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FS-720/820/920 Service Manual

1. Always check that the printer is correctly connected to an outlet with a ground connection e Check that the power cable covering is free of damage Check that the power plug is dust free If it is dirty clean it to remove the risk of fire or electric shock Never attempt to disassemble the optical unit in machines using lasers Leaking laser light may NIE CVC SION TR D Handle the charger sections with care They are charged to high potentials and may cause electric Shock if handled IMpropery uuu ru N CAUTION Wear safe clothing If wearing loose clothing or accessories such as ties make sure they are safely secured so they will not be caught in rotating sections A Use utmost caution when working on a powered machine Keep away from chains and belts AN Handle the fixing section with care to avoid burns as it can be extremely hot AN Check that the fixing unit thermistor heat and press rollers are clean Dirt on them can cause abnormally high temperatures Do not remove the ozone filter if any from the printer except for routine replacement
2. 1 3 7 1 4 Maintenance Mode TT SERVICE AMO Css See 1 4 1 1 Executing Service MOG sa use sanne tet aun a dou ua saa sa thamaysktuqacaahashua a 1 4 1 1 5 Troubleshooting 1 5 1 Paper misfeed detection aS 1 5 1 1 Paper MISTER N EAI aan 1 5 1 2 ar Ierz inli lisisieMeis coiere 1 5 2 152 Suede 1 5 3 AA SS SLT IO SUS ME vu 1 5 3 2 Se d EON 1 5 4 1 59 BecMe TONES aS T 1 5 14 1 5 4 Image formation problems a nnne nennen nnn nnne nnne n arreen nErenn 1 5 17 1 55 Mechanical BFODIGTiS usc eiiis oor eo oi tonic d SE SSANG 1 5 23 1 6 Assembly and Disassembly 1 6 1 Precautions for assembly and disassembly r 1 6 1 Al recle Ceem c c LD W s 1 6 1 162 Ore ERNA 1 6 2 1 Detaching and refitting the right side cover right cover left cover and top cover 1 6 2 1 6 3 Paper feeding conveying section a 1 6 4 1 Detaching and refitting the paper feed roller 1 6 4 2 Detaching and refitting the transfer roller a a 1 6 5 1564 PROCESS E ello T
3. 1 6 24 2GL 2FV 2FW 1 7 Firmware FET DOWRIOSGIFPIC iusictdusstuecis doces tut a dud ented e Moboinlia peta cay ooa ta suyusqa sunasobawkasputmaosqanha khas 1 7 1 1 Firmware program data ornata 2 aate ta de Aa i uM ade 1 7 1 2 Downloading the firmware from the parallel interface For 16 18 ppm printers 1 7 2 3 Downloading the firmware from the memory card For 16 18 ppm printers 1 7 4 2 1 Mechanical Construction 2 1 1 Paper feeding conveying section rr 2 1 1 C1 Paper Tee SOCOM NNN 2 1 1 212 HUN ESS CUO euros eee 2 1 3 ET UPP ee 2 1 3 2 Main Charger UN u s uuu ea ke at eder 2 1 4 2120 EXPOSE SENNA Lose sateen sg hasan E ea 2 1 5 1 L ser SANNE UN en 2 1 5 221 4 Developing SEO bad reke date UA 2 1 7 1 Developer Mr Deres 2 1 7 2155 Transier SCCHON e M uuu kisu 2 1 9 22156 Oleann Secho siroaa ee 2 1 10 2 10 USC SECON eaaa a a E A 2 1 11 MFR 2 1 11 210 FP OM SEN 2 1 13 VPT SEN 2 1 13 2 2 Electrical Parts Layout PERS BeE NABO 2 2 1 MM EE re RO ee 2 2 1 2 3 Operation of the PWBs TPM PB 2 3 1 2 32 EAN EKG voltage PWB e EE 2 3 3 2 NN BR 2 3 6 2 4 Appendixes 2281 JADDOELIOIXOS se 2 4 1 1 Timing chart No 1 Cassette paper feeding Paper size
4. Figure 2 1 10 Transfer section Engine high Transfer bias output voltage PWB 2 3 kV 9 uA 2 6 kV 12 uA Transfer J1 J2 J3 roller Switches output depending on media type and media size Figure 2 1 11 Transfer section block diagram 2GL 2FV 2FW 2 1 6 Cleaning section After the transferring process the drum needs to be physically cleaned of toner which is residual after the development process The cleaning blade is constantly pressed against the drum and scrapes the residual toner off to the sweep roller The waste toner is collected at the output end of the sweep roller and sent back to the toner container into the waste toner reservoir After the drum is physically cleaned it then must be cleaned to the electrically neutral state This is necessary to erase any residual positive charge ready to accept the uniform charge for the next print process The residual charge is canceled by exposing the drum to the light emitted from the eraser lamp PWB This lowers the electrical conductivity of the drum sur face making the residual charge on the drum surface escape to the ground Waste toner reservoir am Figure 2 1 12 Cleaning section 1 Eraser lamp PWB 2 Cleaning blade 3 Sweep roller 4 Drum roller 5 Sheet sweep ERASER Eraser Engine high PS voltage PWB Figure 2 1 13 Cleaning section 2 1 10 2GL 2FV 2FW 2 1 7 Fuser section 1 Fuse
5. A4 16 pages minutes Letter 17 pages minutes First print time 11 seconds or less ready 21 seconds or less sleep Warm up time 16 seconds or less power on 12 seconds or less sleep Paper feed system One universal cassette and one manual feed tray Paper loading capacity Paper cassette 250 sheets 80 g m 0 11 um Manual feed tray 1 sheet 80 g m 0 11 um Paper exit system Face down 100 sheets 80 g m 0 11 um Photoconductor OPC drum diameter 30 mm Charging system Scorotron positive charging Developing system Mono component dry developing method Toner replenishing Automatic from the toner container Transfer system Transfer roller negative charged Separation system Small diameter separation Fixing system Heat roller system Charge erasing system Exposure by eraser lamp LED Cleaning system Drum Counter blade 2GL 2FV 2FW Controller hardware Interface suns ER doa E UE Controller software CUu ua ooi hA CPU 32 bit RISC CPU System ROM 1 Mbit on board Main RAM 8 MB on board USB
6. Measures the heat roller temperature Main motor Drives the entire machine Cooling fan motor Cools the interior of machine POIVOOM IMOUOM gne Drives the polygon mirror 2 2 1 2GL 2FV 2FW 20 Reed CINIGH ade so MES Controls the paper cassette paper feed 21 Registration clutch Controls the primary paper feed 2254 G IDIGt ae Connects the AC power source 23 Thermal cutout Shuts off the power source to the heater lamp when the heat roller reaches extremely high temperature 24 Heater lamp Energizes the heat roller 2 2 2 2GL 2FV 2FW 2 3 1 Power source PWB Power source PWB Power AC itch Rectification input SIE smoothing circuit T O O O O e SW1 F1 D10 to 13 24V1 24 V DC rectification smoothing output circuit GND V X 5V Switching 5 V DC Overvoltage control rectification detection Heater circuit smoothing circuit lamp output circuit IC101 control GND circuit Zero w EXITN signa PC5 TRA1 detection circuit PC1 Exit sensor SLEEP ll Pulse ZCROSS PC4 24V2 Thermal T vg 17 Heater Pcs HEATN cutou lamp Figure 2 3 1 Power source PWB block diagram The power source PWB consists of the switching r
7. Q Do not pull on the AC power cord or connector wires on high voltage components when removing them always hold the plug itself vare Q Do not route the power cable where it may be stood on or trapped If necessary protect it with a cable cover or other appropriate item rrrarnnrrannnnnnnrnnrnannannnnnnnnnnrnannannnnnnnnnnnnannannannnnnnnnnunnnnnanennenen Q Treat the ends of the wire carefully when installing a new charger wire to avoid electric leaks o Remove toner completely from electronic components a AN Run wire harnesses carefully so that wires will not be trapped or damaged o After maintenance always check that all the parts screws connectors and wires that were removed have been refitted correctly Special attention should be paid to any forgotten connector trapped wire and missing SCreWS a a aa Check that all the caution labels that should be present on the machine according to the instruction handbook are clean and not peeling Replace with new ones if necessary Qo Handle greases and solvents with care by following the instructions below o Use only a small amount of solvent at a time being careful not to spill Wipe spills
8. M bance 1 6 6 1 Detaching and refitting the developer unit and drum unit 1 6 6 2 Prom Unit OpDUMIZA ION aa 1 6 7 3 Detaching and refitting the main charger unit 1 6 8 O y dn le ORNL NE NN EN ON TRETEN 1 6 9 1 Detaching and retitting the fuser UN aa vasre 1 6 9 2 Detaching and refitting the heater lamp heat roller fuser thermistor thermal cutout NA Press TONG Ne 1 6 11 150 PBS sr 1 6 15 1 Detaching and refitting the main PWB 16 ppm GDI printer 1 6 15 2 Detaching and refitting the main PWB 16 18 ppm printers 1 6 16 3 Detaching and refitting the engine high voltage PWB and power source PWB 1 6 17 167 OEEC svarer AA 1 6 20 1 Detaching and refitting the laser scanner Unit rrrnrrnnnrvnrrnnnnrrrnnnnrrenrnnnrrvrnnnnrrnnnnnnsrennnnsrrrennnnsesennn 1 6 20 2 Detaching and refitting the eraser lamp PWB rrrrrnnrrrrrnnnrvvrvnnnrrenrnnnnrrvrnnrnrrvnnnnernnnnrrrnnnnsnnnnnnnn 1 6 22 3 Detaching and refitting the drive unit a 1 6 23 4 Detaching and refitting the main motor
9. SS N USB interface connector USB cable Power cord Figure 1 3 7 Printing a status page for test 1 Turn on the printer power switch 2 Press the GO key for 10 seconds or more Test page 16 ppm GDI printer or service status page 16 18 ppm printers will be printed See page 1 4 11 or 1 4 3 3 Check to see if the test page or service sta tus page is properly printed Completion of the machine installation 1 3 5 2GL 2FV 2FW 1 3 2 Installing expansion memory optional for 16 18 ppm printers Procedure 1 p 1 3 6 Turn off printer power Caution Do not insert or remove expansion memory while printer power is on Doing so may cause damage to the printer and the expansion memory Open the top cover Remove the right side cover Open the stoppers of the memory socket on the main PWB Insert the memory so that the two notches of the memory are engaged with the projec tions of the memory socket Close the stoppers of the memory socket Refit the right side cover Print a status page to check the memory expansion See page 1 4 3 If memory expansion has been properly per formed information on the installed memory is printed with the total memory capacity has been increased Standard memory capacity 16 MB 16 ppm printer 32 MB 18 ppm printer Memory ne Memory socket Jo iiid LU UU pLLLLLLLLLLLL pLLLLLLLLO Right side cover Figure 1 3 8
10. Screws Transfer bias terminal Figure 1 6 25 1 6 18 10 11 12 13 Remove the one screw and terminal from the bottom frame plate When securing the grounding terminal hook the grounding wire to the projection Remove the three screws from power source PWB Remove four screws from the engine high voltage PWB Separate the engine high voltage PWB and power source PWB Check or replace the engine high voltage PWB or power source PWB and then refit all the removed parts To replace the engine high voltage PWB remove the EEPROM U2 from the old engine high voltage PWB and mount it to the new engine high voltage PWB 2GL 2FV 2FW A 0D O D 0 O D Jc T SY S Engine high voltage PWB Screw Terminal Terminal Grounding wire Figure 1 6 26 1 6 19 2GL 2FV 2FW 1 6 7 Others 1 Detaching and refitting the laser scanner unit Procedure 1 Remove the outer covers See page 1 6 2 2 Remove the two screws and then remove Screw the LSU lid LSU lid Figure 1 6 27 1 6 20 2GL 2FV 2FW 1 6 21 2GL 2FV 2FW 2 Detaching and refitting the eraser lamp PWB Procedure 1 Remove the laser scanner unit See page 1 6 20 2 Remove the one connector 3 Remove the wire from two clamps 4 Remove the wire form clamp 5 Remove the sheet eraser 6 Remove the eraser lamp PWB N
11. Yes Y B Continued to next page Code Contents 4200 E3 Continued from previous page A Replace laser scanner unit See page 1 6 21 cont Replace main PWB See page 1 6 15 or 16 Turn power switch on lt gt Yes Replace engine high voltage PWB See page 1 6 17 Turn power switch on lt No End Replace harness between main PWB and laser scanner unit Turn power switch on Replace harness between main PWB and laser scanner unit See page 1 6 15 or 16 Turn power switch on Replace harness between main PWB and engine high voltage PWB 2GL 2FV 2FW Causes Check procedures corrective measures Continued from previous page B Replace main PWB See page 1 6 15 or 16 Turn power switch on Replace engine high voltage PWB See page 1 6 17 Replace harness between main PWB and engine high voltage PWB 1 5 7 2GL 2FV 2FW Code Contents Causes Check procedures corrective measures Defective fuser Follow the flow chart thermistor 6000 Broken heater lamp error E4 The temperature won t rise by 1 degree Celsius during warming up and the heater is turned on for 5 seconds Broken thermal The temperature won t rise by 1 cutout or heater degree Celsius during printing and the heater is turned on for 5 seconds with Defective engine the duty cycle more than 60 high voltage PWB lamp
12. Figure 1 6 30 1 6 22 2GL 2FV 2FW 3 Detaching and refitting the drive unit lt Procedure gt 1 Remove the right cover See page 1 6 2 2 Remove the three connectors 3 Remove the two screws and then remove the two grounding plates 4 Remove the two stoppers and then remove the two clutches Grounding plate Stopper black Grounding plate Figure 1 6 31 5 Remove the one screw and then remove the CF guide 6 Remove the three screws and then remove the drive unit Drive unit Figure 1 6 32 1 6 23 2GL 2FV 2FW 4 Detaching and refitting the main motor Procedure 1 Remove the right cover See page 1 6 2 2 Remove the one connector from main motor 3 Remove the four screws and then remove the main motor 1 6 24 Figure 1 6 33 Screws 2GL 2FV 2FW 1 7 1 Downloading 1 Firmware program data format The data to be downloaded are supplied in the following format Firmware file name example For 16 18 ppm printers S2FV 1000001021 cmp Software ID _ Product code 2FV 16 ppm printer 2FW 18 ppm printer Compression Pause period Pause under bar Build number Version up history 0 Normal E Corrective Destination Firmware description supplement Firmware description 1 Engine controller 2 MFP controller 3 Printer Main controller 4 Facsimile 5 NIC 6 Operation panel massage language 7 Panel Figure 1 7 1 1 7 1 2GL
13. 0 5 V DC 0 5 V DC 0 5 V DC 0 5 V DC 0 5 V DC pulse 0 5 V DC pulse 0 5 V DC pulse 0 5 V DC pulse 0 5 V DC 5VDC Reset signal Engine interrupt signal Communication direction change signal Engine busy signal PD mask control signal Engine interface serial communication data Clock signal for engine interface Engine interface serial communication data Clock signal for polygon motor Laser output On Off 5 V DC power output Ground Connected to the main motor 24V3 GND MMOTRDY MOTCLK REMOTE 24 V DC 0 5 V DC pulse 0 5 V DC 24 V DC power output Ground Ground power Main motor clock signal Main motor On Off YC6 Connected to the waste toner full sensor YC7 Connected to the fuser thermistor 2 3 4 OQ N O Q SN 5V TNFULL GND 5 VDC 0 5 V DC 5 V DC power output Waste toner full Not Ground 5V THERM 5 V DC power output Fuser thermistor detection voltage 2GL 2FV 2FW BEZE mm to the eraser lamp PWB sp hae d be 24 V DC power output Eraser lamp PWB On Off YC9 Connected to the cool ing fan motor 24 V DC 0 12 24 V DC 24 V DC power output Cooling fan motor Full speed Half speed Off YC10 Connected to the toner empty sen sor 5 V DC power output Toner empty Not Ground 2 3 5 2GL 2FV 2FW 2 3 3 Main PWB For 16 ppm GDI printer OSC USB SDA11 0 SDRAM address bus System SYSCK
14. 2GL 2FV 2FW 1 3 3 Installing a memory card optional for 16 18 ppm printers lt Procedure gt 1 Turn off printer power Caution Do not insert or remove memory card while printer power is on Doing so may cause damage to the printer and the mem ory card 2 Insert the memory card into the memory card socket on the main PWB 3 Format the memory card before use Refer to the operation guide Memory card socket Main PWB Memory card Top cover Right side cover Figure 1 3 9 1 3 7 2GL 2FV 2FW This page is intentionally left blank 1 3 8 2GL 2FV 2FW 1 4 1 Service mode The product incorporates several service modes which are activated by using the keys on the operation panel or by com manding from a PC 1 Executing service mode Printing service status page For 16 ppm GDI printer See page 1 4 2 Printing service status page For 16 18 ppm printers See page 1 4 3 Printing event log For 16 18 ppm printers See page 1 4 6 Printing test page For 16 ppm GDI printer See page 1 4 11 Toner Install Mode sei itus voii ra asc De Cra Do ee See page 1 4 11 1 4 1 2GL 2FV 2FW Service items Description Printing service sta Description tus page For 16 ppm Prints a status page for service purpose GDI printer The service status page bears the serial number engine firmwa
15. PWB A piece of paper torn from paper is caught around reg istration sensor or exit sen sor Check and remove if any Defective registration sen sor on the engine high volt age PWB Defective exit sensor on the Replace the power source PWB See page 1 6 17 power source PWB Defective interlock switch Check for continuity across the interlock switch If there is no con on the engine high voltage tinuity when the interlock switch is on replace the engine high PWB voltage PWB See page 1 6 17 Replace the engine high voltage PWB See page 1 6 17 1 5 4 Image formation problems 1 Completely 2 All black print 3 Dropouts blank printout out ABC 123 See page 1 5 18 See page 1 5 18 See page 1 5 19 6 Black vertical 7 Unsharpness 8 Gray back streaks ground AB ABC ABC 12 123 123 See page 1 5 20 See page 1 5 21 See page 1 5 21 4 Black dots See page 1 5 19 9 Dirt on the top edge or back of the paper ABC 123 See page 1 5 22 2GL 2FV 2FW 5 Black horizon tal streaks ABC See page 1 5 20 10 Undulated print ing at the right edge scanning start position This vertical line should be straight See page 1 5 22 1 5 17 2GL 2FV 2FW 1 Completely blank printout Causes 1 Defective drum unit or developer unit 2 Defective transfer bias potential 3 Defective laser scanner unit 4 Defective main PWB Causes Check proc
16. Service Manual Printer LP 3118 22 02 2005 B rium ph Adler Service Manual Printer LP 4118 22 02 2005 Safety warnings and precautions Various symbols are used to protect our service personnel and customers from physical danger and to prevent damage to their property These symbols are described below LDANGER High risk of serious bodily injury or death may result from insufficient attention to or incorrect compliance with warning messages using this symbol WARNING Serious bodily injury or death may result from insufficient attention to or incorrect compliance with warning messages using this symbol L CAUTION Bodily injury or damage to property may result from insufficient attention to or incorrect compliance with warning messages using this symbol Symbols The triangle A symbol indicates a warning including danger and caution The specific point of attention is shown inside the symbol A General warning AN Warning of risk of electric shock AN Warning of high temperature Q indicates a prohibited action The specific prohibition is shown inside the symbol General prohibited action Disassembly prohibited e indicates that action is required The specific action required is shown inside the symbol General action required Remove the power plug from the wall outlet Always ground the printer 1 Installation Precautions AAWARNING Do not use a power supply wit
17. Drum unit 2 4 5 2GL 2FV 2FW This page is intentionally left blank 2 4 6 KYOCERA MITA AMERICA INC Headquarters 225 Sand Road Fairfield New Jersey 07004 0008 TEL 973 808 8444 FAX 973 882 6000 New York Branch 1410 Broadway 23rd floor New York NY 10018 TEL 917 286 5400 FAX 917 286 5404 Northeastern Region 225 Sand Road Fairfield New Jersey 07004 0008 TEL 973 808 8444 FAX 973 882 4401 Midwestern Region 201 Hansen Court Suite 119 Wood Dale Illinois 60191 TEL 630 238 9982 FAX 630 238 9487 KYOCERA MITA CANADA LTD 6120 Kestrel Road Mississauga Ontario L5T 1S8 Canada TEL 905 670 4425 FAX 905 670 8116 KYOCERA MITA MEXICO S A DE C V Av 16 de Septiembre 407 Col Santa In s 02130 Azcapotzalco M xico D F M xico TEL 55 5383 2741 FAX 55 5383 7804 Western Region 14101 Alton Parkway Irvine California 92618 7006 TEL 949 457 9000 FAX 949 457 9119 Southeastern Region 1500 Oakbrook Drive Norcross Georgia 30093 TEL 770 729 9786 FAX 770 729 9873 Southwestern Region 2825 West Story Road Irving Texas 75038 5299 TEL 972 550 8987 FAX 972 570 4704 Dallas Parts Distribution Center amp National Training Center 2825 West Story Road Irving Texas 75038 5299 TEL 972 659 0055 FAX 972 570 5816
18. Main RAM 16 MB standard on board expanding up to 272 MB 256 MB x 1 at the maximum by adding optional expansion memory Optional expansion RAM DIMM 1 slot 100 pin DIMM 64 128 or 256 MB Parallel Hi speed bi directional IEEE 1284 Nibble ECP mode USB Full Speed USB2 0 a Emulation PCL6 PCL5e PCL XL b Fonts Bitmap font 1 font Outline fonts 14 fonts c Graphic 1 Raster graphic 75 100 150 200 300 600 dpi 200 dpi is supported when the resolution is 600 dpi 2 Vector graphic Line Box Circle Arc Fill pattern etc 3 Bar code One dimensional bar code 45 types Two dimensional bar code 1 type PDF 417 4 Text TEXT RTXT etc 5 Others Macro JOB Device setting etc d Connectivity Plug amp play Parallel Windows 9x Me 2000 XP Plug amp play Full Speed USB2 0 Windows 98SE Me 2000 XP Fast1200 mode 1800 x 600 dpi 600 dpi mode 600 x 600 dpi 245 x 380 x 390 mm 9 6 x 15 0 x 15 4 Main unit 9 2 kg 20 3 lbs 220 240 V AC 50 60 Hz European countries 120 V AC 60 Hz U S A Canada Maximum 833 W 220 240 V model 828 W 120 V model Normal operating 319 W 220 240 V model 292 W 120 V model Ready 7 W 220 240 V model 6 W 120 V model EcoPower 4 5 W 220 240 V model 4 W 120 V model 3 4 A 220 240 V model 6 8 A 120 V model Printing 49 dB A Ready 28 dB A Expansion memory 64 128 256 MB 100 pin DIMM memory card Compact Flash 2GL 2FV 2FW 1 18 ppm
19. Replace paper with the one that satisfies the paper specifications The transfer roller must be supported by the bushes at the both ends Clean the bush to remove oil and debris Replace the transfer roller if necessary See page 1 6 11 Check the transfer bias output on the engine high voltage PWB This requires removal of the left cover and the test equipment Replace the engine high voltage PWB if high voltage potential is not available on the PWB See page 1 6 17 4 Black dots Causes 1 Defective drum unit Causes Check procedures corrective measures 1 Defective drum unit If the defects occur at regular intervals of 94 mm the problem may be the damaged drum in the drum unit Replace drum unit See page 1 6 7 If the defects occur at random intervals the toner may be leaking from the developer unit and drum unit Replace developer unit and drum unit See page 1 6 6 1 6 7 1 5 19 2GL 2FV 2FW 5 Black horizontal streaks Causes 1 Defective drum unit s ground 2 Defective drum unit ABC Causes 1 Defective drum unit s ground Check procedures corrective measures The drum axle in the drum unit and its counter part the grounding tab in the printer must be in a good contact If necessary apply a small amount of electro conductive grease onto the tab 2 Defective drum unit Replace the drum unit See page 1 6 7 6 Black vertical streaks Causes 1 Contaminated main charge
20. gt NORUDNIPOJIQDH 0Z0 0S GOA GMd dwe JeseJ3 COA Josues Jaded m Josues uonejsibay N N YISVYI MdSsVv43 V00L9cAdc uoinjo pee O O S 1euoydo ot bein s paeo i L a DD U iier M s dice 1 oe 8 dwej 19120 A o 3 T oO z zio VL AOS LA LEOEOS n jou DV s ogee O 0 08 3 amp g Uld 35 e wa zr al Loa Le 2 ino z 7 zr AWWIG JOUISUI uorsuedx3 JOSUSS 4x4 gAAd uleW n H U91IMS J9MOd O I I suaquud wdd 81 91 POA a t Zd 48juud Iq wdd 91 9A V9 L A0SC 13 e3 TES v SU AOSZ N L4 I NK S OOO v 8 A0S 3 14 oo Ot ON m E om ES m gMd 994nos JISAOd k 73 g 9 VOLO9ZAJC 8109 eye COA gi i wN OOO IO OI oP KN i SA SOMNOTAwWN ORB3oo oonrowa Si Ux LOA OD fi Q GO INITIO T O Q I DN 62295Xm52 592 O I50213S rn T op 60LL dM g8Md Md 26e 0A ufiu euibu3 U91IMS Y90 1 U s I _ m 22 een LOA ro Exe Tr Fu 2 Je OJ JoJSUEJ A JojsiuJeu Jesn 4 2 4 4 2GL 2FV 2FW 5 Repetitive defects gauge 4 First occurrence of defect 24 mm Upper registration roller 38 mm Lower registration roller I 47 2 mm Developing roller Developer unit 48 mm Transfer roller lt 63 mm Heat roller Press roller Fuser unit 4 94 mm Drum
21. 100 sheets 80 g m 0 11 um Photoconductor OPC drum diameter 30 mm Charging system Scorotron positive charging Developing system Mono component dry developing method Toner replenishing Automatic from the toner container Transfer system Transfer roller negative charged Separation system Small diameter separation Fixing system Heat roller system Charge erasing system Exposure by eraser lamp LED Cleaning system Drum Counter blade 1 1 5 2GL 2FV 2FW Controller hardware Interface Controller software CURIS IU ads CPU PowerPC405 266 MHz System ROM 4 MB on board Font ROM Including System ROM Main RAM 32 MB standard on board expanding up to 288 MB 256 MB x 1 at the maximum by adding optional expansion memory Optional expansion RAM DIMM 1 slot 100 pin DIMM 64 128 or 256 MB Parallel Hi speed bi directional IEEE 1284 Nibble ECP mode USB Full Speed USB2 0 a Emulation PCL6 PCL5e PCL XL KPDL3 Line Printer Diablo 630 IBM Proprinter X24E Epson LQ850 b Fonts Bitmap font 1 font Outline fonts 80 fonts c Graphic 1 Raster graphic 75 100 150 200 300 600 dpi 200 dpi is supp
22. 2 Detaching and refitting the main PWB 16 18 ppm printers Procedure 1 2 3 Remove the right cover See page 1 6 2 Remove the one screw and then remove the CF guide Remove the two connectors from main PWB Remove three screws from the USB inter face connector and parallel interface con nector Remove the four screws and then remove the main PWB with controller box Screws Screws Parallel interface it xQ USB interface connector Screws Figure 1 6 22 1 6 16 2GL 2FV 2FW 3 Detaching and refitting the engine high voltage PWB and power source PWB lt Procedure gt 1 Remove the developer unit and drum unit See page 1 6 6 Remove the paper cassette Remove the outer covers See page 1 6 2 4 Remove the six connectors When seating the engine high voltage PWB ensure that the developer bias terminal spring is correctly in contact with the devel oping bias terminal TB1 on the engine high voltage PWB oN Connector Developing Engine high bias terminal TB1 voltage PWB du amp p Figure 1 6 23 a 1 6 17 2GL 2FV 2FW 5 Remove the two connectors from main PWB 6 Remove the drive unit See page 1 6 23 Connectors L d 5 Figure 1 6 24 N Turn the printer bottom side up 8 Remove the five screws and then remove the bottom frame plate with PWBs behind the plate Screws
23. 3 Insert the memory card in the printer s mem ory card slot N card socket Memory card Top cover Right side cover Figure 1 7 3 1 7 4 2GL 2FV 2FW 4 Turn power switch on 5 The printers starts and finishes downloading automatically LED indication status 3 4 are displayed during downloading When LED indication status 5 is displayed to indicate downloading is finished f downloading fails the printer indicates an error display using the LED indicators See table below LED indication status 6 Table 1 7 2 ATTENTION indicator O LED Indicator explanatory notes READY indicator P N N 7 Supervisor mode Receiving data P4 O N 7 N 4 O N 7 N e 5 e 5 e o e o e o e ZN ZN 94 NS INS TN OG oO e 9e e e o o o o e LTN ZTN NF A Z NAN e Oe 5 5 0 o0 e e e e P4 LTN LTN FTN FTN Deleting and writing data O O N O Di Downloading complete N SN N ZN e eo c 5 o o0 e e e e o 7 ZN A Z A FTN 7 O N 7 P O 7 7 N 7 N O N 7 N N 7 N O 7 N 7 N O N 7 O N 7 N 7 N 7 N 7 N 7 O 90 O OOO OO D oO OO TN N Z NV 2 N 4 N Z N Z N 4 N Z N FON e e eeoeeeeeeee O6 LON FTN FTN FTN Z A FTN FTN FTN FTN FTN FTN O Downloading failed N 7 O N N 7 N O N 7 N 7 N 7 N 7 6 Tur
24. A4 For 16 16 ppm GDI printers 2 4 1 2 Timing chart No 2 Cassette paper feeding Paper size A4 For 18 ppm printer 2 4 2 3 Timing chart No 3 Manual feed tray paper feeding Paper size A4 2 4 3 CATER NE AN aes iso are co EEE EEE NE aper id ed se Gr aC ad 2 4 4 5 Repetitive defects gauge ra 2 4 5 2GL 2FV 2FW 1 1 1 1 Specifications 16 ppm GDI printer FS 720 VE Desktop Printing system Electrophotographic printing Paper type Paper cassette Plain paper 60 to 105 g m Recycled paper 60 to 105 g m Thick paper 90 to 105 g m Manual feed tray Plain paper 60 to 163 g m Recycled paper 60 to 163 g m Thick paper 60 to 163 g m Special paper Transparencies labels envelopes postcards tracing paper Paper sIZ6S Lae Paper cassette A4 210 x 297 mm B5 182 x 257 mm A5 148 x 210 mm Folio 210 x 330 mm Letter 81 x 11 Legal 81 x 14 Officio II 81 x 13 Non standard size 148 x 210 mm to 216 x 356 mm Manual feed tray A4 210 x 297 mm B5 182 x 257 mm A5 148 x 210 mm Folio 210 x 330 mm Letter 81 x 11 Legal 81 x 14 Officio II 81 x 13 Non standard size 70 x 148 mm to 216 x 356 mm Print speeds
25. Media type attributes Media type paper weight setting value from 1 to 28 unused media types are always 0x00 Media type attributes Media type density setting value from 1 to 28 unused media types are always 0x00 Memory SPD information slot 1 2 to 6 byte 8 to 36 byte 94 to 95 byte total 32 byte Engine parameter Hexadecimal 128 byte 256 digits Machine serial number Code conversion ue EP IHE gc ed SEP NENNE 29 1 4 5 2GL 2FV 2FW Service items Description Printing event log Description For 16 18 ppm print Prints a history list of occurences of paper jam self diagnostics toner replacements etc ers Purpose Analyze the failure by determining the cause depending on the history of occurrence Procedure 1 Connect the parallel cable between printer and PC Parallel cable Figure 1 4 4 2 Turn printer power on Make sure the printer is ready 3 At the DOS prompt send the following command to the printer echo R ELOG EXIT gt prn Event log will be printed 1 4 6 2GL 2FV 2FW Service items Description EVENT LOG EB20MA001 2FV_1000 001 019 C2 40 00SFLB 01 Firmware version 2FV 30000 001 024 Released 15 Jul 2004 4 Total page 12345 DN SPL0000000 SN SPLO0000000 Paper Jam Log d Service Call Log Count Event Count Service Code 8 8 11234 01 6000 7 7 10000 01 6000 6 6 9999 01 6000 5 9998 01 6000 gt 4 9997 01 6000
26. NAUTOFD NINIT Core ASIC NACK PERROR 3 SELECT FAULT BUSY PDATA7 0 SDA12 0 SDRAM address bus SDA11 0 O ni RASN CASN WEN BA1 BAO SDCLKE i ESL DQMU YS01 SDD31 0 SDD15 0 YC03 PNSELIN PNSTROBE PNAUTOFD PNINIT P PNACK PPERROR SDRAM Gr PSELECT PFAULT PBUSY RE a SDRAM PPDATAS8 1 IICSCL DIMM IICSDA slot Power source SDCLK SDCLK 5V SGND U04 YC04 SDCSN1 2 SDRAM SCKN SO PLGCLK Engine SBSY SI SDIR EGIRN oo Sees m PDMASKN RESIN SDD31 0 SDRAM data bus Y COG6 U07 OUTPEN 5V1 3 3V1 APC VDATA VE VDFONSPL PDN 3 3 V regulator Figure 2 3 4 Main PWB block diagram For 16 ppm printer The main PWB consists mainly of CPU U01 and primarily performs the printing data processing and interface controls with computers The CPU U1 outputs the laser light and executes printing following the code ROM U05 that stores the control programs being linked with the process and paper feeding conveying mechanism that the engine high voltage PWB controls 2 3 2GL 2FV 2FW For 18 ppm printer YC02 USB I F YC03 Parallel I F YC04 Engine I F YC06 APC I F Xtal System EBA22 1 EBIU address bus X01 CXIN 33 3333 MHz 885 Xtal video X02 VXIN 37 6687 MHz VXOUT OSC USB System X03 48 000 MHz USBDP USBDN UXIN EBA21 1 Code ROM Flash memory EBCSNO 1 EBOENO EBWENO EBD31 16 EBCSN2 CO EBOE
27. between engine high voltage PWB and main motor Connect circuit tester to pin 5 REMOTE of YC5 Connect circuit tester to connector on the engine high voltage pin 1 of CN1 connector PWB on the main motor Connect oscilloscope to pin 5 REMOTE and pin 3 MMOTRDY of CN1 connector on the main motor Turn printer power off then on 24 V DC at pin 1 of CN1 connector on the main Print status page Turn printer power off motor then on Does pin 5 REMOTE of YC5 connector on the engine high voltage PWB goes high then low Print status page Does pin 3 MMOTRDY of CN1 connector on the Replace harness between main motor goes high then low engine high voltage PWB and within 2 seconds from pin main motor 5 REMOTE goes Replace engine high voltage PWB See page 1 6 17 Replace the main motor See page 1 6 24 If not solved check or replace drive unit See page 1 6 23 1 5 4 Contents 4000 E2 Polygon motor laser scanner unit error The polygon motor ready input is not given for eight seconds during the polygon motor is driven 24V DC at pin 5 of YC3 connector on the engine high voltage No 2GL 2FV 2FW Causes Check procedures corrective measures Defective harness between engine high voltage PWB Follow the flow chart and laser scanner unit Defective engine high voltage PWB Defective polygon motor laser scan ner
28. container is less than 8 all of the occurrences of replace ment are logged g Jam Indicates the log counter of paper jams depend ing on location Refer to 49 Paper Jam Log All instances including those are not occurred are displayed Count The total page count at the time of the replace ment of the toner con tainer This is virtually logged as the occurrence of the Toner Empty condi tion since the replace ment of the toner container is not pre cisely detectable h Self diagnostic error Indicates the log counter of self diagnostics errors depending on cause See page 1 5 3 Example C6000 4 Self diagnostics error 6000 has happened four times Item Code of mainte nance replacing item 1 byte 2 cat egory 01 Toner con tainer i Toner container replacing Indicates the log counter depend ing on the mainte nance item for maintenance T Toner container 00 Black Example TOO 1 The black toner container has been replaced once 2GL 2FV 2FW Service items Description Printing test page Description For 16 ppm GDI Prints a test page for service purpose A page showing a grid image is printed printer Purpose Performs check on operation and printing image Procedure Press the GO key for 10 seconds or more Test page will be printed Figure 1 4 6 Test page For 16 ppm GDI printer Toner install mode Desc
29. laser beam hits a polygon mirror segment Polygon mirror motor Has six mirror segments around its hexagonal circumference each mir ror corresponding to one scanned line width on the drum when laser beam scans on it F theta lens The f theta lens equalizes focusing distortion on the far ends of the drum SENSOr ITIIETOTD UU rra IR a usa Bends the very first shot of a laser scan towards the pin photo diode sen sor 6 Pin photo diode sensor When shone by the sensor mirror above this pin photo diode sensor generates a trigger signal for the engine controller to start activating the paper feeding system ES irse RR RO PER RR RE Diverts the laser beam vertically onto the drum Note the diffused laser beam finally pinpoints on the drum PO KP Su Condensing laser beam focus to the pin photo diode sensor Collimator lens Aligns the laser beam to the cylindrical lens 2 1 6 2GL 2FV 2FW 2 1 4 Developing section 1 Developer unit The latent image constituted on the drum is developed into a visible image The developing roller contains a 3 pole S N S magnet core and an aluminum cylinder rotating around the magnet core Toner attracts to the developing roller since it is powdery ink made of black resin bound to iron particles Doctor blade magnetize
30. not given for 7 seconds during printing and after the laser begins emitting Contents Defective main Defective harness seconds after power is turned on and i between main the laser begins emitting PWB and engine high voltage PWB Defective engine high voltage PWB 5 VDC at pin 5 of YC4 1 YC6 connector on the main PWB 1 46 ppm GDI printer 2 16 18 ppm printers Replace main PWB See page 1 6 15 or 16 Replace main PWB See page 1 6 15 or 16 Turn power switch on No Connect oscilloscope to pin 3 OUTPEN of YC4 1 YC6 connector on the main PWB Turn power switch off then on 3 OUTPEN of YCA YC6 connector Causes Check procedures corrective measures Follow the flow chart on the main PWB goes high then before 4200 Connect oscilloscope to pin 3 OUTPEN and pin 7 of YCA YC6 connector on the main PWB Does pin 7 PDN of YC4 1 YC6 connector Turn power switch off then on pin 3 OUTPEN goes high then low 3 Pin photo diode sensor detect horizontal synchronization signal Frequency 1417 Hz Low level width 10 us A Continued to next page on the main PWB output pulse signal within 0 1 second after Replace engine high voltage PWB See page 1 6 17 Turn power switch on Replace harness between main PWB and engine high voltage PWB
31. of a paper jams are logged paper jam When the occurrence b Position of execeeds 8 the oldest paper jam occurrence is removed c Paper source d Paper size e Paper type f Paper exit Refer to the next page for the details of each log code SC OG 1 4 8 2GL 2FV 2FW SRL T KA a Cause of paper jam Paper does not arrive at the registration sensor 42 Paper does not arrive at the registration sensor 43 Paper does not pass the registration sensor 48 Paper remains at the registration sensor when power is turned on 48 Paper does not arrive at the exit sensor 48 Paper does not pass the exit sensor 47 Paper remains at the exit sensor when power is turned on 47 Paper misfeed occurs due to forced stop when an error occurs during printing such as opening of the top cover FO to FF Paper misfeed by another cause Values within indicate paper misfeed locations hexadecimal b Detail of jam location Exit sensor Registration Sensor c Detail of paper source Hexadecimal 00 Manual feed tray 01 Paper cassette 02 to 07 09 Not used d Detail of paper size Hexadecimal 01 Monarch 02 Business 03 International DL 04 International C5 05 Executive 06 Letter R 86 Letter E 07 Legal 08 AAR 88 ME 09 BSR 89 BSE OA A3 OB B4 OC Ledger OD A5 OE A6 OF B6 10 Com
32. other strong light when removing paper jams Avoid extremes of temperature and humidity abrupt ambient temperature changes and hot or cold air directed onto the machine Avoid dust and vibration Choose a surface capable of supporting the weight of the machine Place the machine on a level surface maximum allowance inclination 1 Avoid air borne substances that may adversely affect the machine or degrade the photo conductor such as mercury acidic of alkaline vapors inorganic gasses NOx SOx gases and chlorine based organic solvents Select a room with good ventilation Allow sufficient access for proper operation and maintenance of the machine Machine front 50 cm 19 7 Machine rear 20 cm 7 9 Machine right 15 cm 5 9 Machine left 15 cm 5 9 Machine top 30 cm 11 8 a 245 mm 9 6 b 380 mm 15 0 c 390 mm 15 4 Figure 1 2 1 Installation dimensions 1 2 1 2GL 2FV 2FW This page is intentionally left blank 1 2 2 2GL 2FV 2FW 1 3 1 Unpacking and installation 1 Installation procedure Unpacking Installing the toner container Loading paper Connecting the cable Printing a status page for test Completion of the machine installation Figure 1 3 1 1 3 1 2GL 2FV 2FW Unpacking Figure 1 3 2 Unpacking L P M Printer Installation guide Toner container Power cord CD ROM 2GL 2FV 2FW Installing the toner container 1 Rotate the toner conta
33. output of electrical parts and generates the high volt age Power source PWB After full wave rectification of AC power source input switching for con verting to 24 V DC and 5 V DC for output Connect PWB iier uu 1 u Erie Consists the buzzer and wiring relay circuit Operator panel PWB Indicates the LED indicators and controls key inputs Eraser lamp PWB Eliminates the residual electrostatic charge on the drum Zener PWB Adjusts the main charger grid electrostatic potential Registration sensor Detects the timing of primary feeding and paper jam Paper sensor Detects paper in the paper cassette Exit sensor Detects paper jam in the fuser unit and paper exit section Toner empty sensor Measures toner in the toner container Waste toner full sensor Detects the waste toner reservoir drum unit being full Interlock switch Monitors whether the top cover is open and cuts off the 24 V DC power source Power switch Turns ON OFF the AC power source Fuser thermistor
34. page 1 6 11 does not turn off I I I Dirty sensor part of the Check visually and clean the fuser thermistor sensor parts See fuser thermistor page 1 6 11 8 Poor insertion main charger See page 1 5 18 No main charging unit Broken main charger wire Poor contact of main charger terminal and high voltage output terminal on the engine high voltage PWB Defective engine high volt age PWB 9 Poor insertion developer See page 1 6 6 1 6 17 1 5 18 No developing bias is unit output Poor contact of developing bias terminal spring and high voltage output termi nal TAB1 on the engine high voltage PWB Defective engine high volt age PWB 1 5 15 2GL 2FV 2FW Problem Causes Check procedures corrective measures 10 No transfer bias is output Poor contact of transfer bias terminal and transfer bias terminal J1 J2 J3 on the engine high voltage PWB See page 1 5 18 1 6 17 Defective engine high volt age PWB 11 The message requesting paper to be loaded is shown when paper is present in the paper cassette 12 A paper jam in the paper feeding con veying section or fuser section is indi cated when the power switch is turned on 13 The indicator requesting cover to be closed is dis played when the top cover is closed 1 5 16 Defective paper sensor on the engine high voltage Replace the engine high voltage PWB See page 1 6 17
35. parts 2 Defective transfer roller ABC 123 Causes Check procedures corrective measures 1 Toner contamination in various parts Dirty edges and back of the paper can be caused by toner accumulated on such parts as the paper chute paper transportation paths the bottom of the drum and developer and the fuser unit inlet Clean these areas and parts to remove toner 2 Defective transfer roller If the transfer roller is contaminated with toner clean the transfer roller using a vacuum cleaner or by continuously printing a low density page until the symptom has faded away 10 Undulated printing at the right Causes edge scanning start position 1 Defective laser scanner unit 2 Defective engine controller circuit in the engine high voltage PWB This vertical line should be straight Causes Check procedures corrective measures 1 Defective laser scanner unit Defective polygon motor in the laser scanner unit Replace the laser scanner unit See page 1 6 20 2 Defective engine controller circuit in the Replace the engine high voltage PWB See page 1 6 17 engine high voltage PWB 1 5 22 2GL 2FV 2FW 1 5 5 Mechanical problems Problem Causes check procedures Corrective measures 1 No primary paper feed 2 No secondary paper feed Check if the surfaces of the feed roller is dirty Clean with isopropyl alcohol with paper powder Check if the paper feed roller is deformed Check vis
36. unit Replace engine high voltage PWB See page 1 6 17 Replace laser scanner unit See page 1 6 xx PWB Connect oscilloscope to pin 1 PLGCLK and pin 3 PLGON of YC3 connector on the engine high voltage PWB Turn power switch off then on Does pin 3 PLGON of YC3 connector on the engine high voltage PWB goes high then No 1417 Hz 705 us 1 PLGCLK of YC3 connector on the engine high voltage PWB output square wave No Replace engine high voltage PWB See page 1 6 17 Yes Connect oscilloscope to pin 2 PLGDRY and pin 3 PLGON of YC3 connector on the engine high voltage PWB Turn power switch off then on Replace engine high voltage PWB See page 1 6 17 Turn power switch on End Replace harness between engine high voltage PWB and laser scanner unit 2 PLGDRY of YC3 connector on the engine high voltage PWB goes high then low within 8 seconds after pin 5 REMOTE goes high then low No Replace laser scanner unit See page 1 6 21 Turn power switch on Yes Replace engine high voltage PWB See page 1 6 17 Replace harness between engine high voltage PWB lt gt Yes and laser scanner unit 1 5 5 2GL 2FV 2FW 1 5 6 PD Pin photo diode sensor laser scanner unit error PWB The first BD input is not given for 10 The first BD input is
37. 00000000 0000000000000000 0000000000000000 0000000000000000 183200005A030500 8080060C12180000 0000000000000000 0F0000000000FF00 0000000000000000 0000000000000000 0000000000000000 00000000 20 SN SPL9200010 m gt eee Engine ROM information Flash ROM version Boot ROM information Boot ROM version Software jumper switch information First byte hexadecimal bit O 1 Fixed First byte second byte displayed in bit 1 0 Overseas 1 Domestic Japan OEM mode only bit 2 3 Not used bit 4 0 Kyocera 1 OEM bit 5 0 For EU 1 For US bit 6 0 Non MICR mode 1 MICR mode bit 7 Not used Second byte Displayed in OEM mode only fel Total page USB information 00 Not connected 01 Full Speed ais 02 Hi Speed 1 4 4 2GL 2FV 2FW Service items Description Do omes Desnpion Operation panel lock status displayed 01 Partial lock only when locked 02 Full lock NVRAM error displayed only when 01 ID error any error has occurred 02 Version error 03 Checksum error 04 NVRAM crash error Printable area setting Top offset Left offset Page length Page width Left offset for each paper source Manual feed tray Paper cassette 1 600 inches unit Top offset for paper sources Manual feed tray 1 600 inches unit Operation panel message language PMSG command setting decimal Number of rebooting for vertical distor tion check fixed asset number maximum 16 characters
38. 0204 2978 GS8L8 G18 G6S9 ANG Vvceg 9209 CeVvS CEL 6LLV LL6 ge Lt 9Y CELY 0097 6LLV ILGE wdd 9 p ds Bunuug S WW 0 t p ds Buip soded 648 GOLE 9L6c S WW G Q peeds WNIG c L 0 YGL YSL SY94 L6EL YSL 0 YSOL 007 LZ6 ooz 001 0 sw 0 2 4 1 NAdLNO yun Jouueos Jose MSVINGd JIUN Jo9uueos Jose seq J9JSUEJ seiq Buidojanaeg uoinio uonensibey Uoin o pee JOSUSS 1X3 Josues uolejsibey JeDueuo ules NOS1d HUN Jeuueos Jose duue JoseJ43 Jojow Ule N 2GL 2FV 2FW Paper size A4 For 18 ppm printer Ing hart No 2 Cassette paper feed iming c 2 T S ZL LL OL 8001 80801 8001 8001 8001 8SvZ 9612 9908 9822 SLVZ 8SvZ 9612 CLL8 7869 G r c L cevy GLLV HELL ctvv LL BE SLL Vvc6ov 9 Lv SY94 9297 GLLV L6EL cevy Z LGE HELL OEE C amp C GAVE vSOL 007 CEPS 9L6c 00cv GOLE LCG wdd egy peeds Bunuug S WW Q7 t peeds Buipes soded S WW G Q peeds WNIG 007 suu 0 NAdLNO yun Jouueos Jose MSVINGd yun Joeuueos Jose seq J JSUEJ seiq Buidojanaeg yoinjo uonensibey uoin o pee Josues 1X3 JOSUSS UONEJISIaM JaBseyo ute NOD Id HUN Jeuueos Jose duue JoseJ43 JOJOUI Ule N 2 4 2 2GL 2FV 2FW ize A4 Paper si Ing hart No 3 Manual feed tray paper feed iming c 3 T s 6 9 c2c4 GY uey J
39. 2FV 2FW 2 Downloading the firmware from the parallel interface For 16 18 ppm printers This section explains how to download firmware data from the parallel interface The printer system can automatically rec ognize whether the data to be overwritten is for controller firmware CAUTION Downloading the firmware takes several minutes Do not turn power off during downloading 1 Turn printer and PC power off 2 Connect the parallel printer cable between the PC and the printer PC Parallel cable Figure 1 7 2 1 7 2 2GL 2FV 2FW 3 Turn printer power on 4 Confirm that LED indication status 1 is displayed 5 Atthe DOS prompt enter command c echo R UPGR SYS EXIT gt prn 6 Confirm that LED indication status 2 is displayed 7 Confirm that LED indication status 3 is displayed At the DOS prompt enter com mand so that the system firmware example S2FV_1000001021 cmp is copied to the printer c copy 2FV_1000001021 cmp prn 8 LED indication status 3 are displayed during downloading When LED indication status 5 is displayed to indicate down loading is finished turn printer power off then on If downloading fails the printer indicates an error display using the LED indicators See table below LED indication status 6 9 Confirm that LED indication status G is displayed after warm up 10 Print a status page See page 1 4 3 11 Check that the status page shows t
40. 4 3 9996 01 6000 3 2 9995 01 6000 2 1 9994 01 6000 1 42 Maintenance Log Count item 11234 02 00 10000 02 00 9999 02 00 9998 02 00 9997 02 00 9996 02 00 9995 02 00 9994 02 00 a3 Counter Log PM W UO NI O mH J00 0 J43 0 h C 6000 4 i MOO 1 J05 0 J44 0 C 6050 1 J09 0 J46 g105 O 747 J11 0 J50 J12 0 J51 9 313 0 352 J14 0 J53 J15 0 J60 a J61 J30 0 3987 J35 0 J88 J40 0 J89 J41 J42 Figure 1 4 5 Event log For 16 18 ppm printers 1 4 7 2GL 2FV 2FW Service items Description e C Engine high voltage PWB mask Engine mask version Engine software version version Operation panel PWB mask version BROM version Software jumper switch infor First byte mation bit 0 1 Fixed hexadecimal bit 1 0 Overseas 1 Domestic Japan First byte second byte dis bit 2 3 Not used played in OEM mode only bit 4 0 Kyocera 1 OEM bit 5 0 For Europe 1 For US bit 6 0 Non MICR mode 1 MICR mode bit 7 Not used Second byte Displayed in OEM mode only 5 Main PWB mask version 6 Main PWB firmware release date Total page counter Drum serial number Printer serial number Paper Jam Log Count Event Remembers 1 to 8th of The total page Log code 2 digit occurrence If the count at the time of hexadecimal 6 occurrence of the the paper jam categories previous paper jam is less than 8 all of the a Cause
41. 4 V DC power input via interlock switch Heater lamp On Off Sleep mode On Off Exit sensor On Off Zero cross signal 24 V DC power output 24 V DC power output Ground Ground 2GL 2FV 2FW 2 3 2 Engine high voltage PWB Operation panel PWB Engine high voltage PWB EECLK EEPROM _EEDIO U2 FPSW Registration FPLED1 FPLED2 BUZZ RESETN Reset IC U3 clutch Feed clutch Toner empty sensor Waste toner Buzzer REGSOLON a FEDSOLON Cooling fan motor FANL VV MMOTON MOTCLK MMOTRDY gt gt Main motor UN Registration TNFULL full sensor Eraser lamp PWB Laser scanner unit Main PWB Paper sensor ERASERON Fuser thermistor Power source Fuser temperature HEATN abnormal circuit PLGCLK PWB SLEEPN ZCROSS EXITPAP Interlock E OUTPEN switch s PLGCLK 24V1 a 24V2 Seded _ 24V2 RESETN _ 5V EGIRN ILOCK SDIR SBSY PDMASKN re High eee vasa Wm Developing bias circuit E Transfer bias Figure 2 3 2 Engine high voltage PWB block diagram The engine high voltage PWB consists mainly of CPU U1 and it is primarily divided into the engine circuit section that controls the entire hardware such as the process and paper feeding conveying mechanism and the high voltage circuit section that generates various high voltages to out
42. B Defective connect PWB Replace the connect PWB 1 5 14 2GL 2FV 2FW 5 Broken feed clutch coil Check for continuity across the coil If none replace the feed The feed clutch does clutch opera Poor contact in the feed Reinsert the connector clutch connector terminals Defective harness between Check for continuity across the harness If none replace the char connect PWB and engine ness high voltage PWB Defective engine high volt Replace the engine high voltage PWB See page 1 6 17 age PWB Defective connect PWB Replace the connect PWB Poor contact in the eraser Reinsert the connector lamp PWB connector ter minals 6 The eraser lamp PWB does not turn on Defective eraser lamp Check for continuity If none replace the eraser lamp PWB See PWB page 1 6 22 Defective engine high volt If the eraser lamp PWB turns on when YC8 2 on the engine high age PWB voltage PWB is held low replace the engine high voltage PWB See page 1 6 17 6 Broken wire in heater lamp Check for continuity across each heater lamp If none replace the The heater lamp heater lamp See page 1 6 11 does not turn on Thermal cutout triggered Check for continuity across thermal cutout If none remove the cause and replace the thermal cutout See page 1 6 11 7 Broken fuser thermistor Measure the resistance If it is Q replace the fuser thermistor The heater lamp See
43. Engine high voltage PWB Thermal cutout HEATN SLEEP ZCROSS YC1 6 YC1 7 gt YC 1 9 Fuser thermistor Figure 2 1 15 Fuser section block diagram 2GL 2FV 2FW 2 1 8 Paper exit section 1 Paper exit section The paper exit section transports the paper which passed the fuser unit towards the output tray The paper which passed through the fuser unit turns on the exit sensor which is driven by the fuser actuator in the fuser unit and is led by the guide comprised of the rear cover and the frame finally reaching the FD roller The paper is delivered to the output tray by the rotation of the FD roller Figure 2 1 16 Paper exit section 1 Output tray 2 FD pulley 3 FD roller 4 Rear cover 5 Fuser actuator 6 Exit sensor actuator 2 1 13 2GL 2FV 2FW Fuser unit N Engine high voltage PWB Exit sensor Power source PWB Figure 2 1 17 Paper exit section block diagram 2 1 14 2GL 2FV 2FW 2 2 1 Electrical parts layout 1 Electrical parts layout Drum unit Figure 2 2 1 Electrical parts layout Main PWB For 16 ppm GDI printer Controls the software such as the print data processing and provides the interface with computer Main PWB For 16 18 ppm printers Controls the software such as the print data processing and provides the interface with computer Engine high voltage PWB Controls the input
44. Full Speed USB2 0 Host based 600 dpi mode 600 x 600 dpi 245 x 380 x 390 mm 9 6 x 15 0 x 15 4 Main unit 9 2 kg 20 3 lbs 220 240 V AC 50 60 Hz European countries 120 V AC 60 Hz U S A Canada Maximum 830 W 220 240 V model 823 W 120 V model Normal operating 302 W 220 240 V model 295 W 120 V model Ready 5 W 220 240 V model 5 W 120 V model EcoPower 4 2 W 220 240 V model 3 8 W 120 V model 3 4 A 220 240 V model 6 8 A 120 V model Printing 49 dB A Ready 28 dB A 2GL 2FV 2FW 1 16 ppm printer FS 820 EV DG pe Desktop Printing system Electrophotographic printing Paper type Paper cassette Plain paper 60 to 105 g m Recycled paper 60 to 105 g m Thick paper 90 to 105 g m Manual feed tray Plain paper 60 to 163 g m Recycled paper 60 to 163 g m Thick paper 60 to 163 g m Special paper Transparencies labels envelopes postcards tracing paper Paper sizes Aae Paper cassette A4 210 x 297 mm B5 182 x 257 mm A5 148 x 210 mm Folio 210 x 330 mm Letter 81 x 11 Legal 81 x 14 Officio I 87 x 13 Non standard size 148 x 210 mm to 216 x 356 mm Manual feed tray A4 210 x 297 mm B5 182 x 257 mm A5 148 x 210 mm Folio 210 x 330 mm Letter 81 x 11 Legal 81 x 14 Officio II 8 x 13 Non standard size 70 x 148 mm to 216 x 356 mm Print Sp
45. Main motor Figure 2 1 2 Paper feeding conveying section block diagram 2 1 2 2GL 2FV 2FW 2 1 2 Drum section 1 Drum unit The durable layer of organic photoconductor OPC is coated over the aluminum cylinder base The OPC tend to reduce its own electrical conductance when exposed to light After a cyclic process of charging exposure and development the electrostatic image is constituted over the OPC layer Since the OPC is materialized by resin it is susceptible to damage caused by sharp edges such as a screwdriver etc resulting in a print quality problem Also finger prints can cause deterioration of the OPC layer therefore the drum in the drum unit must be handled with care Substances like water alcohol organic solvent etc should be strictly avoided As with all other OPC drums the exposure to a strong light source for a prolonged period can cause a print quality prob lem The limit is approximately 500 lux for less than five minutes If the drum drum unit remains removed form the printer it should be stored in a cool dark place AERE 0 9 GG Figure 2 1 3 Drum unit 1 Drum frame 2 Drum cover A 3 Drum cover B 4 Waste toner cover 5 Drum OPC 2GL 2FV 2FW 2 Main charger unit As the drum rotates in a clean neutral state its photoconductive layer is given a uniform positive corona charge dis persed by the main charger wire Due to high v
46. N1 EBWEN1 CDWAITN CDET CDRST EBA22 EBA10 1 Memory card P1284DIR NAUTOFD NINIT NSELIN NSTROBE NACK PERROR SELECT FAULT BUSY PDATA7 0 D d gt No w O o wW c LU W PNSELIN PNSTROBE PNAUTOFD PNINIT PNACK PPERROR PSELECT PFAULT PBUSY PPDATA8 1 Power source 5V SGND SCKN SO PLGCLK SBSY SI SDIR EGIRN PDMASKN RESIN OUTPEN VDFONSPL PDN optional EBD15 1 U01 Power PC405 266 MHz EBD31 0 EBIU data bus RISC processor Core ASIC SDA12 0 SDRAM address bus SDA11 0 LO RASN CASN WEN BA1 BAO SDCLKE Lor DQMU YS01 SDD31 0 SDD15 0 SDA12 0 IICSCL DIMM lICSDA slot SDCLK SDCLK T SDRAM SDCSN1 2 SDCSNO SDD31 16 SDD31 0 SDRAM data bus U07 5V1 3 3V1 3 3 V regulator Figure 2 3 5 Main PWB block diagram For 18 ppm printer The main PWB consists mainly of CPU U01 and primarily performs the printing data processing and interface controls with computers The CPU U1 outputs the laser light and executes printing following the code ROM U05 that stores the control programs being linked with the process and paper feeding conveying mechanism that the engine high voltage PWB controls 2 3 8 2GL 2FV 2FW 2 4 1 Appendixes Paper size A4 For 16 16 ppm GDI printers ing hart No 1 Cassette paper feed iming c 1 T S ZL LL OL 80401 90ZLL 80204 80204 8
47. PWB See page 1 6 17 4 EcoPrint setting The EcoPrint mode can provides faint unsharp printing because it acts to conserve toner for draft printing purpose For normal printing turn the EcoPrint mode off by using the operator panel For details refer to the operation guide 8 Gray background Causes 1 Print density setting 2 Defective drum surface potential ABC 3 Defective main charger grid 123 4 Developing roller in the developer unit Causes Check procedures corrective measures Print density setting The print density may be set too high Try adjusting the print density For details refer to the printer s operation guide Defective drum surface potential The drum surface potential should be approximately 470 15 V This may vary depending on production lots Measurement is possible only by using the jig and tool specifically designed for this purpose The drum unit will have to be replaced if it bears values far out of the allowable range Defective main charger grid Clean the main charger grid Defective developing roller in the devel If a developer unit which is known to work normally is available for check oper unit replace the current developer unit in the printer with the normal one If the symptom disappears replace the developer unit with a new one See page 1 6 6 1 5 21 2GL 2FV 2FW 9 Dirt on the top edge or back of Causes the paper 1 Toner contamination in various
48. RASN CASN WEN BA1 BAO U03 X1 jU2 i DQML D1QMU _ SDRAM 48 000 MHz SDCSNO SDCLK YC2 T USBDP SDD15 0 SDRAM data bus USB USBDN RISC CPU dd Core ASIC FSSO Au RESIN ESTSN ECCLKN ECMDN FSRSTM Flash FSCSN memory VIDEON ESBSYN Engine VDCLK VBDN I F ECPRDYN VXC Fa ERSTN EINTN P04 P05 06 P07 2 99V1 3 3 V regulator PLGCLK SBSY SDIR EGIRN U6 Gate array OSC video YC4 OUTPEN gt MOM APC VDATA 85 761 MHz IE VDFONSPL PDN Figure 2 3 3 Main PWB block diagram For 16 ppm GDI printer The main PWB consists mainly of CPU U1 and primarily performs the printing data processing and interface controls with computers The CPU U1 outputs the laser light and executes printing following the flash memory U4 that stores the control programs being linked with the process and paper feeding conveying mechanism that the engine high voltage PWB controls 2 3 6 For 16 ppm printer EBA22 1 Xtal video X02 VXIN 37 6687 MHz VXOUT EBCSNO 1 EBOENO EBWENO EBIU address bus EBA21 1 EBD31 16 2GL 2FV 2FW OSC USB SAN System 208 UXIN 48 000 MHz EBCSN2 EBA22 EBA10 1 EBOEN1 EBWEN1 YC02 CDWAITN CDET Memory USB USBDP a optional EBD15 1 ve USBDN Power PC405 192 MHz RISC P1284DIR NSELIN NSTROBE processor EBD31 0 EBIU data bus
49. Start Turn power switch off and remove power cord Detach YC7 connector on the engine high voltage PWB Measure resistance between pins 1 and 2 of the detached connector Open infinite Replace the fuser thermistor See page 1 6 11 Detach YC1 connector on the power source PWB Measure resistance between pins 1 and 2 of the detached connector Open infinite Replace the thermal cutout or heater lamp See page 1 6 11 Replace the engine high voltage PWB See page 1 6 17 1 5 8 2GL 2FV 2FW Code Contents Fi 5 Check procedures corrective measures 6010 Fuser low temperature Defective the fuser Follow the flow chart E4 e After the fuser heater lamp is turned thermistor on the temperature at the upper fuser roller lower than 100 C 212 F contin sel ues for 30 s engine high volt age PWB Check the installation condition of the fuser thermistor See page 1 6 11 Remedy or replace the fuser thermistor Replace the engine high voltage PWB See page 1 6 17 Turn power switch off then on 6010 error shown Replace engine high voltage PWB See page 1 6 17 End 1 5 9 2GL 2FV 2FW Code Contents Causes Check procedures corrective measures Broken fuser thermistor Defective the fuser Follow the flow chart The thermistor AD value is less than 1 thermistor for 3 s Defective the engin
50. Y and ATTENTION indicators LED indicator ATTENTION indicator Amber Indication example N 7 N C i lt GI D Lit off t eii e c I Out eor READY indicator Green Example self diagnostic code E6 F050 The ATTENTION indicator means 1 when it flashes in synchronization with the READY indicator which flashes at the interval of 1 2 second and it means 0 when it turns off This is repeated 8 times Two digit self diagnostics codes are indicated in 8 indtesta The bits 2 digits hexadecimal using the ATTENTION indicator occurrence of a self diagnostics error Interval E Hexadecimal 1 1 1 0 0 1 1 0 NN N 4 ATTENTION O e Veveveceeerevece 736 24s Repeat N L N 7 N L N 4 N L N L N 4 N 4 P READY e 00000000000000086 Self diagnostic code conversion table Self diagnostic code ATTENTION indicator 4 digits 2 digits Figure 1 5 3 Self diagnostic code indication 1 5 3 2GL 2FV 2FW 2 Self diagnostic codes Code Contents REMARKS Check procedures corrective measures Defective harness Follow the flow chart between engine Main motor error e The main motor ready input is not given for two seconds during the main motor is driven high voltage PWB and main motor Defective main motor Defective engine high voltage PWB Defective drive unit Reinsert the connector of harness
51. ay cause the printer to move unexpectedly or topple leading to injury Avoid inhaling toner or developer excessively Protect the eyes If toner or developer is acciden tally ingested drink a lot of water to dilute it in the stomach and obtain medical attention immedi ately If it gets into the eyes rinse immediately with copious amounts of water and obtain medical ENN Advice customers that they must always follow the safety warnings and precautions in the printer s MTB acta u uyu yam uu BSD an m sata dx M Ue E ID dI 2 Precautions for Maintenance AAWARNING Always remove the power plug from the wall outlet before starting machine disassembly E Always follow the procedures for maintenance described in the service manual and other related Process rs Q Under no circumstances attempt to bypass or disable safety features including safety mechanisms and POENGET eee Q Always use parts having the correct specifications Q Always use the thermostat or thermal fuse specified in the service manual or other related bro chure when replacing them Using a piece of wire for example could lead to fire or other serious Qo NNN When the service manual or other serious brochure specifies a distance or gap for installation of a part always use the correct scale and measure carefully
52. ctive drum Follow the flow chart DA more than 100 000 pages of printing unit The toner full sensor has detected that Defect t the waste toner is full before the total t S sul tasha print page of more than 100 000 Mee pages Defective engine high voltage PWB Shake the drum unit horizontally Turn power switch off then on 7990 error shown Yes Replace the drum unit See page 1 6 6 Turn power switch off then on 7990 error No shown Yes Replace waste toner full sensor or engine high voltage PWB See page 1 6 17 1 5 12 Contents Code ROM checksum error 16 18 ppm printers only Checksum for the code ROM that holds the system program is wrong 2GL 2FV 2FW Causes Check procedures corrective measures Defective code ROM on board Replace the main PWB See page 1 6 16 Defective PWB Replace the main PWB See page 1 6 16 Memory check error Access to the expansion memory DIMM or RAM on the main PWB failed Defective main PWB Replace the main PWB See page 1 6 15 or 1 6 16 Defective expan sion memory DIMM 16 18 ppm print ers only Replace the expansion memory DIMM See page 1 3 6 Main PWB system error The error pertaining to the system occurred except the FO F010 condi tion Defective main PWB Replace the main PWB See page 1 6 15 or 1 6 16 Main Engine communication error The c
53. d by magnet is positioned approxi mately 0 30 mm above the developing roller to constitute a smooth layer of toner in accordance with the roller revolution The developing roller is applied with the AC weighted positive DC power source Toner on the developing roller is given a positive charge The positively charged toner is then attracted to the areas of the drum which was exposed to the laser light The gap between the drum and the developing roller is 0 32 mm The non exposed areas of the drum repel the positively charged toner as these areas maintain the positive charge The developing roller is also AC biased to ensure contrast in yielding by compensating the toner s attraction and repelling action during development DLP case DLP screw B Doctor blade Magnet roller DLP shutter 1 2 3 Developing sleeve 4 DLP screw A Toner container 2 1 2GL 2FV 2FW Engine high voltage PWB Developing bias output 350 5 V DC AC Developing roller TB1 Figure 2 1 9 Developing section block diagram 2 1 8 2GL 2FV 2FW 2 1 5 Transfer section The image developed by toner on the drum is transferred onto the paper because of the electrical attraction between the toner itself and the transfer roller The transfer roller is negatively biased so that the positively charged toner is attracted onto the paper while it is pinched by the drum and the transfer roller Transfer roller
54. d then remove the right cover IV x C Four latches NU ight cover cover inside Figure 1 6 2 Removing the right cover 1 6 2 2GL 2FV 2FW 1 5 Remove the left cover by removing three hooks and three latches ULN N III i Three latches cover inside When refitting the left cover attach in order to shown in a figure 1 6 3 Left cover DOO 022 OO 00 5X9 Procedure of refitting the left cover 6 Remove the one connector 7 While opening the rear cover and then remove the two screws 8 While unhooking the hooks and then remove the top cover Rear cover Connector Figure 1 6 4 Removing the top cover 1 6 3 2GL 2FV 2FW 1 6 3 Paper feeding conveying section 1 Detaching and refitting the paper feed roller Procedure 1 Remove the paper cassette 2 Remove the paper feed roller 1 6 4 Figure 1 6 5 Removing the paper feed roller 2 Detaching and refitting the transfer roller lt Procedure gt 1 Remove the developer unit and drum unit See page 1 6 6 2 Remove the transfer roller from bushes 2GL 2FV 2FW Paper passing direction Short Long Transfer roller nct Bush lt Transfer roll Paper passing GC ransfer roller gear Pasts Spring black Transfer roller Bush Spring d Figure 1 6 6 Removing the transfer roller 1 6 5 2GL 2FV 2FW 1 1 6 4 Process section 1 Detachin
55. e high volt age PWB Turn power switch off and remove power cord Detach YC7 connector on the engine high voltage PWB Measure resistance between pins 1 and 2 of the detached connector Open infinite i Replace fuser thermistor See page 1 6 11 Replace engine high voltage PWB See page 1 6 17 Zero cross signal error Defective the Follow the flow chart e While fuser heater ON OFF control is power source performed the zero cross signal is not PWB input within 3 s Defective the engine high volt age PWB Replace the power source PWB See page 1 6 17 Replace the engine high voltage PWB See page 1 6 17 1 5 10 2GL 2FV 2FW Code Contents NENNEN INN Check procedures corrective measures 7980 Waste toner full Total page countless Defective drum Follow the flow chart D9 than 100 000 pages of printing unit e The toner full sensor has detected that l Defective waste the waste toner is full before the total ee print page of less than 100 000 pages Mee Defective engine high voltage PWB Shake the drum unit horizontally Turn power switch off then on 7980 error shown Turn power switch off then on 7980 error No shown End Replace the waste toner full sensor or engine high voltage PWB See page 1 6 17 1 5 11 2GL 2FV 2FW Code Bonne x emas O Check procedures corrective measures 7990 Waste toner full Total page count Defe
56. e jeuJs sezis elpaW JO peMwoj e eq pinous s G jo poled u duje 1 1 e u au Burj ouuoo JO Buniem JO du JO poued y sjuesauJdoJ v J LON S WW Gg peeds wnq g r Z L 0 r8 V 006 99 V 006 0 l6vy 16Lv c99 LGEL v9c yell 99 V 006 OGL 08LG 99Z TOVE 008 9LGG 002 001 0 sw 0 2 4 3 NAdLNO yun Jouueos Jose MSVINGd JIUN Joeuueos Jose seq JoJsueJ sei Buioj A dq yoinjo uoneJisiDe uoin o pee Josues Ixy JOSUSS uonejsibey JaBseyo ules NOD 1d HUN Jeuueos J se duue JoseJ4 JOJOUI UIEN 2GL 2FV 2FW 4 Wiring diagram HUN JOUUBDS JOSE apolp Jose m JO OUJ uoBAjogd _ N OO TO JOSUSS Spolp oloud uld E COYCAIC 6LOEOS Ajuo suajuld wdd 9 9 x jnojno Jeuuau v CN CO SE LO CO S31 sheay O O GO09TNHT 6c0 0S JOJOW Ule N LLLL dM aMd eued uonesadQ L Jojo euuoo Aejay M109 1d VO9cAdc LZ0 0S JLONIY MTOLON AND S r x AG311ONN L JOJOW ue Buijooo Josues nj Jeuo ejseAA EAvC NVH LAYC AND TINANL AG zaida d Lax1a3 MSd4 L ANS Lt uoinjo uoneJisibes NOT1OSG34 ENDC LLL dM 8Md 198UU09 CAVC NOT1OS9384 NOT1OGG34 V0 09ZAJZ fan OK
57. edures corrective measures 1 Defective drum unit or developer unit Open the printer top cover and check that the drum unit and developer unit is correctly seated Check for poor contact of the main charger termi nal between the main charger unit and the drum unit 2 Defective transfer bias potential Check the transfer bias output on the engine high voltage PWB This requires removal of the left cover and the test equipment Replace the engine high voltage PWB if high voltage potential is not available on the PWB See page 1 6 17 3 Defective laser scanner unit The scanner components within the scanner may be disordered Replace the laser scanner unit See page 1 6 20 4 Defective main PWB Defective laser scanner unit control circuit in the main PWB See page 1 6 15 or 1 6 16 2 No image appears Causes entirely black 1 Defective main charger unit 2 Defective main charger high voltage output Defective main charger unit 3 Defective engine high voltage PWB 4 Defective main PWB Check procedures corrective measures Open the printer top cover and check that the drum unit is correctly seated Check for poor contact of the main charger terminal between the main charger unit and the drum unit Defective main charger high voltage out put Defective engine high voltage PWB Defective main PWB 1 5 18 Make sure the main charger high voltage output from the engine hig
58. eeds ape A4 16 pages minutes Letter 17 pages minutes First print time 11 seconds or less ready 21 seconds or less sleep Warm up time 16 seconds or less power on 12 seconds or less sleep Paper feed system One universal cassette and one manual feed tray Paper loading capacity Paper cassette 250 sheets 80 g m 0 11 um Manual feed tray 1 sheet 80 g m 0 11 um Paper exit system Face down 100 sheets 80 g m 0 11 um Photoconductor OPC drum diameter 30 mm Charging system Scorotron positive charging Developing system Mono component dry developing method Toner replenishing Automatic from the toner container Transfer system Transfer roller negative charged Separation system Small diameter separation Fixing system Heat roller system Charge erasing system Exposure by eraser lamp LED Cleaning system Drum Counter blade 2GL 2FV 2FW Controller hardware Interface Controller software CPU PowerPC405 192 MHz System ROM 4 MB on board Font ROM Including System ROM
59. egulator section that is the main part other zero cross signal detection circuit and heater lamp control circuit The switching regulator circuit consists of the noise filter circuit rectification smooth ing circuit switching control circuit 5 V DC rectification smoothing output circuit 24 V DC rectification smoothing output circuit and overvoltage detection circuit and this circuit converts the AC power input to the 5 V DC and 24 V DC power source by the switching operation and outputs it to the engine high voltage PWB The zero cross signal detection circuit detects the 0 V point zero cross of the AC wave form and outputs to the engine high voltage circuit and the engine high voltage PWB outputs the heater lamp ON signal HEATN to the heater lamp control circuit based on the timing of zero cross signal ZCROSS and controls the AC power loading to the heater lamp 2 3 1 2GL 2FV 2FW BC Connected to the AC inlet ERA 220 240 V AC 120 V AC AC power input AC power input Connected to the heater lamp 220 240 V AC 120 V AC 220 240 V AC 120 V AC Power supply for heater lamp On Off Power supply for heater lamp On Off Connected to the engine high voltage PWB 2 3 2 5V GND GND 24V HEATN SLEEP EXITIN ZCROSS 24V 24V GND GND 5 VDC oV DC 24 V DC 0 24 V DC 0 5 V DC 0 5 V DC 0 5 V DC pulse 24 V DC 24 V DC 5 V DC power output 5 V DC power output Ground Ground 2
60. g and refitting the developer unit and drum unit When replacing the drum unit which was for example damaged due to scratches the waste toner reservoir is full per form the drum unit optimization procedure See page 1 6 7 lt Procedure gt 1 Open the top cover 2 Remove the developer unit with toner con Top cover tainer a Figure 1 6 7 Removing the developer unit 3 Remove the drum unit Figure 1 6 8 Removing the drum unit 2GL 2FV 2FW 1 2 Drum unit optimization When replacing the drum unit which was for example damaged due to scratches the waste toner reservoir is full per form the drum unit optimization procedure drum unit optimization sets the proper main charger current control according to the surface sensitivity of the drum lt Procedure gt 1 Turn power off 2 Open the top cover 3 Remove the developer unit Top PE Developer unit 4 Remove the old drum unit Install the new drum unit Close the top cover without installing the developer unit 7 Turn power on The LED indicators dis played developer unit missing error indica tion READY indicator Off ATTENTION indicator Lit 8 Press the CANCEL key 5 seconds or more 9 Drum unit optimization is complete when let ting go off of the CANCEL key Completion Printer starts idling for 10 seconds Idling can be checked by rotation of FD roller Failure Printer does not start idling Time to press the CANCEL key
61. h voltage PWB correctly arrives at the drum unit main charger unit Check the high voltage output on the engine high voltage PWB Replace the engine high voltage PWB if high voltage potential is not available on the PWB See page 1 6 17 Replace the main PWB See page 1 6 15 1 6 16 2GL 2FV 2FW 3 Dropouts Causes 1 Defective developing roller in the developer unit 2 Defective drum unit ABC 3 Defective fuser unit 123 4 Defective paper specifications 5 Defective transfer roller installation 6 Defective engine high voltage PWB transfer bias potential Causes Check procedures corrective measures 1 Defective developing roller in the devel Oper unit If the defects occur at regular intervals of 47 2 mm the problem may be the damaged developing roller in the developer unit Replace the devel oper unit See page 1 6 6 Defective drum unit If the defects occur at regular intervals of 94 mm the problem may be the damaged drum in the drum unit Replace the drum unit See page 1 6 T Defective fuser unit If the defects occur at regular intervals of 63 mm heat roller or press roller the problem may be the damaged fuser unit Replace the press roller or heat roller See page 1 6 11 Defective paper specifications Defective transfer roller installation 6 Defective engine high voltage PWB transfer bias potential Paper with rugged surface or dump tends to cause dropouts
62. h a voltage other than that specified Avoid multiple connections to one outlet they may cause fire or electric shock When using an extension cable always check that it is adequate for the rated current Connect the ground wire to a suitable grounding point Not grounding the printer may cause fire or electric shock Connecting the earth wire to an object not approved for the purpose may cause explosion or electric shock Never connect the ground cable to any of the following gas pipes lightning rods ground cables for telephone lines and water pipes or faucets not approved by the Proper UN OFTES aars S CAUTION e Do not place the printer on an infirm or angled surface the printer may tip over causing injury Q e Do not install the printer in a humid or dusty place This may cause fire or electric Shock Q Do not install the printer near a radiator heater other heat source or near flammable material METER Q Allow sufficient space around the printer to allow the ventilation grills to keep the machine as cool as possible Insufficient ventilation may cause heat buildup and poor copying performance Q Always handle the machine by the correct locations when moving It Always use anti toppling and locking devices on printers so equipped Failure to do this m
63. he updated firmware version Table 1 7 1 ATTENTION indicator O LED Indicator explanatory notes READY indicator Supervisor mode Waiting for parallel data Receiving data e N 7 N e 7 O N N 7 N 7 N 7 N 7 N OQ e oO e o e o e o e Nan Nam Nie am OK KR E Beheer N74 NN NA OG C e e eoe c c e e e e o LTN N 7 N 7 Deleting and writing data P4 O N 7 N N 7 O N N 7 O N 7 N O Downloading complete 7 N O N 7 N N 7 LTN 4 7 N N O 7 N 4 e 7 4 O 7 O O N CC CY OY LON ZTN N FTN O N Downloading failed N N SN 7 N FTN N N N 7 N 7 N 7 N N N 7 O 4 7 O NAN N o o o LON LTN ZTN SN N O 1 7 3 2GL 2FV 2FW 3 Downloading the firmware from the memory card For 16 18 ppm printers To download data written in a memory card CompactFlash to the printer proceed as explained in this section CAUTION Downloading firmware takes several minutes Do not turn power off during downloading If downloading is interrupted by an accidental power failure etc the main PWB may have to be replaced Do not download the system firmware and engine firmware at one time Store the either firmware in a memory card and download one by one Turn power switch off Remove the right side cover
64. iner 5 to 6 times and then shake the container horizontally to dis Toner container tribute the toner evenly 2 Remove the label from the toner container Figure 1 3 3 3 Turn the toner container release lever to the UNLOCK position Top cover Toner container 7 4 Install the toner container in the printer ae Push firmly on the top of the container at the positions marked PUSH HERE until you hear a click 5 Turn the toner container release lever to the LOCK position 6 Close the top cover a i z UNLOCK T t release lever ONL UNECE Figure 1 3 4 1 3 3 2GL 2FV 2FW Loading paper 1 1 3 4 Pull the paper cassette completely out of the printer Push on the base plate until it click into posi tion flat Adjust the paper length guide and paper width guides to the paper size required Load the paper in the paper cassette Push the paper cassette back into the printer until it stops Figure 1 3 5 Paper cassette Paper length guide Paper width guide Base plate Figure 1 3 6 Paper cassette 2GL 2FV 2FW Connecting the cable 1 Connect the printer cable to the USB or par allel 16 18 ppm printers only interface con nector 2 Connect the other end of the printer cable to the PC s interface connector 3 Connect the power cord to the printer AC inlet 4 Connect the power cord to the wall outlet connector 16 18 ppm printers only AC inlet Power switch
65. lowing electromagnetic Check visually and remedy if necessary clutches are installed correctly Feed clutch and registration clutch 1 5 23 2GL 2FV 2FW This page is intentionally left blank 1 5 24 2GL 2FV 2FW 1 6 1 Precautions for assembly and disassembly 1 Precautions Be sure to turn the power switch off and disconnect the power plug before starting disassembly When handling PWBs printed wiring boards do not touch parts with bare hands The PWBs are susceptible to static charge Do not touch any PWB containing ICs with bare hands or any object prone to static charge Use only the specified parts to replace the fuser thermostat Never substitute electric wires as the printer may be seriously damaged Use the following circuit testers when measuring voltages Hioki 3200 e Sanwa MD 180C Sanwa YX 360TR e Beckman TECH300 e Beckman DM45 Beckman 330 Capable of measuring RMS values Beckman 3030 Capable of measuring RMS values e Beckman DM850 Capable of measuring RMS values e Fluke 8060A Capable of measuring RMS values Arlec DMM1050 Arlec YF1030C 1 6 1 2GL 2FV 2FW 1 1 6 2 Outer covers 1 Detaching and refitting the right side cover right cover left cover and top cover lt Procedure gt 1 Open the top cover 2 Remove the right side cover Top cover Right side cover Figure 1 6 1 Removing the right side cover 3 Remove the paper cassette 4 Unlatch the four latches an
66. mercial 9 11 Commercial 6 12 ISO B5 13 Custom 1E International C4 1F JIS hagaki 20 JIS oufuku 21 Officio2 22 Special 1 23 Special 2 24 A3 wide 25 Ledger wide 26 Full bleed paper 12 x 18 27 8K 28 16K R A8 16K E 32 Statement R B2 Statement E 33 Folil 34 Youkei 2 35 Youkei 4 1 4 9 2GL 2FV 2FW me RN u Service Call Log Self diagnostic error e Detail of paper type Hexadecimal Plain Transparency Preprint Labels Bond Recycle Vellum Rough Letter head OA Color OB Prepunched OC Envelope OD Cardstock OE Coated OF 2nd side 10 Media 16 11 High quality f Detail of paper exit location 01 Output tray Remembers 1 to 8 of occurrence of self diagnostics error If the occurrence of the previous diagnostics error is less than 8 all of the diagnostics errors are logged 02 to 48 Not used Count The total page count at the time of the self diag nostics error 15 Custom 1 16 Custom 2 17 Custom 3 18 Custom 4 19 Custom 5 1A Custom 6 1B Custom 7 1C Custom 8 Self diagnostic error code See page 1 5 3 2 Maintenance Log 3 Counter Log Comprised of three log counters including paper jams self diagnostics errors and replacement of the toner container 1 4 10 Remembers 1 to 8 of occurrence of replace ment If the occurrence of the previous replace ment of toner
67. n power off 7 Remove the memory card and then refit the right side cover 8 Turn power on again Check the printer gets ready 9 Print a status page See page 1 4 3 10 Check that the status page shows the updated firmware version 1 7 5 2GL 2FV 2FW This page is intentionally left blank 1 7 6 2 1 1 Paper feeding conveying section 2GL 2FV 2FW The paper feeding conveying system picks up paper from the paper cassette manual feed tray feeds it in the printer and delivers in the output tray Paper is feed at the precise timing in synchronization with data processing 1 Paper feed section The figure below shows the components in the paper feeding conveying section and the paths through which the paper travels The sensors clutches motor etc are described in the following pages Feed roller Feed pulley Lower registration roller Upper registration roller Registration sensor Actuator Base plate O IRON Cassette bottom Bottom pad Paper separator Separator pad Manual feed tray Feed guide 2GL 2FV 2FW Engine high voltage PWB Connect PWB 24V3 Feed clutch YC403 1 YC401 8 GND 2405 vC401 2 REGSOLON Registration YC402 1 YC401 1 24V3 clutch REGDR vcC402 2 Registration sensor 24V3 ves 1 H CN1 1 GND i aper Sensor CN1 2 MMOTEDY YC5 2 p CN1 3 ona YC5 4 CENTS I REMOTE CN1 5 REMOTE ves
68. ndicator CANCEL key 1 1 3 Cross section view 2 8 6 4 Paper path DNS O N Figure 1 1 3 Paper cassette Manual feed tray Paper feeding conveying section Toner container Developer unit Main charger unit pa 10 Paper exit section 12 Drum unit Laser scanner unit Transfer section Fuser unit Output tray 2GL 2FV 2FW 2GL 2FV 2FW This page is intentionally left blank 1 1 10 2GL 2FV 2FW 1 2 1 Drum unit and developer unit Note the following when handling or storing the drum drum unit e When removing the drum drum unit never expose the drum surface to strong direct light Avoid abrupt changes in temperature and humidity Avoid exposure to any substance which is harmful to or may affect the quality of the drum Do not touch the drum surface with any object Should it be touched by hands or stained with oil clean it Developer unit and toner container Store the developer unit and toner container in a cool dark place Avoid direct light and high humidity 1 2 2 Installation environment TAR WN A 6 Temperature 10 32 5 C 50 90 5 F Humidity 20 80 RH Power supply 120 V AC U S A Canada 220 240 V AC European countries Power source frequency 50 Hz 2 60 Hz 2 Installation location Avoid direct sunlight or bright lighting Ensure that the photo conductor will not be exposed to direct sunlight or
69. ne high voltage YC6 1 and 24 V DC at YCYC3 5 YC3 6 YC5 1 YC9 1 on the PWB engine high voltage PWB If none replace the power source PWB or engine high voltage PWB See page 1 6 17 2 Poor contact in the main Reinsert the connector Also check for continuity within the con The main motor does motor connector terminals nector harness If none remedy or replace the harness not operate Self diagnostic code Broken main motor gear Check visually and replace the main motor if necessary 2000 Defective main motor main motor Replace the main motor See page 1 6 24 a the main motor See page 1 6 24 E engine high volt Replace the ee voltage PWB See page 1 6 17 age PWB 3 Broken cooling fan motor Check for continuity across the coil If none replace the cooling The cooling fan coil fan motor motor does not oper i i RE P Poor contact in cooling fan Reinsert the connector l motor connector terminals 4 Broken registration clutch Check for continuity across the coil If none replace the registra The registration coil tion clutch lutch d t A oP ns Poor contact in the registra Reinsert the connector i tion clutch connector termi nals Defective harness between Check for continuity across the harness If none replace the char connect PWB and engine ness high voltage PWB Defective engine high volt Replace the engine high voltage PWB See page 1 6 17 age PW
70. off completely Ventilate the room well while using grease or solvents Allow applied solvents to evaporate completely before refitting the covers or turning the power switch on Always wash hands afterwards Never dispose of toner or toner bottles in fire Toner may cause sparks when exposed directly to iren a TUM AC Sse Ie dettes uu u era tenait teca ca es ced un fus esee c da in as o ispusu n Zaa Q Should smoke be seen coming from the printer remove the power plug from the wall outlet imme eli A t 3 Miscellaneous WARNING Never attempt to heat the drum or expose it to any organic solvents such as alcohol other than the specified refiner it may generate toxic gas sesssssssssssssssseseenee nne nennen nnn nnne nnns Q This page is intentionally left blank 2GL 2FV 2FW CONTENTS 1 1 Specifications TT SPENN RR 1 1 1 BP NE Gea 1 1 7 Rue p 1 1 7 2 Operation PA ELG 1 1 8 19193 Gross SECHNON VIEW ee 1 1 9 1 2 Handling Precautions 1 2 1 Drum unit nd developer UN avanse 1 2 1 12222 JANSBIE ON ENO EN Aus er aka 1 2 1 1 3 Installation 131 Unpacking and KSSE Kasa u k Su sua bere 1 3 1 CU IAS tallatlOn 9 ge ret eU EE EE NE 1 3 1 1 3 2 Installing expansion memory optional for 16 18 ppm printers 1 3 6 1 3 3 Installing a memory card optional for 16 18 ppm printers
71. oltage scorotron charging the charging wire can get contaminated by oxi dization after a long run Cleaning the charging wire prevents print quality problems such as black streaks On ee eo P Drum C Figure 2 1 4 Main charger unit 1 Main charger shield 2 Main charger wire 3 Main charger grid 4 Main charger wire cleaner Main charger output Main 250110 uA default charger wire Shield Engine high voltage PWB Zener Drum surface PWB potential 470315 V DC Figure 2 1 5 Drum unit and main charger unit block diagram 2 1 4 2GL 2FV 2FW 2 1 3 Expose section 1 Laser scanner unit The charged surface of the drum is then scanned by the laser beam from the laser scanner unit The laser beam 780 nm wavelength beam is dispersed as the polygon motor revolves 27959 rpm to reflect the laser beam over the drum Various lenses and mirror are housed in the laser scanner unit adjust the diameter of the laser beam and focalize it at the drum surface Figure 2 1 6 Laser scanner unit Laser scanner unit MID frame LSU lid LSU shutter LSU mirror Polygon motor mirror N Sm 2 1 5 2GL 2FV 2FW N Figure 2 1 7 Laser scanner unit Laser diode Emits diffused visible laser Cylindrical lens Compensates the vertical angle at which the
72. ommunication breakdown occurred between the main PWB and the engine high voltage PWB during the predetermined period in seconds Engine checksum error Checksum result failed with the CPU and engine high voltage PWB Defective engine high voltage PWB Replace the engine high voltage PWB See page 1 6 17 Defective main PWB Defective engine high voltage PWB Replace the main PWB See page 1 6 15 or 1 6 16 Replace the engine high voltage PWB See page 1 6 17 1 5 13 2GL 2FV 2FW 1 5 3 Electric problems Problem Causes Check procedures corrective measures 1 No electricity at the power Measure the input voltage The machine does outlet gt eo li i power switch is U furede plugged in properly The top cover is not closed Check the top cover completely Broken power cord Broken power cord cord Check for continuity If none Check for continuity If none replace the cord the cord Defective power switch ee ee for continuity across the contacts If none replace the power source PWB See page 1 6 17 Blown fuse in the power Check for continuity If none remove the cause of blowing and source PWB replace the fuse Defective interlock switch Check for continuity across the contacts of interlock switch If none replace the engine high voltage PWB See page 1 6 17 Defective power source With AC present check for 5 V DC at YC4 11 YC7 2 YC10 1 PWB or engi
73. or more Two pages will be printed The second page includes service information Service information Main PWB Refer to next page firmware version Release date of the firmware Firmware version 2FV 3000 001 024 Released 15 Ju1 2004 PAGE PRINTER STATUS PAGE PAGE PRINTER STATUS PAGE l Firmware version 132 00 Released 15 Ju1 2004 Service Information 0000 22 00FLB 03 03 Total page t P00 U00 F00 N00 0020 0020 1061 0811 0 0 0 1 1 A 1234567890123456 03030303 03030303 03030303 03000000 00000000 03030303 03030303 03030303 03030303 03030303 03000000 00000000 03030303 03030303 SPD1 0203040508090A0BOCODOF101112131415161718191A1BIC1D1E1F202122235E 0200000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 183200005A030500 8080060C12180000 0000000000000000 0F0000000000FF00 0000000000000000 0000000000000000 0000000000000000 00000000 SN SPL9200010 Figure 1 4 3 Service status page For 16 18 ppm printers 1 4 3 2GL 2FV 2FW Service items Description 0000 22 00FLB 03 03 Total page D t P00 U00 F00 N00 0020 0020 1061 0811 0 0 0 a 2 1 1 BG 19 A 1234567890123456 46 03030303 03030303 03030303 03000000 00000000 03030303 03030303 0 03030303 03030303 03030303 03000000 00000000 03030303 03030303 8 SPD1 0203040508090A0B0C0DOF101112131415161718191A1B1C1D1E1F202122235E ag 0200000000000000 00000000
74. orted when the resolution is 600 dpi 2 Vector graphic Line Box Circle Arc Fill pattern etc 3 Bar code One dimensional bar code 45 types Two dimensional bar code 1 type PDF 417 4 Text TEXT RTXT etc 5 Others Macro JOB Device setting etc d Connectivity Plug amp play Parallel Windows 9x Me 2000 XP Plug amp play Full Speed USB2 0 Windows 98SE Me 2000 XP Fast1200 mode 1800 x 600 dpi 600 dpi mode 600 x 600 dpi 245 x 380 x 390 mm 9 6 x 15 0 x 15 4 Main unit 9 2 kg 20 3 lbs 220 240 V AC 50 60 Hz European countries 120 V AC 60 Hz U S A Canada Maximum 827 W 220 240 V model 827 W 120 V model Normal operating 315 W 220 240 V model 294 W 120 V model Ready 8 W 220 240 V model 7 W 120 V model EcoPower 4 8 W 220 240 V model 4 4 W 120 V model 3 4 A 220 240 V model 6 8 A 120 V model Printing 49 dB A Ready 28 dB A Expansion memory 64 128 256 MB 100 pin DIMM memory card Compact Flash 1 1 2 Parts names 1 Printer 2GL 2FV 2FW oo E ONS Top cover Operation panel Output tray Paper cassette Manual feed tray Paper gauge Paper stopper 16 ppm GDI printer 16 18 ppm printer Figure 1 1 1 Right side cover Rear cover AC inlet Power switch Toner container USB interface connector Parallel interface connector 2GL 2FV 2FW 2 Operation panel READY indicator GO key Figure 1 1 2 ATTENTION i
75. printer FS 920 EV DG pe Desktop Printing system Electrophotographic printing Paper type Paper cassette Plain paper 60 to 105 g m Recycled paper 60 to 105 g m Thick paper 90 to 105 g m Manual feed tray Plain paper 60 to 163 g m Recycled paper 60 to 163 g m Thick paper 60 to 163 g m Special paper Transparencies labels envelopes postcards tracing paper Paper sizes Aae Paper cassette A4 210 x 297 mm B5 182 x 257 mm A5 148 x 210 mm Folio 210 x 330 mm Letter 81 x 11 Legal 81 x 14 Officio I 87 x 13 Non standard size 148 x 210 mm to 216 x 356 mm Manual feed tray A4 210 x 297 mm B5 182 x 257 mm A5 148 x 210 mm Folio 210 x 330 mm Letter 81 x 11 Legal 81 x 14 Officio II 8 x 13 Non standard size 70 x 148 mm to 216 x 356 mm Print Speeds ape A4 18 pages minutes Letter 19 pages minutes First print time 11 seconds or less ready 21 seconds or less sleep Warm up time 16 seconds or less power on 12 seconds or less sleep Paper feed system One universal cassette and one manual feed tray Paper loading capacity Paper cassette 250 sheets 80 g m 0 11 um Manual feed tray 1 sheet 80 g m 0 11 um Paper exit system Face down
76. put during the process operation 2 3 3 2GL 2FV 2FW wore Connected to the power source PWB CONDO 0i Q BN a GND GND 24V2 HEATN SLEEP EXITIN ZCROSS 24V1 24V1 GND GND 000 24 V DC 0 24 V DC 0 5 V DC 0 5 V DC 0 5 V DC pulse 24 V DC 24 V DC 5 V DC power input 5 V DC power input Ground Ground 24 V DC power output via interlock switch Heater lamp On Off Sleep mode On Off Exit sensor On Off Zero cross signal 24 V DC power input 24 V DC power input Ground Ground YC3 Connected to the laser scanner unit con nect PWB PLGCLK PLGRDY PLGON GND 24V3 24V3 REGSOLON FEDDOLON BUZ FPLED2 FPLED1 FPSW GND O O O0O000000 0 5 V DC pulse 0 5 V DC 0 5 VDC 24 V DC 24 V DC 0 24 V DC 0 24 V DC 0 5 V DC pulse 0 5 V DC 0 5 V DC Analog 5 V DC 3 160 to 3 394 V DC 2 544 to 2 798 V DC 1 947 to 2 193 V DC Polygon motor clock signal Polygon motor Ready Not ready Polygon motor On Off Ground 24 V DC power output 24 V DC power output Registration clutch On Off Feed clutch On Off Buzzer On 4 kHz READY indicator On Off ATTENTION indicator On Off GO key SW1 and CANCEL key SW2 input SW1 Off SW2 Off SW1 Off SW2 On SW1 On SW2 Off SW1 On SW2 On Ground Connected to the main PWB RESETN EGIRN SDIR SBSY PDMASKN EGSI SCLKIN SGSO PLGCLK OUTPEN 5V GND OOD O 00000 0 5 V DC
77. r unit The toner on the paper is molten and pressed into the paper as it passes between the heat roller and the press roller in the fuser unit The heat roller has a heater lamp 750 W inside which continuously turns on and off by the fuser thermistor to maintain the constant temperature onto the heat roller surface The heat roller is resin coated by florin to prevent toner from accumulating on the roller after a long run Care must be taken while handling the heat roller not to scratch the roller surface as doing so may result in print problems The heat roller has four claws separators which are continuously in contact with its surface These claws separators prevent the paper on which toner has been fused from being wound around the heat roller causing paper jam The press roller is made of the heat resistant silicon rubber This roller is used to strongly press the paper towards the heat roller by means of coil springs The temperature of the heat roller is constantly monitored by the engine high voltage PWB using the fuser thermistor and triac Should the temperature of the heat roller exceed the predetermined value the thermal cutout is activated to effec tively disconnect the heater lamp from power 1 Upper fuser frame 5 Heater lamp 2 Lower fuser frame 6 Thermal cutout 3 Heat roller 7 Separators 4 Press roller 8 Fuser actuator 2 1 11 2GL 2FV 2FW 2 1 12 Fuser unit Power source PWB
78. r wire 2 Defective drum surface AB 3 Defective magnet roller in the developer unit 12 Causes 1 Contaminated main charger wire Check procedures corrective measures Clean the main charger wire by sliding the green colored cleaning knob in and out several times 2 Defective drum surface A streak of toner remaining on drum after printing means that the cleaning blade in the drum unit is not working properly Replace the drum unit See page 1 6 7 3 Defective magnet roller in the developer unit 1 5 20 Replace the developer See page 1 6 6 2GL 2FV 2FW 7 Unsharpness Causes 1 Defective paper specifications 2 Defective transfer roller installation ABC 3 Defective transfer bias potential 123 4 EcoPrint setting Causes Check procedures corrective measures 1 Defective paper specifications Paper with rugged surface or dump tends to cause unsharp printing Replace paper with the one that satisfies the paper specifications 2 Defective transfer roller installation The transfer roller must be supported by the bushes at the both ends Clean the bush to remove oil and debris Replace the transfer roller if necessary See page 1 6 5 3 Defective transfer bias potential Check the transfer bias output on the engine high voltage PWB This requires removal of the left cover and the test equipment Replace the engine high voltage PWB if high voltage potential is not available on the
79. re version controller firm ware version and the total print count Printing a service status page should be executed by running the dedicated 16 ppm GDI printer software run on a PC Purpose To obtain printer information Procedure 1 Load the CD ROM Kyocera FS 720 Library supplied with the printer in the optical drive and proceed with software installation according to the instructions given 2 Starting with Windows s Menu browse to the Configuration Tool window following the steps below Start All Programs Kyocera FS 720 Printer Configuration Tool Configuration Tool Printed pages Buzzer Sleep timer 5 Min Details Print Status Page Cancel Apply Help Figure 1 4 1 Configuration tool 3 Click Print Status Page A service status page is printed STATUS PAGE Serial Number SPL4700151 Engine Firmware Version 2FV 1000 001 013 Controller Firmware Version 2GL 3000 001 003 Printed Pages 2324 Figure 1 4 2 Service status page For 16 ppm GDI printer 1 4 2 2GL 2FV 2FW Service items Description Printing service sta tus page For 16 18 ppm printers Description Prints a service status page for service purpose The service status page includes various printing settings and service cumulative Purpose To acquire the current printing environmental parameters and cumulative information Procedure Press the GO key for 10 seconds
80. ription Rotates the drum approximately 15 minutes with toner lightly applied onto the drum using the high voltage output control of the engine high voltage PWB The cleaning blade in the drum unit scrapes toner off the drum surface to clean it Purpose To clean the drum surface when an image failure occurs due to contamination This mode is useful after the dew condensation on the drum occurs Procedure Toner installing mode is performed by simultaneously pressing and holding the GO and CANCEL keys for more than 5 seconds To abort toner installing mode turn power on while pressing and holding the GO and CANCEL keys 1 4 11 2GL 2FV 2FW This page is intentionally left blank 1 4 12 2GL 2FV 2FW 1 5 1 Paper misfeed detection 1 Paper misfeed indication When a paper misfeed occurs the printer immediately stops printing and flash the ATTENTION indicator To remove paper misfeed in the printer pull out the paper cassette or open the rear cover Ic ATTENTION indicator Figure 1 5 1 Paper misfeed indication 5 gt O 1 5 1 2GL 2FV 2FW 2 Paper misfeed detection 1 I Cc o i T KL O O M Sensor Exit sensor Figure 1 5 2 Paper misfeed detection 1 5 2 2GL 2FV 2FW 1 5 2 Self diagnosis 1 Self diagnostic function When a self diagnostics error occurs the printer halts and displays the appropriate error code using a combination of the READ
81. ually and replace any deformed paper feed roller See page 1 6 4 Defective feed clutch installation Check visually and remedy if necessary Check if the surfaces of the upper and lower Clean with isopropyl alcohol registration rollers are dirty with paper pow der Defective registration clutch installation Check visually and remedy if necessary 3 Skewed paper feed 4 Multiple sheets of paper are fed at one time 9 Paper jams Paper width guide in a cassette installed Check the paper width guide visually and incorrectly correct or replace if necessary Check if the separator pad is worn Replace the separator pad if it is worn Check if the paper is curled Change the paper Check if the paper is excessively curled Change the paper Check if the contact between the upper and Check visually and remedy if necessary lower registration rollers is correct Check if the upper and lower fuser roller is Clean or replace the upper and lower fuser extremely dirty or deformed roller Check if the contact between the FD roller Check visually and remedy if necessary and FD pulley is correct 6 Toner drops on the paper conveying path Check if the drum unit or developer unit is Clean the drum unit or developer unit extremely dirty Abnormal noise is heard Check if the pulleys rollers and gears operate Grease the bearings and gears smoothly Check if the fol
82. user thermistor thermal cutout and press roller lt Procedure gt 1 Remove the fuser unit See page 1 6 9 2 Remove the two screws and terminal 3 Remove the heater lamp Seat the heater lamp aligning its wattage mark and welding mark faced with the cor rect direction and side Screw E Heat gear Heater lamp Figure 1 6 16 1 6 11 2GL 2FV 2FW 4 Pull the heat R bush and heat L bush with heat roller from the upper fuser guide 5 Remove the heat R bush heat L bush and Heat R bush heat gear from the heat roller Heat gear Heat roller Heat roller Heat roller Heat L bush Heat L bush 6 Remove the one screw and then remove the fuser thermistor Figure 1 6 18 1 6 12 2GL 2FV 2FW 7 Remove the two screws nuts plate cord and terminal 8 Remove the thermal cutout Plate cord Figure 1 6 19 1 6 13 2GL 2FV 2FW 9 Remove the press roller from the bushes 1 6 14 Press roller Lower fuser frame Figure 1 6 20 Removing the press roller 1 6 6 PWBs 2GL 2FV 2FW 1 Detaching and refitting the main PWB 16 ppm GDI printer lt Procedure gt 1 Remove the right cover See page 1 6 2 2 Remove the two connectors from main PWB 3 Remove one screw from the USB interface connector 4 Remove the three screws and then remove the main PWB Screw Main PWB Screw USB interface connector Connectors Figure 1 6 21 1 6 15 2GL 2FV 2FW
83. was 5 seconds or less Redo from step 8 10 Open the top cover 11 Install the developer unit 12 Close the top cover FD roller om Drum unit ATTENTION indicator READY indicator CANCEL key Figure 1 6 10 Drum unit and operation panel 1 6 7 2GL 2FV 2FW 3 Detaching and refitting the main charger unit lt Procedure gt 1 Remove the drum unit See page 1 6 6 2 While pushing on the main charger terminal 1 slide the main charger unit 3 Remove the main charger unit 3 by lifting it Drum unit Main charger unit Main charger terminal Figure 1 6 11 2GL 2FV 2FW 1 6 5 Fuser unit 1 Detaching and refitting the fuser unit lt Procedure gt 1 Remove the outer covers See page 1 6 2 2 Remove the two connectors 3 Remove the wire from two clamps In ie wd I p S ee een a Figure 1 6 12 4 Pull out the rear cover axis with spring NE from the axis hole 1 on side 5 Pull out the rear cover axis from the axis L hole 2 on side and remove the rear cover F and the spring NI Rear cover Spring Figure 1 6 13 2GL 2FV 2FW 6 Remove the two screws and then remove the fuser unit 7 Remove the two screws and then separate erik the upper fuser frame and lower fuser P d E frame Figure 1 6 15 1 6 10 2GL 2FV 2FW 2 Detaching and refitting the heater lamp heat roller f

FS-720/820/920 Service Manual

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