small size paper they turn ON when the fusing exit sensor detects the first job paper While in the print of large size paper they turn ON when the thermistor 2 TH2 goes over the prescribed temperature They turn ON when the print operation is stopped by a jam 3 OFF timing While in the print of small size paper they turn OFF in synch with the turn OFF of the fusing motor M1 1 While in the print of large size paper they turn OFF when TH2 detects a temperature lower than the pre scribed temperature They turn OFF a specified period of time after it turns ON by jam C Exhaust fan FM3 and Rr FM9 control 1 Purpose With exhaust air cool down paper conveye
156. ncies 118 11 x 17 82x 14 20 sheets Envelepe 8 x 11 8 115 Label paper 512 x 8 5 i Letterhead 4 45 Foolscap 1 Only supported in Taiwan 2 Supported in other than inch area and Taiwan 2 Sort Group Type Size Weight Max Capacity Metric Tray 1 200 sheets B4 A4 A4S B5 Plain paper 2 1 11x 17 8x11 AAS 8 11S 1000 8 x 115 Foolscap or less sheets 8K 1 16K 1 16KS 1 56 t 2 56 to 90 g m Tray 2 peh 812 x 14 Recycled paper 11 x 17 8 b x 14 SEX 500 81 x 11 84x 118 or greater sheets A4 A4S Foolscap 1 Only supported in Taiwan 2 Supported in other than inch area and Taiwan FS 522 PU 501 OT 602 OUTLINE En PRODUCT SPECIFICATIONS 3 Sort Staple Theory of Operation Ver 1 0 May 2008 A4 45 Foolscap Type Size Weight Max Capacity Metric Tray 1 200 sheets A4 A4S B5 Plain paper PSOE 1 11x 17 8 x 11 45 8 2x 115 1000 8 x 115 Foolscap or less sheets 8K 1 16K 1 16KS 1 to m Tray 2 B4 812 14 Recycled paper 11 x 17 8 2 x 14 Bib x 500 8 x 11 8 11S or greater sheets 1 Only supported in Taiwan 2 Supported in other than inch area and Taiwan D Stapling Staple Filling Mode Dedicated Staple Cartridge 5000 staples Staple Detection Available Nearly Empty 20 remaining
157. nded for the connection to wall outlet appropriate for the product s rated voltage and current and the plug has pin terminal s for grounding and a meets regulatory requirements for the area Use of inadequate cord set leads to the product connect ing to inadequate power supply voltage current capacity grounding and may result in fire or electric shock Conductors in the power cable must be connected to ter minals of the plug according to the following order Black or Brown L line White or Light Blue N neutral ab Green Yellow PE earth Wrong connection may cancel safeguards within the product and results in fire or electric shock 5 3 SAFETY AND IMPORTANT WARNING ITEMS 3 CHECKPOINTS WHEN PERFORMING ON SITE SERVICE Konica Minolta brand products are extensively tested before shipping to ensure that all applicable safety standards are met in order to protect the customer and CE from the risk of injury However in daily use any electrical equipment may be subject to parts wear and eventual failure In order to maintain safety and reliability the CE must perform regular safety checks 1 Power Supply Connection to Power Supply WARNING Check that mains voltage is as specified Connection to wrong voltage supply may result in fire or electric shock Connect power plug directly into wall outlet having same configuration as the plug Use of an adapter leads to th
158. ng by at the conveyance roller 3 the 3rd sheet of paper stops when the interval between this sheet and the 2nd sheet of paper comes to the prescribed distance The 4th sheet of paper is conveyed to the paper reverse exit section At this time the conveyance of the 2nd and the 3rd sheets of paper resumes in ADU 71 bizhub 501 421 361 lt 5 5 2 E i a bizhub 501 421 361 z E gt D x 17 ADU SECTION 72 50gat2c079na 50gat2c080na Theory of Operation Ver 2 0 Mar 2009 8 The 2nd sheet of paper is fed again and the image of the 3rd page the front side of the 2nd sheet of paper when the original is double sided is printed The 4th sheet of paper is turned over to be sent to ADU with the 3rd sheet of paper standing by at the conveyance roller 3 In this way the 5th sheet of paper is fed 9 While the 2nd sheet of paper is being exited the image of the 10th page the back side of the 5th sheet of paper when the original is double sided is printed on the 5th sheet of paper At this time since the 3rd sheet of paper is standing by at the conveyance roller 8 the 4th sheet of paper stops when the interval between this sheet and the 3rd sheet of paper comes to the prescribed distance 70 After this the procedure
159. ng extension cord may result in fire Do not use an extension cable reel with the cable taken up Fire may result 2 5 6 SAFETY AND IMPORTANT WARNING ITEMS 2 Installation Requirements Prohibited Installation Places WARNING Do not place the product near flammable materials or vola tile materials that may catch fire Q A risk of fire exists Do not place the product in a place exposed to water such as rain Q X A risk of fire and electric shock exists When not Using the Product for a long time WARNING When the product is not used over an extended period of time holidays etc switch it off and unplug the power g Dust collected around the power plug and outlet may cause fire Ventilation NCAUTION The product generates ozone gas during operation but it will not be harmful to the human If a bad smell of ozone is present in the following cases ventilate the room a When the product is used in a poorly ventilated room b When taking a lot of copies c When using multiple products at the same time Fixing N CAUTION sure to lock the caster stoppers In the case of an earthquake and so on the product may aD slide leading to a injury S 7 SAFETY AND IMPORTANT WARNING ITEMS 3 Servicing Inspection before Servicing CAUTION
160. ngly the separation roller stops and the lower side paper 2 in contact with the separation roller is not conveyed bizhub 501 421 361 lt p S 2 E B x 50gat2c106na 1 Feed roller 5 Spring 2 2nd sheet of paper 6 Torque limiter 8 Driven rotation Separation roller 4 Pressing B Paper conveyance direction 15 3 4 Paper empty control The paper empty of the tray is detected by the paper empty sensor BP PS18 57 16 REGISTRATION SECTION Theory of Operation Ver 2 0 Mar 2009 16 REGISTRATION SECTION 16 4 Composition Registration roller bizhub 501 421 361 Loop roller 50gat2c021na lt 2 a 28 Theory of Operation Ver 2 0 2009 16 REGISTRATION SECTIO 16 2 Drive 2 zt o re 2 N a zi 50gat2c022na Iw i 1 Registration roller 4 Loop roller 2 Feed motor M9 5 1 3 Loop clutch CL2 6 Registration clutch 20 16 REGISTRATION SECTION Theory of Operation Ver 2 0 Mar 2009 16 3 Operation 16 3 1 Loop control A Registration path Paper fed from the tray 1 10 the tray 2 8 the by pass tray 6
161. ns OFF a specified period of time after that At this time since paper is being conveyed for a specified period of time after being hit against the registration roller a loop 4 is formed and a paper skew is cor rected The print signal 5 turns ON the registration clutch CL1 to transmit the driving force of M9 to the registration roller At this time CL2 also turns ON to drive the loop roller for a loop assist 7 When PS1 detects the trailing edge of paper and turns OFF 8 CL1 also turns OFF a specified period of time after that to complete the registration operation However CL2 keeps tuning ON to conduct a loop formation 9 of the next paper After that the same operations are repeated When PS1 detects the trailing edge of the last paper and turns OFF 11 M9 and CL2 also turn OFF a Specified period of time after that to complete a series of registration operations zt a N a 1 2 BIS 7 8 10 11 Feed motor M9 lt Registration sensor PS1 6 Loop clutch CL2 Registration clutch CL1 4 6 9 50gat2c056na 1 Print start signal B Detection of the trailing edge of the 1st 2 Conveyance of the 1st paper paper 3 Detection of the leading edge of 1st paper 9 Loop formation of the 2nd paper 4 Loop formation of the 1st paper 10 Print signal for the 2nd paper 5 Print signal for the 1s
162. nt When the AE print is selected e e ES N EU des N 5 4 B 2 1 5 i 6 7 8 50gat2c037na 5 g 1 Exposure unit stand by position 5 scan range Ix 2 Position at which the image read is started 6 Shading correction position 1 2 3 gt Scanner home sensor PS30 7 Shading correction position 2 5 i 4 Position at which the running up of the B Exposure lamp L1 ON exposure unit is started E When the manual print is selected 5 6 7 50gat2c036na 1 Exposure unit stand by position 5 Shading correction position 1 2 Position at which the image read is started 6 Shading correction position 2 3 Scanner home sensor PS30 Exposure lamp L1 ON 4 Position at which the running up of the exposure unit is started Note When the tray 1 is selected by manual not by APS no shading correction is made 75 bizhub 501 421 361 ES 5 6 SCANNER SECTION Theory of Operation Ver 2 0 Mar 2009 2 When DF is used when DF is closed 50gat2c038na 1 Exposure unit stand by position 4 gt Shading correction position 1 2 gt Scanner home sensor PS30 5 gt Shading correction position 2 3 DF read position 6 Exposure lamp L1 ON 16 Theor
163. ntal decision is made based on a value measured by the sensor lt S 2 E B x 87 bizhub 501 421 361 ES 5 21 88 IMAGE STABILIZATION CONTROL Theory of Operation Ver 2 0 Mar 2009 21 2 2 Image stabilization control flow while in the print and the idle The following shows the image stabilization control flow while in the print and the idle Every 20 prints v Start of print v A Toner density control v B Developing potential adjustment control v End of print lt Stand by Dot diameter adjustment control A Toner density control 1 Method e Output value obtained through the TCR adjustment which is performed after developer replacement is used as the base Toner density in the developing unit is always detected with the TCR sensor The detected TCR sensor out put value is compared with the base value and if it is lower than the base toner supply is started B Developing potential adjustment control 1 Purpose Because of developer and photosensitive material being deteriorated due to durability it becomes difficult to secure the stable amount of toner on the photosensitive material For that reason calculate the correction amount based on the machine inside temperature and the time p
164. nveyance Guides Lw 77 5 OPERATIONS Theory of Operation Ver 1 0 May 2008 5 6 Paper guide When a bundle papers 15 fed onto the tray the Paper Guide supports the leading edge of the paper of a large size so as to prevent it from pushing the trailing edge of the paper that has previously been fed out The Paper Guide is driven only when paper with a length of 257 mm or more will be stored The Paper Guide advances when the Entrance Sensor PS4 of FS is OFF and retracts when the trailing edge of the paper passes the Exit Sensor PS20 SD 507 5 6 1 Paper guide mechanism The Paper Guide Motor M13 3 drives the Paper Guide 2 The Paper Guide Home Sensor PS23 1 is used to control the home position of the Paper Guide lt S a z 4511t2c011na 1 Paper Guide Home Sensor PS23 3 Paper Guide Motor M13 2 Paper Guide 12 Theory of Operation 1 0 May 2008 5 OPERATIONS 5 7 Tray paper detection When paper is fed onto the tray it pushes the actuator which causes the Tray Empty Sensor PS21 1 to detect the paper SD 507 4511t2c012na 1 Tray Empty Sensor PS21 lt S 2 a 13 5 OPERATIONS Theory of Operation 1 0 May 2008 SD 507 lt 6 ES 5
165. od and list of error codes their causes operation when a warning is issued and esti mated abnormal parts APPENDIX Parts layout drawings connector layout drawings timing chart overall layout drawing This section gives as information required by the CE at the site or at the customer s premise a rough outline of the service schedule and its details maintenance steps the object and role of each adjustment error codes and supplementary information The details of items with an asterisk are described only in the service manual of the main body C 2 Notation of the service manual A Product name In this manual each of the products is described as follows 1 IC board Standard printer 2 bizhub 501 421 361 Main body 3 Microsoft Windows 95 Windows 95 Microsoft Windows 98 Windows 98 Microsoft Windows Me Windows Me Microsoft Windows NT 4 0 Windows NT 4 0 or Windows NT Microsoft Windows 2000 Windows 2000 Microsoft Windows XP Windows XP Microsoft Windows Vista Windows Vista When the description is made in combination of the OS s mentioned above B Brand name The company names and product names mentioned in this manual are the brand name or the registered trademark of each company Windows 95 98 Me Windows NT 4 0 2000 Windows NT 2000 XP Windows 95 98 Me NT 2000 XP C Electrical parts and signals Those listed by way of example below are not exhaustive but only some instances among
166. of Operation 1 0 May 2008 5 OPERATIONS 5 4 Staple guide The Staple Guide is used to guide the leading edge of the first sheet of paper when the first sheet of paper is stored thereby preventing the leading edge from contacting the Stapling Unit and jamming 5 4 1 SD 507 Staple guide mechanism The Staple Guide Motor M14 3 turns the cams at the front and rear thereby moving the Staple Guide up or down The Staple Guide Home Sensor PS26 2 detects the position of the Staple Guide a 2 1 4511t2c008na 1 Cam 3 Staple Guide Motor M14 2 5 4 2 1 2 Staple Guide Home Sensor PS26 Operation timing Raising the Staple Guide power ON Sleep cancelled error reset paper removed from tray Lowering the Staple Guide When the conveyance of a bundle papers to the center stapling position is completed Raising the Staple Guide When the trailing edge of a bundle papers deactivates the Exit Sensor PS20 SD 507 lt 6 E 5 5 OPERATIONS Theory of Operation 1 0 May 2008 5 5 Half folding mechanism The Entrance Sensor PS4 2 of FS detects the trailing edge of the paper The paper feed amount is determined for each paper size as counted from the timing when the trailing edge is detected Half folding is effec
167. of the paper exit roller 21 FS 523 RU 507 lt p 6 5 5 OPERATION 22 Theory of Operation Ver 1 0 2008 5 2 6 Conveyance operation A Continuous copy in the staple mode in case of A4S 3 originals and 2 copies 7 The 1st paper 2 the 2nd paper 3 and the 3rd paper 4 of the 1st copy are conveyed to the handling tray 1 2 While in the conveyance of the last paper 7 of the 1st copy the 1st paper of the 2nd copy is conveyed 6 to the bypass route 2 3 4 5 N p Glo v Glo 9 4 1 452112c015na 1 Handling tray 5 1st paper of the 2nd copy 2 1st paper of the 1st copy 6 1st paper of the 2nd copy 3 2nd paper of the 1st copy 7 3rd paper of the 1st copy 4 paper of the 1st copy 3 The 1st paper 1 of the 2nd copy thus conveyed to the bypass route is switched back by the conveyance roller Lw 2 and the storage roller 8 and then it stops 4 The 1st paper 4 of the 2nd copy is overlapped with the 2nd paper 5 of the 2nd copy to be conveyed 4521t2c016na 1 1st paper of the 2nd copy 4 1st paper of the 2nd copy 2 gt roller Lw 5 2nd paper of the 2nd copy 3 Storage roller Theory of Operation 1 0 May 2008 5 OPERATIO 5 After completion of the stapling operation of the pa
168. on 1 0 2008 CONTENTS CONTENTS MT 502 OUTLINE 1 PRODUCT SPECIFICATIONS 1 2 PAPER PATH H RR 2 COMPOSITION OPERATION 3 4 5 5 1 Paper conveyance 5 5 2 Paper path selection 6 5 3 Paper detectiori ceci dira reser xe PER e eR CD 7 z lt S 5 2 i a 5 Theory of Operation Ver 1 0 2008 MT 502 OUTLINE E 4 gt 2 x Blank Page Theory of Operation 1 0 May 2008 1 PRODUCT SPECIFICATIONS B OUTLINE 1 PRODUCT SPECIFICATIONS 5 5 4 bins Mailbin available only for printing from Installation Screwed to the FS Number of Bins 4 bins Number of Sheets 2 Stored Bin 125 sheets 80 g m Storable Paper Plain Paper 56 to 90 g m Recycled paper 56 to 90 g m Metric A4 B5 8 x 11 Inch 8 2 x 11 5 x 865 Storable Paper Size B Maintenance Maintenance Same as the main body C Machine specifications Power Requirements 24V DC supplied from FS Dimensions 340 W x 509 D x 387 mm H Weight Approx 8 kg D Operating environment Temperature Same as the main body Humidity Same as the main
169. on the 4th sheet of paper At this time the 3rd sheet of paper is standing by on this side of the conveyance roller 3 bizhub 501 421 361 50gat2c070na 9 The 4th sheet of paper is turned over at the paper reverse exit section to be conveyed to ADU At this time the 3rd sheet of paper that has been standing by is fed again 70 After this the procedure of steps 7 to 9 is repeated x 50gat2c071na lt a S S 2 E a i a e 69 17 ADU SECTION Theory of Operation Ver 2 0 Mar 2009 C sheets self contained double sided print operation Note Afigure in the illustration shown in the square represents the page number 7 The 1st sheet of paper is fed and the image of the 2nd page the back side of the 1st sheet of paper when the original is double sided is printed bizhub 501 421 361 50gat2c072na 2 The 1st sheet of paper is conveyed to the paper reverse exit section and then conveyed to ADU 2 after being turned over At this time the 2nd sheet of paper is fed and the image of the 4th page the back side of the 2nd sheet of paper when the original is double sided is printed z E gt x 50gat2c073na 3 T
170. ouble sided is printed 5 With the 2nd sheet of paper fed while exiting the 1st sheet of paper the image of the 4th page the back side of the 2nd sheet of paper when the original is double sided is printed 6 After this the procedure of steps 2 to 5 is repeated Theory of Operation Ver 2 0 Mar 2009 17 ADU SECTION 2 sheets self contained double sided print operation Note A figure in the illustration shown in the square represents the page number 7 With the 1st sheet of paper fed the image of the Q 2nd page the back side of the 1st sheet of paper when the original is double sided is printed bizhub 501 421 361 50gat2c063na 2 The 1st sheet of paper is conveyed to the paper 2 gt reverse exit section and then conveyed to ADU after being turned over this time the 2nd sheet of paper is fed CO CO t z lt 5 5 2 E i a 50gat2c064na 3 The image of the 4th page the back side of the 2nd sheet of paper when the original is double sided is printed on the 2nd sheet of paper At this time the 1st sheet of paper is conveyed into ADU 50gat2c065na 67 bizhub 501 421 361 z E gt x 17 ADU SECTION
171. own control A Up drive operation The lift drive shaft 3 is rotated by the paper lift motors 1 M7 6 and 2 M8 7 The lift drive shaft is provided with the lift arm 1 and the lift plate 2 is pushed up when the lift drive shaft rotates In this way the up drive operation of the lift plate is conducted B Down drive operation Pulling out the tray disengages the coupling 8 of the paper lift motors 1 M7 and 2 M8 from the lift drive shaft In this way the driving force of M7 or that holds the lift plate at the upper position is released and the ift plate goes down by its own weight 6 7 50gat2c051na 1 Liftarm 6 Paper lift motor 1 M7 2 Lift plate Paper lift motor 2 M8 3 Lift drive shaft 8 Coupling 4 Tray set sensor 1 PS8 9 Upper limit sensor 1 PS6 5 Tray set sensor 2 PS14 Upper limit sensor 2 PS13 C Operation timing When the tray is set the tray set sensors 1 PS8 and 2 PS14 turn ON In this way the paper lift motors 1 M7 and 2 M8 turn ON to raise the lift plate When the lift plate goes up and the upper most paper that is loaded turns ON the upper limit sensors 1 PS6 and 2 PS13 M7 and M8 turn OFF to stop the up drive oper ation When the paper feed operation causes PS6 and PS13 to turn OFF from ON while in the print operation M7 and M8 turn ON again to raise the lift plate In this way when PS6 and PS13 turn ON again M7 and
172. p EL control A Purpose To neutralize a residual potential on the drum surface and to obtain a uniform potential on the drum surface the erase lamp EL is irradiated on the drum before charging B Execution timing The erase lamp EL turns ON in synch with the print start signal turning ON And it turns OFF a specified period of time after the fusing exit sensor PS3 detects the trailing edge of the last paper 27 10 TRANSFER SEPARATION SECTION Theory of Operation Ver 2 0 Mar 2009 10 TRANSFER SEPARATION SECTION 10 4 Composition bizhub 501 421 361 Plunging prevention plate Transfer wire Transfer exposure lamp TSL Separation wire 50gat2c008na lt 2 a 28 Theory of Operation Ver 2 0 Mar 2009 10 TRANSFER SEPARATION SECTION 10 2 Operation 10 2 1 Transfer guide control A Purpose To prevent the transfer guide plate from getting stained a minus DC voltage is impressed from the high volt age unit HV Voltage impressed 500 V bizhub 501 421 361 B Execution timing The impression of a voltage onto the transfer guide plate is made ON a specified period of time after the devel oping bias turns ON And it turns OFF a specified period of time after the developing bias turns OFF 10 2 2 Transfer separation control A Transfer The high voltage unit HV pressurizes a 24V DC to impress a plus DC voltage on the transfer
173. page Theory of Operation 1 0 May 2008 B OUTLINE 1 PRODUCT SPECIFICATION 1 PRODUCT SPECIFICATION 1 1 FS 523 A Type Type Multi staple finisher Installation Floor mounted type Document alignment Center Consumables Staples B Functions Mode Normal Non sort sort group sort staple Punch Non sort punch sort punch group punch sort staple punch C Type of paper Maximum load capacity 1 Straight 80 g m when loaded with paper of the same size 85 x 115 Foolscap 8K 1 16K 1 16KS 1 Type of paper Size of paper Weight Max capacity Exit tray Max number of sheets stapled Plain paper Inch 60 to 90 g m 250 sheets Sub tray Recycled paper A4 A4S Thick paper 11 17 8x14 91 to 210 g m 20 sheets 15 1 5 Thin paper PEs Tee eS 50 to 59 g m 85 x 5148 Foolscap OHP Metric transparencies 4 45 B5 55 2 A5S 65 Label paper 82x11 Letterhead 41 Only supported in Taiwan 2 Supported in other than inch area and Taiwan 02 N FS 523 RU 507 OUTLINE 1 PRODUCT SPECIFICATION 2 Non sort sort group Theory of Operation Ver 1 0 May 2008 Type of paper Size of paper Weight Max capacity Exit tray Max number of sheets stapled Plain paper R
174. per 11x17 8 x 11 8 x 115 8 x 14 5 x 8125 Foolscap 60 to 90 g m Main tray Sub tray c Inch holes Type of paper Size of paper Weight Max capacity Exit tray Max number of sheets stapled Plain paper Recycled paper 82x 11 11 x 17 60 to 90 g m Main tray Sub tray Theory of Operation 1 0 May 2008 1 PRODUCT SPECIFICATION D Stapling Staple filling method Dedicated staple cartridge 5000 staples 5 Staple detection Available near empty 20 remaining staples x Staple position 1 Rear Diagonal 45 1 point Metric A4 B5 Ed Front Diagonal 45 1 point Inch 812 x 11 11 x 17 d Rear Diagonal 28 1 point Metric BS x Front Diagonal 28 1 point Inch Rear Parallel 1 point Metric A4S B5S Front Parallel 1 poin Inch 8 x 115 8 5 x 14 Side 2 points Metric 4 45 B5 55 B4 Inch 8 x 11 81 x 118 82x 14 11 x 17 Manual staple None 1 In case of the 1 staple mode conduct a parallel and skew adjustment according to the length in the main scan direction Parallel main scan direction 182 to 216 mm Diagonal main scan direction 216 to 207 mm E Punch No of holes Inch 2 holes holes Metric 4 holes Punch scraps full detection None Maintenance Maintenance Same as the main bogy G Machine data
175. per 1 of the 1st copy the paper exit roller 2 is pres sured to exit the paper of the 1st copy At this time the moment the paper of the 1st copy is exited the 1s and the 2nd sheets of paper 3 of the 2nd copy are also conveyed in the main tray direction 6 After completion of the exit of the paper 6 of the 1st copy the pressure of the paper exit roller is released 7 and the paper exit roller 5 rotates in the reverse direction to convey the 1st and the 2nd sheets of paper 4 FS 523 RU 507 of the 2nd copy to the handling tray 6 1 EO JN RN 9 452112c017na 1 Paper of the 1st copy 4 1st and the 2nd sheets of paper of the 2nd 2 Pressure the paper exit roller copy 3 1st and the 2nd sheets of paper of the 2nd 5 Paper exit roller copy 6 7 Separation of the paper exit roller Paper of the 1st copy lt S 2 E B x 23 FS 523 RU 507 z E gt x 5 OPERATION Theory of Operation Ver 1 0 May 2008 24 5 3 Main tray section 5 3 1 Main tray up down mechanism The up down of the main tray is made by the normal reverse rotation of the tray lift motor M7 2 45212 018 1 Main tray upper limit LED LED19 4 Main tray upper limit sensor PS19 2 lift motor M7 5 Main tray reset sensor PS8 3 M
176. permission of the copyright owner When in doubt about the nature of an original consult with legal counsel Detail In order to prohibit the illegal reproduction of certain originals such as paper currency this machine is equipped with a counterfeit prevention feature Due to the counterfeit prevention feature that this machine is equipped with images may be distorted C 1 Composition of service manual This service manual consists of the following sections and chapters lt Theory of Operation section gt OUTLINE System configuration product specifications unit configuration and paper path COMPOSITION OPERATION Configuration of each unit explanation of the operating system and explanation of the control system This section gives as information for the CE to get a full understanding of the product a rough outline of the object and role of each function the relationship between the electrical system and the mechanical system and the timing of operation of each part lt Field service section gt OUTLINE System configuration and product specifications MAINTENANCE Service schedule maintenance steps list of service tools and directions for use firmware version up method and removal reinstallation methods of major parts ADJUSTMENT SETTING Utility mode service mode security and mechanical adjustment TROUBLESHOOTING List of jam codes their causes operation when a jam occurs and its release meth
177. port 1 USB TypeA USB port 2 USB TypeA USB port 4 USB TypeB Service port USB port 3 USB TypeA a0r5t2c001ca lt S 2 amp 20 2 Specifications Item Specifications Serial port RS 232C For CS Remote Care CF card slot System management for CF card CF card stored the following pro grams and the datas 7 MFP controller program Firmware 2 The datas Utility Administrator Setting Data Destination Storage Data CS Remote Care Setting Data All History Data that initial ized in the System 1 Initializa tion of the service mode HDD serial number 4 HDD model type RJ45 Ethernet connector Network connection Internet for ISW USB port 1 USB TypeA USB ISW For authentication device USB port 2 USB TypeA Biometric type AU 101 or IC card type AU 201 USB port 3 USB TypeA Scan to USB USB for print USB port 4 USB TypeB For the local connection when installed 703 Option Service port For the production adjustment This is not used in the field 84 Theory of Operation Ver 2 0 2009 21 IMAGE STABILIZATION CONTROL 21 IMAGE STABILIZATION CONTROL 21 1 Outline This machine employs various image stabilization controls to realize the top quality print image at all times The operation of the image stabilization control varies between while in the power switch SW2 O
178. prints on the touch Key counter KCT optional her copy operation can be removed Counting the designated number of prints allows no fur 1 For data collected See 10 6 Counter in Field service bizhub 501 421 361 Main body See P 199 50gat2c031nb 1 CN936 KCT connecting connector 2 Total counter TCT 108 bizhub 501 421 361 lt p 2 E a 23 OTHERS Theory of Operation 2 0 Mar 2009 B Coin vendor 2 Parallel The following shows the specifications of the connecting connector N x Connector Pin No Signal name Description Output timing Type of signal 36 1 M1 signal Output from the start L output while in the Open collec 2 key being turned ON print operation tor output N a up to the completion of paper exit 2 Paper feed signal Output each time L output each time paper is supplied from each tray paper is supplied Paper size signal 0 Signal output by paper sizes 1 When the paper size is changed Paper size signal 1 0 1 Paper size signal 2 3 Paper size signal 3 Double sided print Signal output while in While in the selection z selection signal the double sided print of the double sided print amp 8 signal
179. r publication of this service manual the parts and mechanism may be subject to change for improvement of their performance Therefore the descriptions given in this service manual may not coincide with the actual machine When any change has been made to the descriptions in the service manual a revised version will be issued with a revision mark added as required Revision mark To indicate clearly a section revised is shown at the left margin of the revised section The number inside represents the number of times the revision has been made To indicate clearly page that contains the revision is shown near the page number of the corresponding page The number inside A represents the number of times the revision has been made NOTE Revision marks shown in a page are restricted only to the latest ones with the old ones deleted When a page revised in Ver 2 0 has been changed in Ver 3 0 The revision marks for Ver 3 0 only are shown with those for Ver 2 0 deleted When a page revised in Ver 2 0 has not been changed in Ver 3 0 The revision marks for Ver 2 0 are left as they are 2008 05 1 0 Issue of the first edition Date Service manual Ver Revision mark Descriptions of revision Theory of Operation 1 0 2008 CONTENTS CONTENTS PC 206 9 OUTLINE 1 PRODUCT SPECIFICATIONS cccccccssssccessseccessceccesseeccsseeecessesecesseesesaeesessaeess 1 2 P
180. r shading correction 2 places on the white reference board are read for correc tion The home position search varies according to the ON OFF condition of the scanner home sensor 530 when SW2 is turned ON 1 Home position search while in PS30 ON 3 4 5 50gat2c034na 1 Exposure unit stand by position 4 gt Shading correction position 2 2 Scanner home sensor PS30 5 gt Movement of the exposure unit 3 Shading correction position 1 6 X Exposure lamp L1 ON 2 Home position search while in PS30 OFF 2 1 Y Y 1 1 6 2 5 1 1 i 50gat2c035na 1 Exposure unit stand by position 4 Shading correction position 2 2 Scanner home sensor 530 5 Movement of the exposure unit 3 Shading correction position 1 6 Exposure lamp L1 ON Theory of Operation Ver 2 0 2009 6 SCANNER SECTION B Operation when the start key is turned ON For the original read mode the following two types are available the platen mode and the DF mode While in the platen mode the exposure unit scans the original for reading And while in the DF mode since DF conveys the original the exposure unit remains at the prescribed position DF read position to read the original 1 When the platen is used when DF is opened The operation in the platen mode varies depending on which is selected for the print density the AE print and he manual pri
181. ration Ver 2 0 2009 22 IMAGE PROCESSING 22 1 3 Area discrimination To make a copy of the original under the correct condition to make a correct filter processing check the read section to see if it is a character or a dot picture and use the results at the image processing unit at the later stage 22 1 4 Brightness density conversion The signal obtained after the shading correction is a signal corresponding to the light reflected from the original and this is generally called a brightness signal In this brightness density conversion section the brightness sig bizhub 501 421 361 nal is converted in density as shown in the graph below 255 Density lt p S E B x 0 Brightness 1024 50gat2c094na 93 22 IMAGE PROCESSING Theory of Operation Ver 2 0 Mar 2009 22 1 5 Filter magnification Filter processing An appropriate filter processing is made according to the type of an original and the magnification selected 1 Character Make the shading of an original conspicuous 2 Dot section Suppress moire 2 3 Picture Increase the reproducibility of gradation B Magnification processing For this machine the sub scan direction magnification is made by the scan speed of the exposure unit platen mode or by the conveyance speed of the DF DF mode and the main scan direction magnification is made by processing imag
182. rvice manual may not coincide with the actual machine When any change has been made to the descriptions in the service manual a revised version will be issued with a revision mark added as required Revision mark To indicate clearly a section revised is shown at the left margin of the revised section The number inside represents the number of times the revision has been made To indicate clearly page that contains the revision is shown near the page number of the corresponding page The number inside A represents the number of times the revision has been made NOTE Revision marks shown in a page are restricted only to the latest ones with the old ones deleted When a page revised in Ver 2 0 has been changed in Ver 3 0 The revision marks for Ver 3 0 only are shown with those for Ver 2 0 deleted When a page revised in Ver 2 0 has not been changed in Ver 3 0 The revision marks for Ver 2 0 are left as they are 2008 05 1 0 Issue of the first edition Date Service manual Ver Revision mark Descriptions of revision Theory of Operation 1 0 2008 CONTENTS CONTENTS DF 613 a OUTLINE 1 PRODUCT SPECIFICATIONS 2 PAPER PATH ETE 24 In 1 5 uia aiti 4 2 2 In2 sided 4 COMPOSITION OPERATION 3 4 5 5 5 1 Documen
183. sor PS16 21 5 OPERATIONS Theory of Operation 1 0 May 2008 5 3 Stacker section 5 3 1 Paper aligning mechanism sub scan direction Sheets of paper are aligned properly and stapled together inside the stacker section before being fed out onto the corresponding tray Inthe Sort Group Staple or Half Fold Fold 8 Staple mode each copy set is stored in the Stacker with the Upper Exit Roller separated from the Lower Exit Roller The Stacker Sensor PS8 detects paper in the Stacker The Stacker Paddle and Aligning Belt are driven when the Exit Motor M1 is rotated in reverse FS 522 PU 501 OT 602 A Operation 1 The paper fed out from the main body is held downward by the Drop Lever 7 and dropped down into the Stacker by the Intermediate Conveyance Roller 2 4 2 The paper dropped into the Stacker is pressed against the Paper Stopper 5 by the Paddle 3 and Aligning Belt 1 so that it is aligned properly in the sub scan direction lt 6 S 5 4 lt gt 7A 4349t2c013na 1 Aligning Belt 5 Paper Stopper 2 Exit Motor M1 6 Stacker sensor PS8 3 Stacker Paddle 7 Drop Lever 4 Intermediate Conveyance Roller 2 22 Theory of Operation 1 0 May 2008 5 OPERATIONS 5 3 2 Paper aligning mechanism main scan direction Aligning Plates are moved and the Paddle is rotated so as to align the paper
184. specified period of time after PS1 turns OFF 15 FS 523 RU 507 z lt I S 2 E B x FS 523 RU 507 z E gt x 5 OPERATION 76 5 2 4 switched back 10 other Main tray handling tray conveyance mechanism Theory of Operation Ver 1 0 May 2008 The conveyance motor Lw M2 7 drives the conveyance roller Lw 1 and the intermediate conveyance roller 9 to convey paper in the main tray direction 4 When rotating M2 in the reverse direction paper is The switch back is made for the 1st paper of each of the 2nd and succeeding copies when printing contin uously 2 or more copies in the staple mode to convey the 1st and the 2nd sheets of paper overlapped each The paper exit motor M3 6 drives the paper exit roller 2 to convey paper in the main tray direction When rotating in the reverse direction paper is conveyed 3 to the handling tray 8 The paper conveyance to the handling tray is made while in the staple mode 4521t2c009na 1 2 IS 4 5 Conveyance roller Lw Paper exit roller Conveyance to the handling tray Main tray paper exit direction Paper 6 7 8 9 10 Paper exit motor Conveyance motor Lw M2 Handling tray Intermediate conveyance roller Switch back direction Theory of Operation 1 0 May 2008 5
185. st edition Date Service manual Ver Revision mark Descriptions of revision Theory of Operation 1 0 2008 CONTENTS CONTENTS ES FS 523 RU 507 D OUTLINE 1 PRODUCT SPECICATION cedex 04054 ced dues a Res REPE RR eed 1 Toh ERBEN bee ea bok 1 BUOY uas FREE OHS 4 ces teehee 5 COMPOSITION OPERATION Os GOMROSMION rrr 7 A DRIVE EE 8 A aurei pied aus 8 Erde a au ada p wedge d 9 5 OPERATION chee RR c Redu dg qoia d PESCA RR d PesacdEreGdaderrRea ries 10 5 1 RU conveyance SOCION cesa s sese ade ee Leas PEERS EAT we bE beatae 10 5 11 Conveyance mechani Msi uer xad sema 10 5 2 FS CONVEYANCE sectiol sesso ews ame wa Y edle d reca P ok Eae e e 11 6 521 Entrance conveyance mechanism aliis e bend d xk he ee ee 12 5 5 2 2 GALS mechanism Gah al diet dade 1
186. t When the last paper turns ON PS2 SD1 turns ON to bring down 7 the lift plate Feed motor M9 Registration sensor PS1 Vertical conveyance sensor PS2 Pick up solenoid BP SD1 Feed clutch BP CL6 Vertical conveyance clutch CL3 50gat2c102na 1 Print start signal ON 5 Paper feed request signal 2 Lift plate goes up 6 Pick up of the 2nd paper 3 Pick up of the 1st paper 7 Lift plate goes down 4 Vertical conveyance of the 1st paper B Vertical conveyance of the 2nd paper Theory of Operation Ver 2 0 Mar 2009 15 BYPASS SECTION B Separation mechanism The separation roller 7 is pressed against the feed roller 1 by the operating pressure generated by the pres sure 4 of the spring 5 and the torque of the torque limiter 6 This operating pressure of the feed roller sepa ration roller and torque limiter becomes a limit torque to prevent the double feed of paper When there is no paper between the separation roller and the feed roller or when only one sheet of paper is con veyed the operating pressure of the feed roller the paper and the spring is in excess of the limit torque and therefore the separation roller rotates 8 following the rotation of the feed roller When two or more sheets of paper are conveyed between the separation roller and the feed roller the limit orque is greater than the frictional force between 2 sheets of paper and accordi
187. t paper 11 Detection of the trailing edge of the last 6 1st paper registration roller ON paper 7 Loop assist of the 1st paper and convey ance of 2nd of paper 67 Theory of Operation 2 0 Mar 2009 17 ADU SECTION Conveyance roller 1 T Conveyance roller 2 17 ADU SECTION 17 1 Composition 50gat2c023na V9 Lcv Los qnuziq 0 62 Theory of Operation 2 0 2009 17 2 Drive 17 ADU SECTIO 5 50gat2c024na 1 2 ADU conveyance clutch Up 7 Conveyance roller 1 ADU conveyance clutch Lw CL8 4 5 6 Conveyance roller 2 Conveyance roller 3 Feed motor M9 63 bizhub 501 421 361 z lt S 2 7 x 17 ADU SECTION Theory of Operation Ver 2 0 Mar 2009 17 3 Operation 17 3 1 Conveyance path Paper the one side of which has been printed is conveyed to ADU by the reverse roller 12 The paper conveyed to ADU is also conveyed to the loop roller 6 the registration roller 7 and the drum 8 by the conveyance rollers 1 2 2 8 and 3 5 and the other side is printed Paper both sides of which has been printed passes through t
188. t pick up mechanism essent nnne rennen 7 5 5 1 1 her rae ERR RE 7 5 5 2 Document feed conveyance mechanism 8 5 3 Raised lowered position detecting mechanism seen 12 5 5 3 1 DF 15 open close detection mechanism 5 3 2 DF open close detection mechanism 5 Theory of Operation Ver 1 0 2008 DF 613 OUTLINE z E Q gt 2 x Blank Page Theory of Operation 1 0 May 2008 B OUTLINE 1 PRODUCT SPECIFICATIONS 1 PRODUCT SPECIFICATIONS A Type Name Reverse Automatic Document Feeder Paper Feed Paper Feed from top of stack Type Turnover Switch back system Paper Exit Straight exit system Installation Screw cramp to the main unit Document Alignment Center Document Loading Left image side up B Functions Modes 1 Sided Mode 2 Sided Mode C Paper type Type of Document Standard Mode Plain Paper 1 Sided Mode 35 to 128 g m 9 25 to 34 Ibs 2 Sided Mode 50 to 128 g m 13 25 to 34 105 Mixed Original Detection Mode 1 Sided 2 Sided Mode 50 to 128 g m 13 25 to 34 Ibs Detectable Document
189. t plate of the tray down 77 5 OVERALL CONFIGURATION Theory of Operation Ver 2 0 Mar 2009 5 2 Control block diagram bizhub 501 421 361 Write Section lt 5 2 E e t a 8 Gye en abo cta JS 1 em 0 lt gt 3 41 5 6 I 1 mage bus 4 Other buses 2 gt Clock synchronous serial bus 5 Individual signal line 3 UART bus 6 SATA Theory of Operation 2 0 Mar 2009 6 SCANNER SECTION 6 SCANNER SECTION 6 1 Composition bizhub 501 421 361 CCD unit Mirror unit CCDB Exposure unit Shading correction plate 50gat2c001na 6 2 Drive z lt p S 2 E x 50gat2c002na 1 Scanner wire Rr 4 Exposure unit 2 Scanner wire Fr 5 gt Scanner motor 2 3 V mirror unit 13 bizhub 501 421 361 z E gt 2 D x 6 SCANNER SECTION Theory of Operation Ver 2 0 Mar 2009 74 6 3 Operation 6 3 1 Scan exposure lamp control A Operation when the power is turned ON A specified period of time after the power switch SW2 is turned on the exposure unit conducts the home posi tion search At this time the exposure unit conducts the shading correction based on the white reference board attached to the original glass Fo
190. ted as follows Specifically the paper under goes a switchback operation and is conveyed to the half folding position as the motor is turned backward The Half Folding Blade 3 is lowered and the center of the paper is pinched between the Folding Rollers and this creates a crease in the paper After the half folding the paper is conveyed by the Conveyance Roller 7 and then the Reg istration Roller 1 as they are driven in that order oh 6 2 70 451112 009 1 Registration Roller 5 Folding Motor M10 2 Entrance Sensor PS4 6 Conveyance Sensor PS5 3 Half Folding Blade 7 Conveyance Roller 4 Folding Roller Home Sensor PS22 Theory of Operation 1 0 May 2008 5 OPERATIONS 5 5 1 Operation When the Folding Motor M10 is energized for one cycle of operation the Conveyance Guides Lw 2 are retracted to the right and left and the Half folding Blade 3 makes one up and down reciprocating motion In synchronism with the sequence of these operations the Folding Roller 1 turns one complete turn to pull the paper downward at its center Atthe same time that the Conveyance Guides Lw returns to their original position the Half folding Blade goes up SD 507 COMPOSITION OPERATION E 4511t2c010na 1 Folding Roller 3 Half folding Blade 2 Co
191. th the actual machine When any change has been made to the descriptions in the service manual a revised version will be issued with a revision mark added as required Revision mark To indicate clearly a section revised is shown at the left margin of the revised section The number inside represents the number of times the revision has been made To indicate clearly a page that contains the revision is shown near the page number of the corresponding page The number inside A represents the number of times the revision has been made NOTE Revision marks shown in a page are restricted only to the latest ones with the old ones deleted When a page revised in Ver 2 0 has been changed in Ver 3 0 The revision marks for Ver 3 0 only are shown with those for Ver 2 0 deleted When a page revised in Ver 2 0 has not been changed in Ver 3 0 The revision marks for Ver 2 0 are left as they are 2009 03 2 0 Revision due to addition of a new optional unit LK 2008 05 1 0 Issue of the first edition Date Service manual Ver Revision mark Descriptions of revision Theory of Operation Ver 2 0 2009 CONTENTS CONTENTS bizhub 501 421 361 OUTLINE 1 SYSTEMCONFIGURATION op ettet RR ee Seated yee et 1 2 PRODUCT SPECIFICATIONS ccc eere epi at te A TURN ERE ERR wae 4 8 UNIT CONFIGURATION e e e em e lh e ee nns 8 aJ c ur 9 COMP
192. time after the fusing cooling fans Fr FM2 and Rr FM8 turn ON Note When the power switch SW2 turns OFF due to the occurrence of a jam or when the interlock switch MS is turned OFF by opening ADU the power supply to each fan is shut off and even if it is within a specified period of time the fan turns OFF However when SW2 and MS are turned ON within a specified period of time FM2 and 8 turn ON again Theory of Operation 2 0 Mar 2009 18 FUSING SECTION C Fusing cooling path The air inside the machine is sucked in by the fusing cooling fans Fr 2 6 and Rr FM8 1 to be blown against the edges of the fusing roller 8 through the ducts 2 and 5 In this way the edges of the fusing roller are cooled down and the surface temperature of the edges of the fusing pressure roller 4 that is in contact also goes down 5 p N a lt p i 50gat2c082na gt zh 1 Fusing cooling fan Rr 4 Fusing pressure roller 2 Duct 5 Duct 8 3 Fusing roller 6 Fusing cooling fan Fr FM2 18 3 5 Envelope conveyance mechanism When printing envelopes to prevent the occurrence of paper crease due to the thickness of paper it is possible to switch the nip pressure of the fusing roller and the fusing pressure roller The nip pressure is manually switched by the envelope lever 1 Lu Ww ayant 50gat2c083na
193. to the reverse roller 4 In this manner paper conveyed from the fusing exit roller decurler roller 2 is guided to the main body paper exit roller 3 along the internal form of the reverse gate to be exited 1 50gat2c085na 1 Reverse gate 3 Main body paper exit roller 2 Fusing exit roller decurler roller 4 Reverse roller Theory of Operation 2 0 2009 19 REVERSE EXIT SECTIOI 2 Reverse path While in the double sided print the reverse solenoid SD3 turns ON when the print on the back side is com pleted and the reverse gate 1 is switched in the direction in which the conveyance path to the reverse roller 4 is opened In this way paper conveyed from the fusing exit roller decurler roller 2 is guided to the reverse roller along the external form of the reverse gate bizhub 501 421 361 50gat2c086na 1 Reverse gate B Main body paper exit roller lt p S 2 7 x 2 Fusing exit roller decurler roller 4 Reverse roller 81 bizhub 501 421 361 ES 5 82 19 Theory of Operation Ver 2 0 2009 19 3 2 Reverse control Switch back mechanism While in the double sided print paper that passes through the reverse gate 3 is
194. trance conveyance mechanism nism 71 FS 523 RU 507 ES 5 5 Theory of Operation 1 0 2008 72 5 2 1 Entrance conveyance mechanism The driving force of the entrance conveyance motor M1 4 rotates the entrance roller 1 to convey 8 paper 2 into FS 4521t2c005na 1 2 2 B gt Paper conveyance direction Paper 4 Entrance conveyance motor M1 Control Sub tray paper exit When the FS start signal turns ON the entrance conveyance motor M1 turns ON And it turns OFF a specified period of time after the sub tray exit sensor PS1 detects the trailing edge of the last paper Sort staple When the FS start signal turns ON M1 turns ON And it turns OFF a specified period of time after the inter mediate conveyance sensor PS3 detects the trailing edge of the last paper Theory of Operation 1 0 2008 5 OPERATION 5 2 2 Gate mechanism e On the conveyance path the following 2 types of gates are provided the bypass gate 6 and the main gate 3 The bypass gate is driven by the bypass gate solenoid SD1 5 The main gate is driven by the main gate solenoid SD2 2 ES x N lt 4 4521t2c006na 1 Paper 4 Paper conveyance direction
195. ts image is created The vein pattern image is registered and a person can be identified if the person s vein pattern matches the regis tered one at the time of user authentication bizhub 501 421 361 Ultra red LED Vein image Camera Authentication unit AU 101 Vein 2 256 lt 4 2 23 4 2 Authentication unit card AU 201 A non contact IC card such as an employee ID card is used for personal identification e The system supports the communications protocol in compliance with Type A Type B and Felica Type C of ISO14443 e Only Felica and Type A cards can be used for bizhub 501 421 361 machines Simply placing the IC card on the authentication unit will let the unit read the data from the card Abcde Fgdhi ABCDE Co Non contact IC card Authentication unit AU 201 AOOHT2C302AA 107 23 OTHERS Theory of Operation 2 0 Mar 2009 bizhub 501 421 361 6 ES 5 108 eS KONICA MINOLTA SERVICE MANUAL DF 613 2008 05 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Ver 1 0 Revision history After publication of this service manual the parts and mechanism may be subject to change for improvement of their performance Therefore the descriptions given in this se
196. urer s instructions German VORSICHT Explosionsgefahr bei unsachgemaBem Austausch der Batterie Ersatz nur durch denselben oder einen vom Hersteller empfohlenen gleichwertigen Typ Entsorgung gebrauchter Batterien nach Angaben des Herstellers France ATTENTION Il y a danger d explosion s il y a remplacement incorrect de la batterie Remplacer uniquement avec une batterie du m me type ou d un type quivalent recom4 mand par le constructeur Mettre au rebut les batteries usag es conform ment aux instructions du fabricant Denmark ADVARSEL Lithiumbatteri Eksplosionsfare ved fejlagtig handtering Udskiftning ma kun ske med batteri af samme fabrikat og type Lev r det brugte batteri tilbage til leveranderen Finland Sweden VAROITUS Paristo voi rajahtaa jos se on virheellisesti asennettu Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin k ytetty paristo valmistajan ohjeiden mukaisesti VARNING Explosionsfara vid felaktigt batteribyte Anv nd samma batterityp eller en ekvivalent typ som rekommenderas av apparat tillverkaren Kassera anv nt batteri enligt fabrikantens instruktion Norway ADVARSEL Eksplosjonsfare ved feilaktig skifte av batteri Benytt samme batteritype eller en tilsvarende type anbefalt av apparatfabrikanten Brukte batterier kasseres i henhold til fabrikantens instruksjoner S 12 SAFETY INFORMATION SAFETY INFORMATION IMPORTANT NOTICE
197. ures of the thermistors 1 TH1 and 2 TH2 go down in a moment more than the prescribed temperature this is considered as a wind up jam and the operation of the main body is stopped with a message shown in the touch panel Theory of Operation Ver 2 0 Mar 2009 19 REVERSE EXIT SECTION 19 REVERSE EXIT SECTION 19 1 Composition Exhaust fan Rr FM9 Exhaust fan Fr FM3 bizhub 501 421 361 Reverse gate Reverse roller Reverse gate Reverse solenoid SD3 50gat2c027na 19 2 Drive lt S 2 a 4 1 50gat2c028na 1 Reverse motor 8 Reverse gate 2 Reverse solenoid 503 4 Reverse roller 79 bizhub 501 421 361 ES 5 80 19 Theory of Operation 2 0 Mar 2009 19 3 Operation 19 3 1 Conveyance control A Reverse gate The reverse gate is driven by the ON OFF of the reverse solenoid 503 Paper conveyed from the fusing section is switched by the reverse gate between the paper exit section and the reverse section B Conveyance path 1 Paper exit path The reverse solenoid 503 is normally turned OFF and the reverse gate 1 is held in the position in which it blocks the conveyance path
198. ver is very hot Finisher FS 522 To avoid getting burned DO NOT TOUCH 50gap0e001nb SAFETY INFORMATION CAUTION CAUTION ATTENZIONE 7 4 N L PRECAUCION N onsem E E 7 4 A VORSICHT 2912 CUIDADO A PRECAUCION ACAUTION SY 477 This area is very hot avoid getting burned DO NOT TOUCH CAUTION ACAUTION 2 ATTENTION 2 VORSICHT a PRECAUCION PRECAUCION gt ATTENZIONE ACUDADO CAUTION To avoid injury DO NOT put your hand on the top of the printed sheets Be sure to hold both sides of the printed sheets when removing them and DO NOT leave your hand on the printed sheets while the tray 2 primary tray goes up A ATTENTION Finisher FS 523 50gap0e002nb CAUTION You may be burned or injured if you touch any area that you are advised by any caution label to keep yourself away from Do remove caution labels And also when caution label is peeled off soiled and cannot seen clearly replace it with a new caution label MEASURES TAKE IN CASE OF ACCIDENT MEASURES TO TAKE IN CASE OF AN ACCIDENT 1 If an accident has occurred the distributor who has been notified first must immediately take emergency measures to provide relief to affecte
199. when the 8 2 Main gate solenoid 502 bypass gate solenoid SD1 turns ON and 8 Main gate the main gate solenoid SD2 turns ON 5 Bypass gate solenoid 501 6 Bypass gate 13 FS 523 RU 507 z E gt 2 x 5 OPERATION Theory of Operation Ver 1 0 May 2008 A Operation The paper conveyance path of the bypass gate 1 is switched over in the bypass route direction 2 when the bypass gate solenoid SD1 turns OFF and switched over in the main gate direction 10 when it turns ON The paper conveyance path of the main gate 9 is switched over in the main route direction 4 when the main gate solenoid SD2 turns OFF and switched over in the sub tray route direction B when SD2 turns ON The paper conveyance to the bypass route is used when conveying each of the 1st sheets of paper of the 2nd and succeeding copies in the staple mode to increase the handling capacity of paper even while in the stapling operation Conveyance path SD1 SD2 Sub tray ON ON Main tray ON OFF Bypass route OFF 10 A K 4521t2c007na 1 Bypass gate 6 Main route conveyance sensor PS4 2 Bypass route Sub tray exit sensor PS1 3 Bypass route conveyance sensor PS2 B Sub tray route 4 Main route 9 Main gate 5 Intermediate conveyance sensor PS3 10 Main gate direction conveyance path B
200. wire for dis charging Transfer DC output range to 450 B Separation For separation an AC high voltage and a minus DC voltage are employed The high voltage unit HV impresses a voltage onto the separation wire for discharging Separation AC output range 300 to 1000 Separation DC output range to 200 lt p S E B x 10 2 3 Transfer exposure lamp TSL control A Purpose The transfer exposure lamp TSL is turned ON to secure transferability and prevent a reverse charge to the drum B Execution timing The transfer exposure lamp TSL turns ON a specified period of time after the registration clutch CL 1 turns ON And it turns OFF a specified period of time after the registration sensor PS1 turns OFF 29 11 DEVELOPING UNIT Theory of Operation Ver 2 0 Mar 2009 11 DEVELOPING UNIT 11 4 Composition Developing roller Developer restriction blade bizhub 501 421 361 TCR sensor TCRS Agitator screw Agitator plate 50gat2c009na lt S 2 90 Theory of Operation Ver 2 0 Mar 2009 11 DEVELOPING UNIT 11 2 Drive VE Mi 2 50gat2c010na 1 Drum 4 Agitator screw 2 Developing roller 5 Developing unit 8 Developing motor 6 Agitator plate 37 bizhub 5
201. x8 S Other 11x17 originals 8 e x 11 Em 82x 14 A 8 x 115 5 x Ble e e 51 x 885 X X X X X A Same size Same group Different group X Mix prohibited No need to set G Maintenance Maintenance Same as the main body H Machine data Power Requirements 24V DC 10 supplied from the main body Max Power 48 W or less Consumption Dimensions 582 W x 558 D x 145 mm H Weight Approx 10 kg l Operating environment Temperature 10 to 30 C Humidity 10 to 80 RH with no condensation NOTE These specifications are subject to change without notice eo DF 613 OUTLINE 2 PAPER PATH 2 PAPER PATH 2 1 In 1 sided mode Theory of Operation Ver 1 0 May 2008 1 16eat1c001na 1 Exit 3 2 Conveyance and turnover 2 2 In 2 sided mode Feed Scanning the 1st side 16eat1c002na 1 Exit 3 2 Conveyance and switchback Feed Scanning the 1st side Conveyance and turnover Scanning the 2nd side Conveyance Theory of Operation 1 0 May 2008 3 COMPOSITION B COMPOSITION OPERATION 3 COMPOSITION DF 613 Document feed section Conveyance section Switchback section Document
202. y of Operation Ver 2 0 2009 6 SCANNER SECTION 6 3 2 Original size detection control A Detection method The original size detection method varies for the DF mode and the platen mode 1 DF mode See DF 613 Service Manual bizhub 501 421 361 2 Platen mode Main scan direction Reading is made by the CCD sensor e Sub scan direction Detection is made according to the ON OFF of the APS sensor PS32 Original size CCD sensor PS32 Detection length mm ON OFF 297 ON 11 17 279 4 4 257 z 8 b x 14 1 215 9 ON 88 x 115 215 9 ON 45 210 ON 4 297 5 8 5 x 11 279 4 OFF BS 257 OFF 8 5 210 OFF 55 182 OFF AS 148 OFF 51 2 x 8 b 139 7 OFF B6 128 OFF 1 No discrimination is made between 8 x 14 8 7 x 118 When the size is 87 x 14 this is detected as 82x 115 B Detection timing 1 Platen mode while in DF closed When the APS timing sensor PS31 turns on while in DF closed the original size is detected 2 Platen mode while in DF open When the start key is pressed the original size is detected 17 6 SCANNER SECTION Theory of Operation Ver 2 0 Mar 2009 6 3 3 control When AE is selected the density level of the original is detected to adjust it to an appropriate density automati cally The sampling range of the original density in the AE control varies for the platen mode and the DF mo
203. y position detection is controlled according to the number of times the Tray Position Sen sor PS3 1 is activated after the Lower Limit Sensor PS14 2 has been activated 1 Tray position detection operation 1 During the initial operation sequence the Tray is subjected to a descent motion until the Lower Limit Sensor PS14 is activated FS 522 PU 501 OT 602 z lt S 5 2 i a 4349t2c010na 1 Tray Position Sensor PS3 2 Lower Limit Sensor PS14 19 5 OPERATIONS Theory of Operation Ver 1 0 May 2008 2 After PS14 has been activated the Up Down Section is subjected to an ascent motion 3 When PS3 1 is activated a first time after the ascent motion of the Up Down Section has been started it is determined that the Up Down Section is now located at the paper exit opening for the Tray 1 FS 522 PU 501 OT 602 lt S 2 E a o 4349t2c011na 1 Tray Position Sensor PS3 4 When PS3 is activated a second time after the ascent motion of the Up Down Section has been started it is determined that the Up Down Section is now located at the paper exit opening for the Tray 2 5 Drive is stopped when PS3 is activated with Upper Limit Sensor PS15 of the target tray in the activated position If OT is installed OT is at the exit port when
204. yance sensor PS3 detects the trailing edge of the last paper of the copy the shift motor M8 turns ON to start the shift operation and when the shift home sensor PS10 detects the shift position M8 turn OFF Staple mode A specified period of time after the paper exit roller release motor M13 turns ON to start the pressure oper ation M8 turns ON to start the shift operation and when PS10 detects the shift position M8 turns OFF 25 FS 523 RU 507 lt 6 5 2 E i a 5 Theory of Operation 1 0 2008 5 4 Punch section 5 4 1 Punch mechanism e For the punch a hole is punched on the rear side of paper for each paper e The driving force from the punch motor M1 1 5 is transmitted to the eccentric cam 6 by the punch clutch CL1 4 And when the eccentric cam makes a full turn the cam holder 3 makes a round trip to punch a hole FS 523 RU 507 The position of the reciprocating operation of the punch is detected by the punch encoder sensor PS15 ES 5 21 452112c020na 1 Entrance roller 4 Punch clutch CL1 2 Punch blade 5 Punch motor M1 1 8 holder 6 Eccentric cam gt 7 specified period of time after the path sensor PS2 of the RU detects the trailing edge of paper the con veyance motor Up M4 or

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