Service Manual PF 420
Contents
1. 2 The leading edge of the image is sporadically misaligned with the original Copy example Causes Check procedures corrective measures Paper feed clutch MP solenoid or Check the installation position and operation of each clutch registration clutch installed or operat or solenoid If any of them operates incorrectly replace it ing incorrectly 3 Image center does not align with the original center Copy example Causes Check procedures corrective measures Misadjusted image center line Run maintenance item U034 to readjust the center line of image printing see page 1 3 7 18 Original is not placed correctly Place the original correctly 1 4 8 1 4 4 Electric problems 3MH Troubleshooting to each failure must be in the order of the numbered symptoms Problem Causes Check procedures corrective measures 1 The paper feeder does not operate when the main power switch is turned on Poor contact in the con nector terminals Reinsert the connector Also check for continuity within the con nector cable If none remedy or replace the cable Defective cassette left cover switch Check for continuity across the contacts If none replace the cas sette left cover switch 2 The cassette drive motor does not oper ate Poor contact in the con nector terminals Reinsert the connector Also check for cont2. E E 22228580005 a va an U EEDE lt hLox 206n0n30 SPSOMPNOMNAWNAHBASD an9a z z Ave LL s s aLow v v VLON LOA NGI e c alow z z vLON i LIL Ave AS era les anos zig z Lu AS LIA L Ae o anos ola or 79 49 AG 64 6 i LI L Az anos ga e i BDA IAS 14 Z i oas 9g 9 i xos sa s i As i t elel as 0138 va r MSA9 aaa e z z z 0334 mas eg le anos e e L L aNos z13S za z Ho 991 Aad 18 L PIETON AMANI Aaa ev le As Tu Tr zas ziv lz i elel AG ARES le l AHE 0138 oiv anos e e OL L L GNSS 4198 6Y 6 EON hon SOA cas ov fs TETTE a azis y ele aazis anos M 9 TOA SOA i anos z z 1 2 anos 3 i MSID ais e e 9 9 Oazis PME LE GHS g azis v S S 83218 anos zv E i v v vazis ne 1v z anon bOA i GNOS l AN i vazis LIL Z Z NdOAO9 EIA L L anos MSMd9 anos z z VOA anoa z z i Ave L L i Nado 1 MSS919 anos z z ZOA 430333 HAdVd SSOMPNONAWONAHBASD laine reo Sheek se ar ne Sars See ee 50 tie e berber Oh er eee ore a EI nn a i 000000062020 III IDAS ESE DORADO TOYSO SREBRO 2 4 2
3. 1 5 5 2 1 Mechanical Construction 2 1 1 Mechanical construction sene vensnssnenenenessnvenenene seven snsensnens 2 1 1 2 2 Electrical Parts Layout 221 Electrical parts layouts ccc nattere A A tee ie ed 2 2 1 Se Mrt Derse keten etende eenen en lenta noen Met handoeken RR TETTI 2 1 PWB 2 2 1 2 Switches and sensors sienne 2 2 2 ONS TS IA ee ne At ane cibo Dda ri en de et i sio ilo io E 2 3 Oth 2 2 3 2 3 Operation of the PWBs 2 3 1 Cassette main PWB iii 2 3 1 3MH 2 4 Appendixes Listof maintenance parts ao Periodic maintenance procedures conan nn nro nn nn nn rra r nar nr ran rre nan EEE EE AEAEE EEE Wiring diagram 1 1 1 Specifications Paper supply method Friction retard method Paper weight 64 to 105 g m Paper types Standard recycled Paper size A3 B4 A4 A4R B5 B5R ASR Folio Ledger Legal Oficioll Letter LetterR StatementR 8K 16K Paper Capacity 300 sheets 80 g m Power SOUICE Electrically connected to the machine DIMENSIONS 568 W x 546 D x 135 H mm 22 3 8 W x 21 1 2 D x 5 5 16 H Weight iaia clan 6 kg 13 2 Ibs NOTE These specifications are subject to change without notice 3MH 1 1 1 3MH Parts names 1 1 2 Figure 1 1 1 Cassette 1 2 Cassette left cover 3 Paper width gu
4. The maintenance item is selected Y Press the start key Y The selected maintenance item is run Y Press the stop clear key Repeat the same maintenance item Run another maintenance item Enter 001 using the cursor up down keys or numeric keys Maintenance mode is exited and press the start key End 1 3 13 3MH 2 Maintenance mode item list Initial setting Section Content of maintenance item General Displaying the ROM version Drive paper Checking motor operation feed and paper convey ing system Checking clutch operation Checking switches for paper conveying Adjusting the print start timing Adjusting the leading edge registration 2 8 0 0 0 0 0 0 0 0 0 8 Adjusting the center line 2 4 0 0 0 0 0 0 0 0 0 0 Adjusting the trailing edge registration 2 0 Adjusting the deflection in the paper 30 20 0 20 20 20 1 Setting the adjustment of the motor speed 0 3 0 7 0 5 0 0 0 1 0 1 0 3 0 0 0 0 0 5 0 0 Mode setting Specific paper feed location setting for printing function Other Checking copy counts by paper feed locations Initial setting for executing U020 1 The item initialized for executing U020 2 The item initialized for executing U021 1 3 14 3 Contents of maintenance mode items Maintenance item No Description 3MH U019 Displaying the
5. Motor speed adjustment 5 0 to 5 0 in duplex mode Off On Adjustment 1 Press the interrupt key 2 Press the start key to output a VTC pattern A Correct values for an A3 Ledger output are A 300 1 0 mm B 270 1 0 mm Figure 1 3 6 3 Change the setting value using the zoom keys A Drive motor speed adjustment Increasing the setting makes the image longer in the auxiliary scanning direction and decreasing it makes the image shorter in the auxiliary scanning direction B Polygon motor speed adjustment Increasing the setting makes the image shorter in the main scanning direction and decreasing it makes the image longer in the main scanning direction 4 Press the start key The value is set Completion Press the stop clear key The screen for selecting a maintenance item No is displayed Maintenance item No 3MH Description U341 Specific paper feed location setting for printing function Description Sets a paper feed location specified for printer output Purpose To use a paper feed location only for printer output A paper feed location specified for printer output cannot be used for copy output Setting 1 Press the start key 2 Select the paper feed location for the printer using the exposure adjustment keys 3 Select on or OFF using the zoom keys Display Description Exp 1 Cassette Exp 2 First paper feeder Exp 3 Second pape
6. Service Manual Paper Feeder PF 420 First Edition Date 04 08 2009 3MHSM060 Drum ph Adler Service Manual Paper Feeder PF 420 First Edition Date 04 08 2009 3MHSM060 CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS It may be illegal to dispose of this battery into the municipal waste stream Check with your local solid waste officials for details in your area for proper disposal ATTENTION IL Y A UN RISQUE D EXPLOSION SI LA BATTERIE EST REMPLACEE PAR UN MODELE DE TYPE INCORRECT METTRE AU REBUT LES BATTERIES UTILISEES SELON LES INSTRUC TIONS DONNEES Il peut tre ill gal de jeter les batteries dans des eaux d gout municipales V rifiez avec les fonc tionnaires municipaux de votre r gion pour les d tails concernant des d chets solides et une mise au rebut appropri e Revision history This page is intentionally left blank Safety precautions This booklet provides safety warnings and precautions for our service personnel to ensure the safety of their customers their machines as well as themselves during maintenance activities Service personnel are advised to read this booklet carefully to familiarize themselves with the warnings and precautions described here before engaging in maintenance activities Safety warnings and precautions Various symbols are used to protect our service personnel and customers
7. and decreasing it makes the image shorter in the auxiliary scanning direction B Polygon motor speed adjustment Increasing the setting makes the image shorter in the main scanning direction and decreasing it makes the image longer in the main scanning direction 4 Press the start key The value is set Completion Press the stop clear key The screen for selecting a maintenance item No is displayed 1 3 21 3MH Maintenance item No Description U341 Specific paper feed location setting for printing function Description Sets a paper feed location specified for printer output Purpose To use a paper feed location only for printer output A paper feed location specified for printer output cannot be used for copy output Setting 1 Press the start key 2 Select the paper feed location for the printer using the cursor up down keys Display Description PF1 Cassette PF2 First paper feeder PF3 Second paper feeder PF4 Third paper feeder 3 Change the setting using the cursor left right keys 0 OFF 1 ON 4 Press the start key The setting is set Completion Press the stop clear key The screen for selecting a maintenance item No is displayed 1 3 22 Checking copy counts by paper feed locations Description Displays and clears copy counts by paper feed locations Purpose To check the time to replace consumable parts Also to clear the counts after replacing the consumable parts Method 1 P
8. example 1 Output example 2 Figure 1 3 4 6 Press the start key The value is set Completion Press the stop clear key The screen for selecting a maintenance item No is displayed Maintenance item No 3MH Description U051 Adjusting the deflection in the paper Description Adjusts the deflection in the paper Purpose Make the adjustment if the leading edge of the copy image is missing or varies randomly or if the copy paper is Z folded Adjustment 1 Press the start key 2 Select the item using the exposure adjustment keys Exposure Description Setting Initial Change in indicator range setting value per step Exp 1 lit Paper feed from cassette 50 to 127 30 0 32 mm Exp 2 lit Paper feed from MP tray 50 to 127 0 32 mm Exp 3 lit Paper feed from first paper feeder 50 to 127 0 32 mm Exp 4 lit Paper feed from second paper 50 to 127 0 32 mm feeder Exp 5 lit Paper feed from third paper 50 to 127 0 32 mm feeder Exp 1 flashing Duplex mode 50 to 127 0 32 mm Press the interrupt key Place an original and press the start key to make a test copy Change the setting value using the zoom keys For output example 1 increase the value For output example 2 decrease the value The greater the value the larger the amount of slack the smaller the value the smaller the amount of slack Original Copy Copy example 1 example 2
9. switch 2 Run maintenance item U031 and turn cassette feed switch 2 on and off manually Replace the switch if indication of the corre sponding switch is not light Check if the cassette paper feed clutch 3 malfunctions Run maintenance item U032 and select the cassette paper feed clutch 3 to be turned on and off Check the status and remedy if necessary Electrical problem with the cassette paper feed clutch 3 Check see page 1 4 9 1 4 3 3MH Problem Causes check procedures Corrective measures 4 A paper jam in the paper feed section is indicated during copying misfeed in vertical paper con veying section 1 Jam code 15 Broken registration switch cassette feed switch 1 or 2 actuator Check visually and replace switch Defective switch Run maintenance item U031 and turn switch on and off manually Replace the switch if indication of the corresponding switch is not light Registration switch cassette feed switch 1 2 Check if the paper feed clutch cassette paper feed clutch 1 2 or 3 malfunc tions Run maintenance item U032 and select the clutch to be turned on and off Check the status and remedy if necessary Electrical problem with the paper feed clutch cassette paper feed clutch 1 2 or 3 Check see page 1 4 9 Defective feed pulleys or feed rollers Check visually and replace 5 A paper jam in the paper feed section is indic
10. Figure 1 3 5 6 Press the start key The value is set Completion Press the stop clear key The screen for selecting a maintenance item No is displayed 1 3 9 3MH Maintenance item No Description U053 1 3 10 Performing fine adjustment of the motor speed Description Performs fine adjustment of the speeds of the motors Purpose Used to adjust the speed of the respective motors when the magnification is not correct Also speed adjust ment for each paper source can be performed in group 2 Method Setting 1 Press the start key 2 Select the group using the image mode selection key 3 Select the item to be set using the exposure adjustment keys Image mode Exposure Desciibtioti Setting Initial LEDs indicator P range setting Drive motor speed adjustment 5 0 to 5 0 0 3 Polygon motor speed adjustment 5 0 to 4 0 0 7 Text Exp 3 lit Eject motor speed adjustment 5 0 to 5 0 0 5 Exp 4 lit Drum motor speed adjustment 5 0 to 5 0 Exp 5 lit Eject motor speed adjustment 2 5 0 to 5 0 Exp 1 flashing Eject motor speed adjustment 3 5 0 to 5 0 Exp 2 flashing Eject motor speed adjustment 4 0 0 to 5 0 O 6T 4q Text amp Photo Exp 1 lit O ml Photo Exp 2 lit O t Text amp Photo Exp 1 lit Motor speed adjustment for paper 5 0 to 5 0 GalPhoto Exp 2 lit feed from MP tray ET Text Exp 3 lit Motor speed adjustment for paper 5 0 to 5 0 feed from paper feeder
11. from physical danger and to prevent damage to their property These symbols are described below DANGER 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 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 A Warning of risk of electric shock A Warning of high temperature S indicates a prohibited action The specific prohibition is shown inside the symbol General prohibited action Disassembly prohibited OO 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 Gage Always ground the copier 1 Installation Precautions WARNING e Do not use a power supply with 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 ss e Connect the groun
12. parts 1 5 4 Separation pulley shaft Nu gt Cassette separation pulley Figure 1 5 5 3MH 3 Detaching and refitting the cassette forwarding pulley and cassette paper feed pulley Follow the procedure below to replace the cassette forwarding pulley and cassette paper feed pulley Procedure 1 Remove the feed roller see 1 5 2 2 Remove the lower paper feed unit see 1 5 3 3 Remove the screw and the pin and then remove the cassette rear cover Cassette rear cover Figure 1 5 6 4 Remove the connector of the cassette paper feed clutch 5 Remove the stop ring and remove the cas sette paper feed clutch 6 Remove the stop ring and the bush Cassette paper feed clutch Stop ring Figure 1 5 7 1 5 5 3MH T 8 1 5 6 Remove the screw and remove the upper paper feed unit Remove the springs stop ring and bush and then remove the shaft holder from the upper paper feed unit Upper paper feed unit Screw Figure 1 5 8 Shaft holder Spring Bush Stop ring Upper paper feed unit Figure 1 5 9 3MH 9 Remove the cassette forwarding pulley from Cassette paper feed pulley the upper paper feed unit 10 Remove the paper feed pulley shaft from the upper paper feed unit 11 Remove the collar and the cassette paper feed pulley from the upper paper feed shaft 12 Replace the cassette forwarding pulley and cassette paper feed pulley and refit all
13. refiner it may generate toxic gas N This page is intentionally left blank 3MH CONTENTS 1 1 Specifications 111 Specifications ada tds NN uae Mont gear laand eneen da 1 1 1 de Parts names anr zaate eet a a enen an TE O RA 1 1 2 1 1 3 Machine cross section nnee ennen DE ETE E EE EE O SA EE 1 1 3 1 2 Installation 1 2 1 Installation environment coi renners eters nine naden dend dede ne dende ea 1 2 1 1 2 2 Unpackingi ie lia eben ne ane eene eed een ne NE etant 1 2 2 1 Unpackingi a ananas sala vaderen aa Aaa lat 1 2 2 2 Remove the tapes and spacert iii ala aan 1 2 3 1 2 3 Installing the cassette heater option ss 1 2 4 1 3 Maintenance Mode 1 3 1 Maintenance mode operation panel is a 7 segment type 1 3 1 1 Executing a maintenance item sise 1 3 1 2 Maintenance mode item IISt sore uns sev arica act 1 3 2 3 Contents of maintenance mode items ss 1 3 3 1 3 2 Maintenance mode operation panel is an LCD type 1 3 13 1 Executing a maintenance item sise 1 3 13 2 Maintenance mode item list ses 1 3 14 3 Contents of maintenance mode items anneer oenen ner enne cnn rra 1 3 15 1 4 Troubleshooting 1 4 1 Paper misfeed detection nent han en senden ete deeds inde dadde 1 4 1 1 P per misfeed indication suisses eon eden tit ten eee eee 1 4 1 2 Paper misfeed detection conditions ss 1 4 1 3 P per misfe8dS rss onei esdir i aele aman des t
14. the removed parts Paper feed pulley shaft Cassette forwarding pulley Figure 1 5 10 1 5 7 3MH This page is intentionally left blank 1 5 8 2 1 1 The paper feeder feeds paper from eith Mechanical construction 3MH er of its cassette to the machine Cassette can hold up to 300 80 g m sheets of paper Paper is fed from the cassette by the rotation of the cassette for warding pulley and cassette paper feed pulley The cassette separation pulley prevents multiple sheets from being fed at one time via the torque limiter A Ld an dl EX 2 pr Figure 2 1 1 Paper feeder Cassette forwarding pulley 2 Cassette paper feed pulley 3 Cassette separation pulley 4 Cassette operation plate 5 Feed pulley 6 Feed roller 7 Cassette feed switch CFSW 8 Cassette paper switch CPSW 2 1 1 3MH CPLSW EPWB YC9 sp O gt SIZEB SIZEC SIZED 8 99 YOA gt GOA dd YA CPWSW VIZIS CMPWB C 89A 3Y 1719 gt CIDA agad S Y E Z 69A aVLOW V LOW aLOW VLOW Figure 2 1 2 Paper feeder block diagram 2 1 2 3MH 2 2 1 Electrical parts layout 1 PWBs C Machine front UZ Machine inside Machine rear Figure 2 2 1 PWBs 1 Cassette main PWB CMPWB Controls electrical components of the paper feeder 2
15. 0 0 1 mm RCL T2 Paper feed from second paper feeder 5 0 to 10 0 0 0 0 1 mm RCL T3 Paper feed from third paper feeder 5 0 to 10 0 0 0 0 1 mm RCL DUP Duplex mode second side 5 0 to 10 0 0 8 0 1 mm Press the interrupt key Press the start key to output a test pattern Change the setting value using the cursor left right keys For output example 1 decrease the value For output example 2 increase the value Leading edge registration 20 1 0 mm Correct image Output Output example 1 example 2 Figure 1 3 7 5 Press the start key The value is set Caution Check the copy image after the adjustment If the image is still incorrect perform the following adjustments in maintenance mode U066 U071 See the service manual See the service manual for the machine for the machine 1 3 17 3MH Maintenance item No Description U034 1 3 18 Adjustment Center line adjustment 1 Select the item to be adjusted using the cursor up down keys Display Description Setting Initial Change in range setting value per step LSU OUT Paper feed from cassette 7 0 to 10 0 2 4 0 1 mm LSU BYP Paper feed from MP tray 7 0 to 10 0 0 0 0 1 mm LSU T1 Paper feed from first paper feeder 7 0 to 10 0 0 0 0 1 mm LSU T2 Paper feed from second paper feeder 7 0 to 10 0 0 0 0 1 mm LSU T3 Paper feed from third paper feeder 7 0 to 10 0 0 0 0 1 mm LSU DUP D
16. Cassette heater PWB CHPWB Relays the cassette heater power 2 2 1 3MH 2 Switches and sensors Machine front 1 iF OR commu boa 1 en bt Auen 1 PAN df F x a Il 1 Y ARS I Sa aero N SO ninni Ti SS i if i DIC Sace 1 E ata 1 Ii F vt I Ate cu A h Doo a i 1 Les ANA VAN ennn 1 Z Almas ee 1 1 VA AN We 1 1 i i 1 i tase i RL i 1 i i He ire os poai roy LS pp Vla Pannen 1 5 1 H la e 1 La A ir O ee 7772 Machine inside Machine rear Figure 2 2 2 Switches and sensors 1 Cassette left cover safety switch CLOSSW ciao 2 Cassette feed switch CFSW 3 Cassette paper switch CPSW 4 Cassette paper size length switch CPESW ccica ia 5 Cassette paper size width switch CPWSW 2 2 2 Breaks the safety circuit when the cassette left cover is opened Detects a paper misfeed Detects the presence of paper in the cassette Detects the length of paper in the cassette Detects the width of paper in the cassette Na ke 3MH 3 Others rsscntesi Machine front VA Machine inside PSI Machine rear Figure 2 2 3 Others Cassette drive motor CDM Drives the paper feeder Cassette paper feed clutch CPFCL Primary paper feed from the cassette Cassette heater CH Dehumidifies the cassette section Option 2 2 3 3MH This page is intent
17. Connected to the cas sette left cover safety switch cas sette paper size width switch and cassette paper size length switch 2 3 2 SGND COVOPN SGND SIZEA SIZEB SIZEC SGND SIZED 0 24 V DC 0 5 V DC 0 5 V DC 0 5 V DC 0 5 V DC Ground CLCSSW On Off Ground CPWSW On Off CPLSW On Off CPLSW On Off Ground CPLSW On Off Connector Voltage 3MH Description YC5 Connected to the cas sette paper switch 0 5 V DC 5 V DC Ground CPSW On Off 5 V DC power output to CPSW Not used YC6 Connected to the cas sette feed switch 0 5 V DC 5 V DC Ground CFSW On Off 5 V DC power output to CFSW YC8 Connected to the cas sette paper feed clutch 24V DC 0 24 V DC 24 V DC power output to CPFCL CPFCL On Off YC9 24 V DC 24 V DC power output to CDM Connected 0 24 V DC pulse to the cas 0 24 V DC pulse CDM drive control signal sette drive CDM drive control signal motor 0 24 V DC pulse 0 24 V DC pulse CDM drive control signal CDM drive control signal 2 3 3 3MH This page is intentionally left blank 2 3 4 3MH List of maintenance parts Maintenance part name Alternative Part No Name used in service manual Name used in parts list part No Cassette paper feed pulley PULLEY PAPER FEED 2AR07220 Cassette separation pulley PULLEY SEPARATION 2AR07230 Cassette forwarding pul
18. ROM version Description Displays the part number of the ROM fitted to each PWB Purpose To check the part number or to decide if the newest version of ROM is installed Method 1 Press the start key The ROM version are displayed 2 Change the screen using the cursor up down keys Display Description MAIN ENGINE LANG St LANG Op MAIN BOOT PRINTER NWS DP FINISHER CASS2 CASS3 CASS4 Main ROM Engine ROM Standard language ROM Optional language ROM Boot of main ROM Printer ROM Optional network scanner ROM Optional DP ROM Optional built in finisher ROM First paper feeder ROM standard for 22 ppm model Second paper feeder ROM Third paper feeder ROM Completion Press the stop clear key The screen for selecting a maintenance item No is displayed Checking motor operation Description Drives each motor Purpose To check the operation of each motor Method 1 Press the start key 2 Select the motor to be operated using the cursor up down keys 3 Press the start key The operation starts Display Operation MAIN DRUM T1 T2 T3 EJE1 EJE2 Drive motor DM is turned ON Drum motor DRM is turned ON Cassette drive motor 1 CDM1 is turned ON Cassette drive motor 2 CDM2 is turned ON Cassette drive motor 3 CDM3 is turned ON Eject motor EM is turned ON forward Eject motor EM is turned ON reverse 4 To stop operation pre
19. ated during copying misfeed in vertical paper con veying section 2 Jam code 16 Broken cassette feed switch 1 or 2 actuator Check visually and replace switch Defective switch Run maintenance item U031 and turn switch on and off manually Replace the switch if indication of the corresponding switch is not light Cassette feed switch 1 2 Check if the paper feed clutch cassette paper feed clutch 1 or 2 malfunctions Run maintenance item U032 and select the clutch to be turned on and off Check the status and remedy if necessary Electrical problem with the paper feed clutch cassette paper feed clutch 1 or 2 Check see page 1 4 9 Defective feed pulleys or feed rollers Check visually and replace 6 A paper jam in the paper feed section is indicated during copying multiple sheets in first paper feeder Jam code 22 Deformed guides along the paper conveying path Check visually and replace Broken registration switch actuator Check visually and replace switch Defective registration switch Run maintenance item U031 and turn registration switch on and off manually Replace the switch if indication of the corresponding switch is not light Check if the cassette paper feed clutch 1 malfunctions Run maintenance item U032 and select the cassette paper feed clutch 1 to be turned on and off Check the status and remedy if necessary Electrical problem wi
20. c sheet 16 Cassette size label 8 Plastic bag 17 Installation guide 9 Plastic bag 18 Bar code labels Caution Place the machine on a level surface See the Installation Guide for installation 3MH 2 Remove the tapes and spacer Procedure 1 Remove two tapes Spacer lt gt 2 Remove the spacer Tape Figure 1 2 2 3 Pull the cassette out and remove the tape 4 Push the cassette back in Figure 1 2 3 1 2 3 3MH 1 2 3 Installing the cassette heater option Installing the cassette heater requires the following component Cassette heater P N 303MH94060 for 220 to 240 V specifications only Cassette heater P N 303MH94050 for 120 V specifications One 1 M3 x 8 P tight screw P N 7BB202308H Procedure 1 Remove the screw and the pin and then remove the cassette rear cover 2 Pull out the cassette Cassette rear cover Screw y Pin Figure 1 2 4 3 Pass the cassette heater cable through the hole at the machine rear side 4 Insert the stay of the cassette heater into the hole at the machine rear side 5 Attach the cassette heater using the M3 x 8 P tight screw Cassette heater cable A Cassette heater Stay M3 x 8 P tight screw Figure 1 2 5 1 2 4 3MH Connect the connector of the cassette heater cable to the connector of the machine Refit all the removed parts Connector Cassette heater cable Figure 1 2 6 1 2 5 3MH T
21. d wire to a suitable grounding point Not grounding the copier 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 authoritieS nu einde LE A nerd ended ennen deed CAUTION Do not place the copier on an infirm or angled surface the copier may tip over causing injury N e Do not install the copier in a humid or dusty place This may cause fire or electric shock N Do not install the copier near a radiator heater other heat source or near flammable material This MAY GAUSS MEt andre en ree rte dont os N e Allow sufficient space around the copier to allow the ventilation grills to keep the machine as cool as possible Insufficient ventilation may cause heat buildup and poor copying performance N Always handle the machine by the correct locations when moving it oooonncccnnnnnncccccnnnccccccninana nin Q e Always use anti toppling and locking devices on copiers so equipped Failure to do this may cause the copier to move unexpectedly or topple leading to injury i O 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 a
22. e Language O Photo Exp 2 lit Change history of the standard language Text Exp 3 lit Number of the standard language ROM Exp 4 lit Change history of the optional language Exp 5 lit Number of the optional language ROM O TIC Text amp Photo Exp 1 lit C Part Code Cassette O Photo Exp 2 lit Number of the first paper feeder ROM 0 Text Exp 3 lit Number of the second paper feeder ROM Exp 4 lit Number of the third paper feeder ROM O T Text amp Photo Exp 1 lit d Part Code DP 0 65 Photo Exp 2 lit Number of the optional DP ROM 0 Text SO A Gi Text amp Photo Exp 1 lit P Part Code Printer a Pots Exp 2 lit Change history of the optional printer 0 rent Exp 3 lit Number of the optional printer ROM Off On Flashing When the optional equipment is not installed non is displayed Completion Press the stop clear key The screen for selecting a maintenance item No is displayed 1 3 3 3MH Maintenance item No Description U030 Checking motor operation Description Drives each motor Purpose To check the operation of each motor Method 1 Press the start key 2 Select the motor to be operated using the exposure adjustment keys Display Motor A Drive motor DM is turned ON 2F Drum motor DRM is turned ON F1 Cassette drive motor 1 CDM1 is turned ON F2 Cassette drive motor 2 CDM2 is turned ON F3 Cassette drive motor 3 CDM3 i
23. e done ne date Mean eaves hera teats 1 4 3 124 2 Self diagnosis iii derden en atd doce dee Rade ER nr slt 1 4 6 1 Self diagnostic function operation panel is a 7 segment type 1 4 6 2 Self diagnostic codes operation panel is a 7 segment type 1 4 6 3 Self diagnostic function operation panel is an LCD type 1 4 7 4 Self diagnostic codes operation panel is an LCD type 1 4 7 1 4 3 Image formation problems nn sas ceceedeneeeeqesdedeteessedeentuceendueantesccdecescenesdpcavercegdnesaeeenedetedendeaseeressdzers 1 4 8 1 The leading edge of the image is consistently misaligned with the original 1 4 8 2 The leading edge of the image is sporadically misaligned with the original 1 4 8 3 Image center does not align with the original center 1 4 8 12424 Electric problems recuceri dresser etsen nn nr edad epee ede enden enn ententes 1 4 9 1 425 Mechanical problem smart pieni ia barare 1 4 11 1 5 Assembly and Disassembly 1 5 1 Precautions for assembly and disassembly nuevas ner enne ner enner ensen er ennenenenverenvenerenveneneeeenn 1 5 1 1 Precautions era dede 1 5 1 1 5 2 Paper feed section ae E AN ent 1 5 2 1 Detaching and refitting the feed roller 1 5 2 2 Detaching and refitting the cassette separation pulley unne eneen enenenne ner enneneneneenennn 1 5 3 3 Detaching and refitting the cassette forwarding pulley and cassette paper feed pulley
24. e status and remedy if necessary Electrical problem with the cassette paper feed clutch 1 Check see page 1 4 9 2 A paper jam in the paper feed section is indicated during copying no paper feed from second paper feeder Jam code 13 Paper is extremely curled Change the paper Check if the paper feed pul ley separation pulley or for warding pulley is deformed Check visually and replace any deformed pulley Broken cassette feed switch 1 actuator Check visually and replace switch Defective cassette feed switch 1 Run maintenance item U031 and turn cassette feed switch 1 on and off manually Replace the switch if indication of the corre sponding switch is not light Check if the cassette paper feed clutch 2 malfunctions Run maintenance item U032 and select the cassette paper feed clutch 2 to be turned on and off Check the status and remedy if necessary Electrical problem with the cassette paper feed clutch 2 Check see page 1 4 9 3 A paper jam in the paper feed section is indicated during copying no paper feed from third paper feeder Jam code 14 Paper is extremely curled Change the paper Check if the paper feed pul ley separation pulley or for warding pulley is deformed Check visually and replace any deformed pulley Broken cassette feed switch 2 actuator Check visually and replace switch Defective cassette feed
25. ed clutch 1 CPFCL1 turning on 23 Cassette feed switch 1 CFSW1 does not turn off within 5907 ms Multiple sheets in sec specified time of its turning on pnd PAPE IEEE Cassette feed switch 1 CFSW1 does not turn off within 1953 ms the specified time of cassette paper feed clutch 2 CPFCL2 turning on 24 Cassette feed switch 2 CFSW2 does not turn off within 5907 ms Multiple sheets in third specified time of its turning on paperteeder Cassette feed switch 2 CFSW2 does not turn off within 1953 ms the specified time of cassette paper feed clutch 3 CPFCL3 turning on 1 4 2 3 Paper misfeeds Problem Causes check procedures 3MH Corrective measures 1 A paper jam in the paper feed section is indicated during copying no paper feed from first paper feeder Jam code 12 Paper is extremely curled Change the paper Check if the paper feed pul ley separation pulley or for warding pulley is deformed Check visually and replace any deformed pulley Broken registration switch actuator Check visually and replace switch Defective registration switch Run maintenance item U031 and turn registration switch on and off manually Replace the switch if indication of the corresponding switch is not light Check if the cassette paper feed clutch 1 malfunctions Run maintenance item U032 and select the cassette paper feed clutch 1 to be turned on and off Check th
26. ent for printer Gal Photo 01 Text Off On Flashing Adjustment leading edge registration adjustment 1 Select group 1 using the image mode selection key 2 Select the item using the exposure adjustment keys Exposure Description Setting Change in indicator range value per step Exp 1 lit Paper feed from cassette 5 0 to 10 0 0 1 mm Exp 2 lit Paper feed from MP tray 5 0 to 10 0 0 1 mm Exp 3 lit Paper feed from first paper feeder 5 0 to 10 0 0 1 mm Exp 4 lit Paper feed from second paper 5 0 to 10 0 0 1 mm feeder Exp 5 lit Paper feed from third paper 5 0 to 10 0 0 1 mm feeder Exp 1 flashing Duplex mode 5 0 to 10 0 0 1mm Press the interrupt key Press the start key to output a test pattern Change the setting value using the zoom keys For output example 1 decrease the value For output example 2 increase the value Leading edge registration 20 1 0 mm Correct image Output Output example 1 example 2 Figure 1 3 1 3MH Maintenance Description item No P U034 6 Press the start key The value is set cont Caution Check the copy image after the adjustment If the image is still incorrect perform the following adjustments in maintenance mode U066 U071 See the service manual See the service manual for the machine for the machine Adjustment center line adjustment 1 Se
27. etting Initial setting Change in value per step Trailing edge margin adjustment 4 0 to 10 0 2 0 0 1mm Press the interrupt key Press the start key to output a test pattern Change the setting value using the zoom keys For output example increase the value Trailing edge margin Correct image Figure 1 3 3 5 Press the start key The value is set Output example Adjustment leading edge registration adjustment for printer 1 Select group 4 using the image mode selection key 2 Select the item using the exposure adjustment keys Exposure Description indicator Setting Initial range setting Change in value per step Exp 1 lit Paper feed from cassette Exp 2 lit Paper feed from MP tray Exp 3 lit Paper feed from first paper feeder Exp 4 lit Paper feed from second paper feeder Exp 5 lit Paper feed from third paper feeder Exp 1 flashing Duplex mode 5 0 to 10 0 2 0 5 0 to 10 0 2 0 5 0 to 10 0 2 0 5 0 to 10 0 2 0 5 0 to 10 0 2 0 5 0 to 10 0 2 0 0 1 mm 0 1 mm 0 1 mm 0 1 mm 0 1 mm 0 1 mm Press the interrupt key Press the start key to output a test pattern Change the setting value using the zoom keys For output example 1 decrease the value For output example 2 increase the value Leading edge registration 20 1 0 mm Correct image Output
28. his page is intentionally left blank 1 2 6 3MH 1 3 1 Maintenance mode operation panel is a 7 segment type The machine is equipped with a maintenance function which can be used to maintain and service the machine 1 Executing a maintenance item Enter 10871087 using the numeric keys Enter the maintenance item number using the zoom keys or numeric keys Maintenance mode is entered The maintenance item is selected Y Press the start key Y The selected maintenance item is run Y Press the stop clear key Repeat the same maintenance item Run another maintenance item Enter 001 using the zoom keys or numeric keys Maintenance mode is exited and press the start key End 1 3 1 3MH 2 Maintenance mode item list Initial setting Section Content of maintenance item General Displaying the ROM version Drive paper Checking motor operation feed and paper convey ing system Checking clutch operation Checking switches for paper conveying Adjusting the print start timing Adjusting the leading edge registration 2 8 0 0 0 0 0 0 0 0 0 8 Adjusting the center line 2 4 0 0 0 0 0 0 0 0 0 0 Adjusting the trailing edge margin 2 0 Adjusting the leading edge registration 2 0 2 0 2 0 2 0 2 0 2 0 1 Adjusting the deflection in the paper 30 20 0 20 20 20 1 Performing fine adjustmen
29. ides 4 Paper length guide 1 1 2 3MH 1 1 3 Machine cross section gt Paper path Figure 1 1 2 Machine cross section 3MH This page is intentionally left blank 3MH 1 2 1 Installation environment Installation location Be based on the machine establishment place Avoid direct sunlight or bright lighting Ensure that the photoconductor will not be exposed to direct sunlight or other strong light when removing paper jams Avoid locations subject to high temperature and high humidity or low temperature and low humidity an abrupt change in the environmental temperature and cool or hot direct air Avoid places subject to dust and vibrations 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 photoconductor such as mercury acidic of alkaline vapors inorganic gasses NOx SOx gases and chlorine based organic solvents Select a well ventilated location 1 2 1 3MH 1 2 2 Unpacking 1 Unpacking e presens ae S SEE EN 99 pi S T N ES X Figure 1 2 1 Unpacking 1 Paper feeder 10 Cover labels 2 Outer case 11 Plastic bag 3 Bottom left pad 12 Screw M3 x 8 4 Bottom right pad 13 Screw M3 x 12 5 Top left pad 14 Connector cover 6 Top right pad 15 Cursor pins 7 Plasti
30. inuity within the con nector cable If none remedy or replace the cable Defective drive transmis sion system Check if the rollers and gears rotate smoothly If not grease the bushings and gears Check for broken gears and replace if any Defective cassette drive motor Run maintenance item U030 and check if the cassette drive motor operates If not replace the cassette drive motor Defective cassette main PWB Run maintenance item U030 and check if the cassette drive motor operates If not replace the cassette main PWB 3 The cassette paper feed clutch does not operate Broken clutch coil Check for continuity across the coil If none replace the clutch Poor contact in the con nector terminals Reinsert the connector Also check for continuity within the con nector cable If none remedy or replace the cable Defective cassette main PWB Run maintenance item U032 and check if following terminals on the cassette main PWB goes low If not replace the cassette main PWB Cassette paper feed clutch YC8 2 on the cassette main PWB 4 The message requesting paper to be loaded is shown when paper is present on the cas sette Poor contact in the con nector terminals of cas sette paper switch Reinsert the connector Also check for continuity within the con nector cable If none remedy or replace the cable Defective cassette paper s
31. ionally left blank 2 2 4 3MH 2 3 1 Cassette main PWB Figure 2 3 1 Cassette main PWB silk screen diagram 2 3 1 3MH Connector Voltage Description Yc1 Connected to the paper feeder 24 V DC 24 V DC power output to paper feeder Ground YC2 Connected to the engine PWB 24 V DC power input from EPWB Ground YC3 Connected to the engine PWB and paper feeder 5V SGND 5V SGND 5V SGND SDI SDO SCLK SELO SEL1 SEL2 RDY RDY SEL2 SEL1 SELO SCLK SDO SDI SGND 5V SGND 5V SGND 5V 5 VDC 0 5 V DC pulse Analog 0 5 V DC pulse 0 5 V DC 0 5 V DC 0 5 V DC 0 5 V DC 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 5 VDC Not used Not used 5 V DC power input from EPWB Ground 5 V DC power input from EPWB Ground Paper feeder serial communication data signal Paper feeder serial communication data signal Paper feeder clock signal Paper feeder select signal 0 Paper feeder select signal 1 Paper feeder select signal 2 Paper feeder ready signal Paper feeder ready signal Paper feeder select signal 2 Paper feeder select signal 1 Paper feeder select signal 0 Paper feeder clock signal Paper feeder serial communication data signal Paper feeder serial communication data signal Ground 5 V DC power output to paper feeder Ground 5 V DC power output to paper feeder Not used Not used
32. l Remarks Causes Check procedures corrective measures First paper feeder communication problem Communication fails five times succes sively First paper feeder installed incor rectly Check the installation state of the first paper feeder and adjust it if it is not properly installed Defective PWB Replace the engine PWB or cassette main PWB and check for correct operation Second paper feeder communication problem Communication fails five times succes sively Second paper feeder installed incorrectly Check the installation state of the second paper feeder and adjust it if it is not properly installed Defective PWB Replace the engine PWB or cassette main PWB and check for correct operation Third paper feeder communication problem Communication fails five times succes sively Third paper feeder installed incor rectly Check the installation state of the third paper feeder and adjust it if it is not properly installed Defective PWB Replace the engine PWB or cassette main PWB and check for correct operation 1 4 7 3MH 1 4 3 Image formation problems 1 The leading edge of the image is consistently misaligned with the original Copy example Causes Check procedures corrective measures Run maintenance mode U034 to readjust the leading edge registration see page 1 3 6 17 Misadjusted leading edge registration
33. lace the switch if indication of the corre sponding switch is not light Check if the cassette paper feed clutch 3 malfunctions Run maintenance item U032 and select the cassette paper feed clutch 3 to be turned on and off Check the status and remedy if necessary Electrical problem with the cassette paper feed clutch 3 Check see page 1 4 9 1 4 5 3MH 1 4 2 Self diagnosis 1 Self diagnostic function operation panel is a 7 segment type When an unexpected error is detected for some reason a system error A call error will be indicated After a system error A call error is indicated the error can be cleared by turning the main power switch off and then on If a system error A call error occurs frequently a fault may have occurred Check the details of the C call to take proper measures 2 Self diagnostic codes operation panel is a 7 segment type Contents Remarks Causes Check procedures corrective measures First paper feeder communication problem Communication fails five times succes sively First paper feeder installed incor rectly Check the installation state of the first paper feeder and adjust it if it is not properly installed Defective PWB Replace the main engine PWB or cassette main PWB and check for correct operation Second paper feeder communication problem Communication fails five times succes sively Second paper feeder installed i
34. lect group 2 using the image mode selection key 2 Select the item using the exposure adjustment keys Exposure Description Setting Initial Change in indicator range setting value per step Exp 1 lit Paper feed from cassette 7 0 to 10 0 2 4 0 1 mm Exp 2 lit Paper feed from MP tray 7 0 to 10 0 0 0 0 1 mm Exp 3 lit Paper feed from first paper feeder 7 0 to 10 0 0 0 0 1 mm Exp 4 lit Paper feed from second paper 7 0 to 10 0 0 0 0 1 mm feeder Exp 5 lit Paper feed from third paper 7 0 to 10 0 0 0 0 1 mm feeder Exp 1 flashing Duplex mode 7 0 to 10 0 0 0 0 1 mm Press the interrupt key Press the start key to output a test pattern Change the setting value using the zoom keys For output example 1 decrease the value For output example 2 increase the value naw Center line of printing 1 0 mm LIL Correct image Output Output example 1 example 2 Figure 1 3 2 6 Press the start key The value is set Caution Check the copy image after the adjustment If the image is still incorrect perform the following adjustments in maintenance mode U067 U072 See the service manual See the service manual for the machine for the machine 1 3 7 3MH Maintenance item No Description U034 cont 1 3 8 Adjustment trailing edge margin adjustment 1 Select group 3 using the image mode selection key range Description S
35. ley PULLEY LEADING FEED 2AR07240 Feed roller PARTS ROLLER FEED 303HW06021 3HWO6021 Feed pulley PULLEY FEED 2BL16080 Periodic maintenance procedures Maintenance Method Maintenance part location cycle Section Points and cautions Paper feed Cassette paper feed Check or User call Clean it with alcohol if it is dirty section pulley replace Replace it if any problem such as flawed or worn state is found Cassette separation Check or User call Clean it with alcohol if it is dirty pulley replace Replace it if any problem such as flawed or worn state is found Cassette forwarding Check or User call Clean it with alcohol if it is dirty pulley replace Replace it if any problem such as flawed or worn state is found Feed roller Check or User call Clean it with alcohol if it is dirty replace Replace it if any problem such as flawed or worn state is found Feed pulley Check or User call Clean it with alcohol if it is dirty clean 2 4 1 iagram 3MH iring d W
36. move the risk of fire or electric shock eenen ennnenenensern Q Never attempt to disassemble the optical unit in machines using lasers Leaking laser light may damage eyesidht iter io a aT E E rho cli Penali ia io EY Handle the charger sections with care They are charged to high potentials and may cause electric shock if handled improperly ss A 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 ennen ennen eenen A Use utmost caution when working on a powered machine Keep away from chains and belts A e Handle the fixing section with care to avoid burns as it can be extremely hot nn A e Check that the fixing unit thermistor heat and press rollers are clean Dirt on them can cause abnormally high temperatures ui Q Do not remove the ozone filter if any from the copier except for routine replacement O e Do not pull on the AC power cord or connector wires on high voltage components when removing them always hold the plug itself ss N 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 ss N Treat the ends of the wire carefully when installing a new charger wire to avoid electric leaks 1 e Remove toner completely from electr
37. n U051 1 3 20 Adjusting the deflection in the paper Description Adjusts the deflection in the paper Purpose Make the adjustment if the leading edge of the copy image is missing or varies randomly or if the copy paper is Z folded Adjustment 1 Press the start key 2 Select the item to be adjusted using the cursor up down keys Display Description Setting Initial range setting PF1 Paper feed from cassette 50 to 127 30 BYPASS Paper feed from MP tray 50 to 127 PF2 Paper feed from first paper feeder 50 to 127 PF3 Paper feed from second paper feeder 50 to 127 PF4 Paper feed from third paper feeder 50 to 127 DUPLEX Duplex mode second side 50 to 127 Press the interrupt key Place an original and press the start key to make a test copy Change the setting value using the cursor left right keys For output example 1 increase the value For output example 2 decrease the value The greater the value the larger the deflection the smaller the value the smaller the deflection Original Copy Copy example 1 example 2 Figure 1 3 10 6 Press the start key The value is set Completion Press the stop clear key The screen for selecting a maintenance item No is displayed Maintenance item No 3MH Description U053 Setting the adjustment of the motor speed Description Performs fine adjustment of the speeds of the motors Purpose To adjust the speed of the re
38. ncorrectly Check the installation state of the second paper feeder and adjust it if it is not properly installed Defective PWB Replace the main engine PWB or cassette main PWB and check for correct operation Third paper feeder communication problem Communication fails five times succes sively 1 4 6 Third paper feeder installed incor rectly Check the installation state of the third paper feeder and adjust it if it is not properly installed Defective PWB Replace the main engine PWB or cassette main PWB and check for correct operation 3MH 3 Self diagnostic function operation panel is an LCD type When an unexpected error is detected for some reason a system error will be indicated After a system error is indicated the error can be cleared by turning the main power switch off and then on If the error is detected continuously however perform the operation shown in Table 1 4 1 If a system error occurs frequently a fault may have occurred Check the details of the C call to take proper measures Contents System error Operation 0420 First paper feeder communication problem System error service call 0500 Second paper feeder communication problem System error service call 0510 Third paper feeder communication problem Table 1 4 1 4 Self diagnostic codes operation panel is an LCD type Contents System error service cal
39. nd obtain medical attention immedi ately If it gets into the eyes rinse immediately with copious amounts of water and obtain medical ALLENTION ER PE PER D PEER iaia ian e Advice customers that they must always follow the safety warnings and precautions in the copier s inStructon handbeokt it dias O 2 Precautions for Maintenance WARNING Always remove the power plug from the wall outlet before starting machine disassembly amp Always follow the procedures for maintenance described in the service manual and other related brochures eneen PAR A EG en N LIA N Under no circumstances attempt to bypass or disable safety features including safety mechanisms and protective CIRCUS azioni aLaaa A n N Always use parts having the correct specifications i N 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 O accident tn eat RL 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 nonnen ennenenenennneneeenennneneen Q e Always check that the copier 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 re
40. onic components enn eenenennenenen eenen ensennennenenne neee A e 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 nnn enen ennennenenereneen en ennennennennnnenneneneennennennennn meene nennen 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 nnen Q Handle greases and solvents with care by following the instructions below nnee O Use only a small amount of solvent at a time being careful not to spill Wipe spills 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 fireinsa furnace Oia ea A ow uaa dad a A dane N Should smoke be seen coming from the copier remove the power plug from the wall outlet imme e ELN EE 3 Miscellaneous WARNING e Never attempt to heat the drum or expose it to any organic solvents such as alcohol other than the specified
41. ot turn on within 1953 ms No paper feed from the specified time of cassette paper paper feed clutch 2 second paper feeder CPFCL2 turning on and cannot be detected at the same timing even after retry 14 Cassette feed switch 2 CFSW2 does not turn on within 1953 ms No paper feed from the specified time of cassette paper paper feed clutch 3 third paper feeder CPFCL3 turning on and cannot be detected at the same timing even after retry 15 The registration switch RSW does not turn on within 2243 ms Misfeed in vertical specified time of cassette feed switch 1 CFSW1 turning paper conveying sec on tioni1 Cassette feed switch 1 CFSW1 does not turn off within 1916 ms specified time of cassette feed switch 2 CFSW2 turning on Cassette feed switch 1 CFSW1 does not turn off within 1916 ms specified time of cassette feed switch 2 CFSW2 turning off Left cover is opened in prior to the cassette feed switch 1 CFSW1 is turned off 16 Cassette feed switch 1 CFSW1 does not turn on within 1916 ms Misfeed in vertical specified time of cassette feed switch 2 CFSW2 turning paper conveying sec on tong Left cover is opened in prior to the cassette feed switch 2 CFSW2 is turned off 22 The registration switch RSW does not turn off within 5907 ms Multiple sheets in first specified time of its turning on paper teeder The registration switch RSW does not turn off within the 2290 ms specified time of cassette paper fe
42. oto Exp ET Text Exp T 45 Text amp Photo Exp f Photo Exp OT Text Exp ND N WN ND First 3 digits of the third paper feeder copy count Last 3 digits of the third paper feeder copy count Clearing the count CLE ETE Text amp Photo Exp el Photo Exp OT Text Exp WIN Exp First 3 digits of the duplex unit copy count Exp Last 3 digits of the duplex unit copy count Exp Clearing the count CLE vy 0 4T 4 Text amp Photo Se O Gal Photo Nan Oe Text Off On Flashing When no optional paper feed device is installed the counts corresponding to optional paper feed devices will not appear Clearing copy counts by paper feed locations 1 Select the paper feed location to clear the count Paper feeder copy count cannot be cleared 2 Light exp 3 using the exposure adjustment key 3 Press the start key The count is cleared Completion Press the stop clear key The screen for selecting a maintenance item No is displayed 1 3 12 3MH 1 3 2 Maintenance mode operation panel is an LCD type The machine is equipped with a maintenance function which can be used to maintain and service the machine 1 Executing a maintenance item Enter 10871087 using the numeric keys Maintenance mode is entered Enter the maintenance item number using the cursor up down keys or numeric keys
43. r feeder Exp 4 Third paper feeder 4 Press the start key The setting is set Completion Press the stop clear key The screen for selecting a maintenance item No is displayed 1 3 11 3MH Maintenance item No Description U901 Checking clearing copy counts by paper feed locations Description Displays or clears copy counts by paper feed locations Purpose To check the time to replace consumable parts Also to clear the counts after replacing the consumable parts Method 1 Press the start key 2 Select the paper feed location group No for which the count is to be checked or cleared using the image mode selection key 3 Select the item using the exposure adjustment keys Image mode LED Exposure group No indicator Copy quantity display count value First 3 digits of MP copy count Last 3 digits of MP copy count Clearing the count CLE First 3 digits of the cassette copy count Last 3 digits of the cassette copy count Clearing the count CLE First 3 digits of the first paper feeder copy count Last 3 digits of the first paper feeder copy count Clearing the count CLE First 3 digits of the second paper feeder copy count Last 3 digits of the second paper feeder copy count Clearing the count CLE 1 O Tlf Text amp Photo Exp O Gal Photo Exp I Text Exp O 6T 4aq Text amp Photo Exp GalPhoto Exp ET Text Exp T 4 Text amp Photo Exp alPh
44. ress the start key The counts by paper feed locations are displayed 2 Change the screen using the cursor left right keys Display Paper feed locations BYP MP tray PF1 Cassette PF2 First paper feeder PF3 Second paper feeder PF4 Third paper feeder DUP Duplex section When an optional paper feed device is not installed the corresponding count is not displayed Clearing 1 Select the count to be cleared using the cursor up down keys However PF2 3 and 4 are displayed only and cannot be cleared 2 Press the start key The count is cleared Completion Press the stop clear key The screen for selecting a maintenance item No is displayed 3MH 1 4 1 Paper misfeed detection 1 Paper misfeed indication When a paper misfeed occurs the machine immediately stops copying and displays the jam location on the operation panel Paper misfeed detection can be reset by opening and closing the cassette left cover to turn safety switch off and on 2 Paper misfeed detection conditions Figure 1 4 1 1 4 1 3MH Section Description Conditions Specified time Paper 12 The registration switch RSW does not turn on within the 2290 ms feed No paper feed from first specified time of cassette paper paper feed clutch 1 section paper feeder CPFCL1 turning on and cannot be detected at the same timing even after retry 13 Cassette feed switch 1 CFSW1 does n
45. s extremely curled Change the paper Check if the cassette separation pulley is worn Replace the cassette separation pulley if it is worn see page 1 5 3 4 Paper jams Paper is extremely curled Change the paper Deformed guides along the paper conveying path Check visually and replace any deformed guides 5 Abnormal noise is heard Check if the pulleys rollers and gears operate smoothly Grease the bearings and gears Check if the following clutches and solenoid are installed correctly cassette paper feed clutch Correct 1 4 11 3MH This page is intentionally left blank 1 4 12 3MH 1 5 1 Precautions for assembly and disassembly 1 Precautions Before starting disassembly press the Power key on the operation panel to off Make sure that the Power lamp is off before turning off the main power switch And then unplug the power cable from the wall outlet Turning off the main power switch before pressing the power key to off may cause damage to the equipped hard disk 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 When removing the hook of the connector be sure to release the hook Take care not to get the cables caught To reassemble the parts use the original screws If the types and the
46. s turned ON EJ1 Eject motor EM forward rotation is turned ON EJ2 Eject motor EM reverse rotation is turned ON 3 Press the start key The selected motor operates 4 To stop operation press the stop reset key Completion Press the stop clear key after operation stops The screen for selecting a maintenance item No is displayed 1 3 4 Checking switches for paper conveying Description Displays the on off status of each paper detection switch on the paper path Purpose To check if the switches for paper conveying operate correctly Method 1 Press the start key 2 Turn each switch on and off manually to check the status When the on status of a switch is detected the original size indicator corresponding to the operated switch lights Original size indicator Switch A3R Ledger Eject switch ESW A4R Legal Registration switch RSW ASR Legal Cassette feed switch 1 CFSW1 AdlLetter R Cassette feed switch 2 CFSW2 B4R Letter Feedshift switch FSSW B5R Statement Duplex paper conveying switch DUPPCSW option Completion Press the stop clear key The screen for selecting a maintenance item No is displayed Maintenance item No 3MH Description U032 Checking clutch operation Description Turns each clutch or solenoid on Purpose To check the operation of each clutch or solenoid Method 1 Press the start key 2 Select the clutch or solenoid to be operated u
47. sed 1 Poor contact in the con nector terminals of cas sette left cover safety switch Reinsert the connector Also check for continuity within the con nector cable If none remedy or replace the cable 2 Defective cassette left cover safety switch Check for continuity across each switch If there is no continuity when the switch is on replace it 8 Others 1 4 10 1 Wiring is broken shorted or makes poor contact Check for continuity If none repair 1 4 5 Mechanical problems Problem Causes check procedures 3MH Corrective measures 1 No primary paper feed Check if the surfaces of the following rollers or pulleys are dirty with paper powder cassette forwarding pulley cassette paper feed pulley cassette separation pulley feed roller and feed pulley Clean with isopropyl alcohol Check if the upper lower forwarding pulleys cassette forwarding pulley cassette paper feed pulley cassette separation pulley is deformed Replace see page 1 5 3 5 Electrical problem with the following clutches and solenoid cassette paper feed clutch See page 1 4 9 2 Skewed paper feed Width guide in a cassette installed incorrectly Check the width guide visually and correct or replace if necessary Deformed width guide in a cassette Check visually and replace any deformed guide 3 Multiple sheets of paper are fed at one time Paper i
48. sing the exposure adjustment keys 3 Press the start key The selected clutch turns on for 1 s Display Clutch P1 Paper feed clutch PFCL Pb MP solenoid MPSOL A1 Registration clutch RCL d1 Duplex feed clutch DUPFCL P2 Cassette paper feed clutch 1 CPFCL1 P3 Cassette paper feed clutch 2 CPFCL2 P4 Cassette paper feed clutch 3 CPFCL3 Completion Press the stop clear key The screen for selecting a maintenance item No is displayed 1 3 5 3MH Maintenance item No Description U034 1 3 6 Adjusting the print start timing Description Adjusts the leading edge registration center line or trailing edge margin Purpose Make the adjustment if there is a regular error between the leading edges of the copy image and original Make the adjustment if there is a regular error between the center lines of the copy image and original Make the adjustment if there is a regular error between the trailing edges of the copy image and original Method 1 Press the start key 2 Select the item using the image mode selection key Image mode LEDs Description group No 1 O iG Text amp Photo Leading edge registration adjustment O GalPhoto I Text O 4 Text amp Photo Center line adjustment 4mlPhoto T Text T f Text amp Photo Trailing edge margin adjustment 4m Photo T rext T 45 Text amp Photo Leading edge registration adjustm
49. sizes of screws are not known refer to the PARTS LIST 1 5 1 3MH 1 5 2 Paper feed section 1 Detaching and refitting the feed roller Follow the procedure below to replace the feed roller Procedure 1 Open the cassette left cover 2 Remove the stop ring from rear side of the feed roller and slide the bush toward the inside 3 Lift the rear of the feed roller upward Slide the feed roller toward the rear side and remove the roller from the paper feeder 4 Remove the gear spring pin and two bushes from the feed roller 5 Replace the feed roller and refit all the removed parts 1 5 2 Stop ring Feed roller Figure 1 5 1 Spring pin Gear Bush gt Feed roller Figure 1 5 2 3MH 2 Detaching and refitting the cassette separation pulley Follow the procedure below to replace the cassette separation pulley Procedure 1 Pull out the cassette 2 Remove the screw and remove the lower paper feed unit Lower paper feed unit Figure 1 5 3 3 Release two hooks and remove the separa tion pulley unit from the lower paper feed unit Separation pulley unit Separation pulley unit Figure 1 5 4 1 5 3 3MH 4 Remove the separation pulley shaft from the separation pulley unit 5 Remove the cassette separation pulley from the separation pulley shaft 6 Replace the cassette separation pulley and refit all the removed
50. spective motors when the magnification is not correct Method 1 Press the start key 2 Select the item to be adjusted using the cursor up down keys Display Description Setting Initial range setting MAIN Drive motor speed adjustment 5 0 to 5 0 0 3 POLY Polygon motor speed adjustment 5 0 to 5 0 0 7 EJE Eject motor speed adjustment 5 0 to 5 0 0 5 DRUM Drum motor speed adjustment 5 0 to 5 0 0 0 BYP Motor speed adjustment 5 0 to 5 0 0 1 for paper feed from MP tray CAS Motor speed adjustment 5 0 to 5 0 0 1 for paper feed from paper feeder DUP Motor speed adjustment for duplex mode 5 0 to 5 0 0 3 EJE2 Eject motor speed 5 0 to 5 0 0 0 optional ejection correction value in the case of paper size of A3 B4 and Ledger Eject motor speed 5 0 to 5 0 optional ejection correction value in the case of paper size other than those above Eject motor speed 0 0 to 5 0 ejection motor correction value at the time of duplex inner ejection DF Paper conveying motor speed adjustment 4 0 to 4 0 for optional built in finisher Adjustment 1 Press the interrupt key 2 Press the start key to output an A3 Ledger VTC pattern Correct values for an A3 Ledger output are A 300 1 0 mm B 270 1 0mm Figure 1 3 11 3 Change the setting value using the cursor left right keys A Drive motor speed adjustment Increasing the setting makes the image longer in the auxiliary scanning direction
51. ss the stop clear key Completion Press the stop clear key after operation stops The screen for selecting a maintenance item No is displayed 1 3 15 3MH Maintenance item No Description U031 Checking switches for paper conveying Description Displays the on off status of each paper detection switch on the paper path Purpose To check if the switches for paper conveying operate correctly Method 1 Press the start key 2 Turn each switch on and off manually to check the status When a switch is detected to be in the ON position the display for that switch will be highlighted Display Switches EJE Eject switch ESW RES Registration switch RSW PF2 Cassette feed switch 1 CFSW1 PF3 Cassette feed switch 2 CFSW2 BRA Feedshift switch FSSW DUP Duplex paper conveying switch DUPPCSW option JOB Job eject switch JBESW option Completion Press the stop clear key The screen for selecting a maintenance item No is displayed 1 3 16 Checking clutch operation Description Turns each clutch or solenoid on Purpose To check the operation of each clutch or solenoid Method 1 Press the start key 2 Select the clutch or solenoid to be operated using the cursor up down keys 3 Press the start key The clutch or solenoid turns on for 1 s Display Clutches and solenoid PF1 Paper feed clutch PFCL PFBYP MP solenoid MPSOL REG Registration clutch RCL DUP D
52. t of the motor speed 0 3 0 7 0 5 0 0 0 0 5 1 0 1 0 1 0 3 Mode setting Specific paper feed location setting for printing function Other Checking clearing copy counts by paper feed locations Initial setting for executing U020 1 The item initialized for executing U020 2 The item initialized for executing U021 1 3 2 3MH 3 Contents of maintenance mode items Maintenance Description item No U019 Displaying the ROM version Description Displays the part number of the ROM fitted to each board Purpose To check the part number or to decide if the ROM version is new from the last digit of the number Method 1 Press the start key 2 Select the item to be displayed using the image mode selection key and exposure adjustment keys Image mode LEDs aa Copy quantity display O T 4 5 Text amp Photo Exp 1 lit A Part Code Main PWB O lPhoto Exp 2 lit Change history of the main PWB O I Text Exp 3 lit Number of the main ROM Exp 4 lit Number of the main ROM sub O T 4 8 Text 8 Photo Exp 1 lit E Part Code Engine PWB O Photo Exp 2 lit Change history of the engine PWB Text Exp 3 lit Number of the engine ROM Exp 4 lit Number of the engine ROM sub Exp 5 lit Change history of the engine PWB BOOT Exp 1 flashing Number of the engine PWB BOOT T 4 5 Text 8 Photo Exp 1 lit L Part Cod
53. th the cassette paper feed clutch 1 Check see page 1 4 9 Check if the right and left registration rollers contact each other Check visually and replace 1 4 4 Problem Causes check procedures 3MH Corrective measures 7 A paper jam in the paper feed section is indicated during copying multiple sheets in second paper feeder Jam code 23 Deformed guides along the paper conveying path Check visually and replace Broken cassette feed switch 1 actuator Check visually and replace switch Defective cassette feed switch 1 Run maintenance item U031 and turn cassette feed switch 1 on and off manually Replace the switch if indication of the corre sponding switch is not light Check if the cassette paper feed clutch 2 malfunctions Run maintenance item U032 and select the cassette paper feed clutch 2 to be turned on and off Check the status and remedy if necessary Electrical problem with the cassette paper feed clutch 2 Check see page 1 4 9 8 A paper jam in the paper feed section is indicated during copying multiple sheets in third paper feeder Jam code 24 Deformed guides along the paper conveying path Check visually and replace Broken cassette feed switch 2 actuator Check visually and replace switch Defective cassette feed switch 2 Run maintenance item U031 and turn cassette feed switch 2 on and off manually Rep
54. uplex feed clutch DUPFCL PF2 Cassette paper feed clutch 1 CPFCL1 PF3 Cassette paper feed clutch 2 CPFCL2 PF4 Cassette paper feed clutch 3 CPFCL3 Completion Press the stop clear key The screen for selecting a maintenance item No is displayed Maintenance item No 3MH Description U034 Adjusting the print start timing Description Adjusts the leading edge registration or center line Purpose Make the adjustment if there is a regular error between the leading edges of the copy image and original Make the adjustment if there is a regular error between the center lines of the copy image and original Make the adjustment if there is a regular error between the trailing edges of the copy image and original Method 1 Press the start key 2 Select the item to be adjusted using the cursor up down keys The setting screen for the selected item is displayed Display Description ADJ RCL ON TIMING Leading edge registration adjustment ADJ LSU ON TIMING Center line adjustment ADJ MGN REAR Trailing edge margin adjustment Adjustment Leading edge registration adjustment 1 Select the item to be adjusted using the cursor up down keys Display Description Setting Initial Change in range setting value per step RCL ON Paper feed from cassette 5 0 to 10 0 2 8 0 1 mm RCL BYP Paper feed from MP tray 5 0 to 10 0 0 0 0 1 mm RCL T1 Paper feed from first paper feeder 5 0 to 10 0 0
55. uplex mode second side 7 0 to 10 0 0 0 0 1 mm Press the interrupt key Press the start key to output a test pattern Change the setting value using the cursor left right keys For output example 1 decrease the value For output example 2 increase the value Center line of printing 1 0 mm Correct image Output Output example 1 example 2 Figure 1 3 8 5 Press the start key The value is set Caution Check the copy image after the adjustment If the image is still incorrect perform the following adjustments in maintenance mode U067 U072 See the service manual See the service manual for the machine for the machine 3MH Maintenance item No Description U034 Adjustment Trailing edge margin adjustment 1 Select MGN REAR Display Description Setting Initial Change in range setting value per step MGN REAR Trailing edge margin adjustment 4 0 to 10 0 2 0 0 1 ms Press the interrupt key Press the start key to output a test pattern Change the setting value using the cursor left right keys For output example increase the value Trailing edge margin 4 Output Correct image example Figure 1 3 9 5 Press the start key The value is set Completion Press the stop clear key The screen for selecting a maintenance item No is displayed 1 3 19 3MH Maintenance item No Descriptio
56. witch If the level of following terminal on PWB does not go low when the switch is turned on and off replace the switch Cassette paper switch YC5 2 on the cassette main PWB 5 The size of paper on the cassette is not displayed correctly Poor contact in the con nector terminals of cas sette paper size width switch or cassette paper size length switch Reinsert the connector Also check for continuity within the con nector cable If none remedy or replace the cable Defective cassette paper size width switch or cas sette paper size length switch If the level of following terminal on PWB does not go low when the switch is turned on and off replace the switch Cassette paper size width switch YC4 4 on the cassette main PWB Cassette paper size length switch YC4 5 6 8 on the cassette main PWB 6 A paper jam in the paper feeder is indi cated when the main power switch is turned on A piece of paper torn from copy paper is caught around cassette feed switch 1 or 2 Check visually and remove it if any Defective switch Run maintenance item U031 and turn switch on and off manually Replace the switch if indication of the corresponding switch is not light Cassette feed switch1 2 1 4 9 3MH Problem Causes Check procedures corrective measures 7 The message requesting cover to be closed is dis played when the cas sette left cover is clo
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