Minolta DI450 Service Manual Download Page 263

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T-72

5-3.

Troubleshooting Procedures Classified by Image Failure

• Image Failure Samples

4002T010AA

1. Blank copy

2. Black copy

3. Low image density

4. Foggy background

5. Black streaks or bands

6. Black spots

7. Blank streaks or bands

8. Void areas

9. Smear on back

10. Uneven image density

11. Gradation reproduction

failure

12. Rough image

13. Periodically uneven

image

14. Traces of PC Drum Paper

Separator Fingers

15. Void areas along

leading edge

Summary of Contents for DI450

Page 1: ...Di450 Di550 SERVICE MANUAL FIELD SERVICE Return to Main Form Return to Service Form Exit Program ...

Page 2: ...efore starting the procedures be sure to unplug the power cord 3 Use the specified parts WARNING CAUTION WARNING Parts requiring special attention in this product will include a label containing the mark shown on the left plus precautionary notes Be sure to observe the pre cautions Be sure to observe the Safety Information given in the Operator s Manual This product contains a high voltage unit an...

Page 3: ... part marked with the symbol shown on the left and other parts such as the exposure lamp and fusing roller can be very hot while the machine is energized Touching them may result in a burn Wait until these parts have cooled down before replacing them or any surround ing parts Be sure to connect the ground wire to the ground terminal even when perform ing an inspection or repair Without proper grou...

Page 4: ...embled parts or a container of liquid on the product Parts falling into or the liquid spilling inside the mechanism could result in an electric shock or fire Never use a flammable spray near the product This could result in a fire Make sure the power cord is unplugged before removing or installing circuit boards or plugging in or unplugging connectors Always use the interlock switch actuating jig ...

Page 5: ...ug the power cord before removing this cover If removing this cover while the power is ON is unavoidable be sure to wear pro tective laser goggles that meet specifications Make sure that no one enters the room when the machine is in this condition When handling the laser unit observe the Precautions for Handling Laser Equipment DANGER Invisible laser radiation when open AVOID DIRECT EXPOSURE TO BE...

Page 6: ...HAN DLING THE PWBs WITH MOS ICs applicable only to the products using MOS ICs The PC Drum is a very delicate component Observe the precautions given in HAN DLING OF THE PC DRUM because mishandling may result in serious image problems Note that replacement of a circuit board may call for readjustments or resetting of partic ular items or software installation After completing a service job perform ...

Page 7: ...sageés conformément aux instructions du fabricant Denmark ADVARSEL Lithiumbatteri Eksplosionsfare ved fejlagtig håndtering Udskiftning må kun ske med bat teri af samme fabrikat og type Levér det brugte batteri tilbage til leverandøren Norway ADVARSEL Eksplosjonsfare ved feilaktig skifte av batteri Benytt samme batteritype eller en tilsvarende type anbefalt av apparatfabrikanten Brukte batterier ka...

Page 8: ...trou bleshooting procedures applicable within the defective unit All troubleshooting procedures contained herein assume that there are no breaks in the harnesses and cords and all connectors are plugged into the right positions The procedures preclude possible malfunctions due to noise and other external causes Check the area surrounding the service site for any signs of damage wear or need of rep...

Page 9: ...pier A battery lithium nickel cadmium etc is used in this machine Do not charge or short circuit it and make sure of the correct polarity at replacement A used battery should be disposed of according to the local regulations and never be dis carded casually or left unattended at the user s premises When reassembling parts make sure that the correct screws size type and toothed washer are used in t...

Page 10: ...er use connectors on the Board Never create a closed circuit across IC pins with a metal tool Before unplugging connectors from the P W Boards make sure that the power cord has been unplugged from the outlet When removing a Board from its conductive bag or conductive case do not touch the pins of the ICs or the printed pattern Place it in position by holding only the edges of the Board When touchi...

Page 11: ...s to the surface of the PC Drum Do not attempt to wipe clean the surface of the PC Drum If however the surface is contaminated with fingerprints clean it using the following proce dure Handling of the PC Drum 1 Place the PC Drum into one half of its carton 1076D001 2 Gently wipe the residual toner off the surface of the PC Drum with a dry Dust Free Cotton Pad A Turn the PC Drum so that the area of...

Page 12: ...ging Cartridge Use care not to contaminate the surface of the PC Drum with oil base solvent finger prints and other foreign matter Do not scratch the surface of the PC Drum Do not attempt to wipe clean the surface of the PC Drum 3 Soak a small amount of either ethyl alcohol or iso propyl alcohol into a clean unused Dust Free Cot ton Pad which has been folded over into quarters Now wipe the surface...

Page 13: ......

Page 14: ...DIS REASSEMBLY ADJUSTMENT ...

Page 15: ......

Page 16: ... 9 7 4 5 6 8 7 4 5 6 4 5 6 3 4 5 6 4 5 6 5 4 5 6 8 4 5 6 8 7 4 5 6 6 8 4 5 6 A 0 9 6 A 7 6 7 4 5 6 6 3 4 5 6 6 6 6 7 4 5 6 9 B 6 9 B 4 5 6 9 B 6 9 B 4 5 6 9 B 8 4 5 4 5 6 8 4 5 3 6 8 4 5 4 9 6 8 4 9 6 8 9 7 6 8 9 A 7 6 8 9 9 3 6 ...

Page 17: ...3 6 5 4 5 6 5 6 5 5 6 6 3 4 6 4 6 5 6 6 84 7 4 5 6 6 4 5 6 4 6 4 4 5 6 B 84 7 4 5 6 B 4 6 7 3 4 5 6 7 3 4 5 6 84 3 6 84 8 3 6 84 3 6 4 3 3 4 5 6 4 6 3 6 4 6 3 4 5 6 4 6 3 6 3 7 4 5 6 3 6 4 6 8 3 6 4 6 8 33 3 4 9 6 8 3 4 5 6 8 6 8 6 8 3 6 8 4 5 6 8 4 ...

Page 18: ... 8 4 4 5 6 4 5 6 8 4 5 6 6 4 5 8 3 3 4 5 6 8 5 8 3 7 3 6 8 5 0 3 C C C C C D8 4 6 A 7 C D8 4 6 8 5 4 D8 4 6 5 5 4 D8 4 6 4 3 C D8 4 6 8 A D8 4 6 8 5 D8 4 6 8 3 6 84 3 D8 4 6 8 5 8 C D8 C 7 8 D 7 B D8 3 3 3 7 7 D8 4 7 8 7 E 4 73 E 4 7 77 C ...

Page 19: ... 5 D8 4 6 6 6 D8 4 6 6 6 8 9 9 3 D8 4 6 8 9 D8 4 6 6 3 D8 4 6 9 6 4 D8 4 6 5 D8 4 7 E 4 3 0 4 0 48 8 9 4 8 4 8 4 ...

Page 20: ...A highly reflective tool can be dangerous if it is brought into the laser beam path Use utmost care when handling tools on the user s premises The printerhead is not maintainable in the field It is to be replaced as an assembly including the control board Never therefore attempt to remove the laser diode or adjust trimmers on the control board 4002M014AB Inverter Board INV 250 V 2 A F1 Power Suppl...

Page 21: ...t Red painted screws show that the assembly or unit secured can only be adjusted or set at the factory and should not be adjusted set or removed in the field Note that when two or more screws are used on the part in questions only one representa tive screw may be marked with red paint 2 Variable Resistors on Board Do not turn the variable resistors on boards for which no adjusting instructions are...

Page 22: ...D 3 2 DISASSEMBLY REASSEMBLY 2 1 DOORS COVERS AND EXTERIOR PARTS IDENTIFICATION AND REMOVAL PROCEDURES 4002D025AC 1 2 3 4 5 6 7 8 9 10 11 12 13 18 17 16 15 14 4002D026AC ...

Page 23: ...wer 8 Middle Left Door Remove No 11 Remove two Middle Left Door mounting screws 9 Upper Left Door Exit Duplex Switching Unit D 17 10 Filter Cover Unhook one tab on the Filter Cover 11 Left Cover Slide out No 6 Swing down No 5 Remove seven Left Cover mounting screws 12 Rear Upper Cover Remove No 13 Remove No 11 Remove No 18 Remove two Rear Upper Cover mounting screws 13 Original Cover Remove the Or...

Page 24: ... removal procedures The removal procedures given in the following omit the removal of connectors and screws securing the circuit board support or circuit board Where it is absolutely necessary to touch the ICs and other electrical components on the board be sure to ground your body 4002M013AC PWB IC PWB A INV PWB B PWB IA UN1 PWB S PWB C HV1 PU2 PU1 PWB I2 PWB I1 UN2 PWB G PWB R ...

Page 25: ...WB I2 Paper Size Detecting Board 2 PWB IC SCP Board Remove the Rear Upper Cover PWB IC PWB M Memory Board Remove the Original Glass Remove four screws and the IR Base Plate Left Cover PWB M PWB R HDD Power Sup ply Board Remove the Rear Cover Remove the Left Cover Remove three screws and the HDD Mounting Bracket Assy PWB R PWB S Tech Rep Setting Switches Board Swing down the Front Door Remove the L...

Page 26: ...02D043AB 4 Remove four screws and the cover on the left 5 Remove three screws and the cover on the right 4002D044AC 6 Remove three screws and the PH Cooling Fan Motor mounting bracket Assy 7 Remove six screws and the mounting bracket 4002D046AB 8 Remove five screws and the Cover 4002D238AC Cover 9 Remove five screws and the Master Board Mount ing Bracket Assy 4002D069AC ...

Page 27: ...g five connectors two flat cables 12 Remove the harness from the edge cover 4002D258AB 13 Unplug four connectors 14 Remove five screws and the Imaging Processing Board Mounting Bracket Assy 4002D515AA 15 Remove ten screws and the Imaging Processing Board 4002D516AA ...

Page 28: ...t Door 2 Remove two connectors and the cover 3 Unplug two connectors 4002D027AD 4 Remove two screws and the Upper Right Cover NOTE When reinstalling the Upper Right Cover Adjustment of the Upper Right Door Multi Bypass Unit D 106 4002D028AB 5 Unplug two connectors from lower end of the Suc tion Unit 4002D029AA 6 Swing the Transport Section Release Lever back to its original position 7 Pressing dow...

Page 29: ...r 9 Holding up the Suction Unit remove the compres sion coil 4002D031AD 10 Remove the Suction Unit by sliding it to the right 1136D101AA NOTE When reinstalling the Suction Unit make sure that two positioning pins on the copier fit into the positioning holes in the Suction Unit 1134D028AA 3 Unplug two connectors remove four screws and remove the Main Hopper Unit 4002D032AD ...

Page 30: ...over NOTE Do not remove the belt mounting screw on the cover 4002D196AC 5 Unplug two connectors remove four screws and remove the Main Hopper Unit 4002D032AD 6 Remove three screws and the PH Cooling Fan Motor mounting bracket Assy 7 Remove six screws and the mounting bracket 4002D046AB 8 Remove the Original Grass and EDH Glass 9 Remove eight screws and the CCD Unit Cover 4002D043AB 10 Remove four ...

Page 31: ... 4002D034AC 12 Unplug four connectors at the front 4002D035AD 13 Remove five screws and the Cover 4002D238AC Cover 14 Remove five screws and the Master Board Mount ing Bracket Assy 4002D069AC 15 Unplug ten connectors in the rear 16 Remove one screw and the ground wire 4002D036AC ...

Page 32: ...emove four screws and the right mounting bracket 4002D038AC 19 Remove four screws and the left mounting bracket 4002D039AC 20 Remove five screws that secure the IR Unit on the front side 4002D040AD 21 Remove four screws that secure the IR Unit in the rear 4002D041AB ...

Page 33: ... Whenever the PH Unit has been removed make the following adjustments Lead Trail Edge Erase and Registration CD FD 22 Remove the IR Unit 4002D042AB 1 Remove the Right Cover 2 Remove the Original Glass and EDH Glass 3 Remove eight screws and the CCD Unit Cover 4002D043AB 4 Remove three screws and the cover 4002D260AA 5 Unplug two connectors two flat cables 6 Remove the harness from the edge cover 4...

Page 34: ...acket 4002D046AB 9 Remove the harness from two cord clamps and one edge cover 4002D047AC 10 Unplug two relay connectors and remove the har ness from the cord clamp 4002D048AB 11 Swing down the Front Door and slide out the Developer Unit 12 Remove two thumbscrews and one bolt 4002D049AB 13 Remove the PH Unit 4002D050AB ...

Page 35: ...port Section Release Lever 4002D051AB 3 Loosen two screws and remove the Developing Unit 4002U072AB 1 Swing down the Front Door and slide out the Developing Unit 2 Unplug one connector and remove three screws and the Sub Hopper Unit 4002D053AA 1 Open the Left Door 2 Swing Down the Front Door 3 Remove one screw and slide out the Fusing Unit 4002D054AC ...

Page 36: ... Remove the cable from the spring 4002D261AA 3 Remove the Rear Cover 4 Open the Upper Left Door 5 Remove the Left Cover 6 Unplug one connector and remove the harness from the edge cover 7 Remove one screw holding bracket and the band 4002D055AC 8 Remove one screw and the holding bracket 9 Remove the Upper Left Door 4002D056AE ...

Page 37: ...Paper Separator Roll Assy 1 Remove the Right Door 2 Remove one screw and the Paper Guide Plate from each drawer 4002D057AB 3 Remove the Paper Separator Roll Paper Guide Plate Assy by turning it about 90 in the direction of the arrow 4002D058AC 4 Loosen one screw and remove the Paper Separa tor Roll Mounting Bracket Assy 4002D059AE 4002D060AB ...

Page 38: ... 4002D061AB 7 Remove the Paper Take Up Roll and Paper Feed Roll 4002D062AB 1 Remove the Paper Separator Roll Mounting Bracket Assy 2 Using a soft cloth dampened with alcohol wipe each roll clean of dirt 4002D063AA 1 Remove the Paper Separator Roll Mounting Bracket Assy 2 Using a soft cloth dampened with alcohol clean the Paper Separator Roll 4640D009AA ...

Page 39: ... 4 Remove three screws and the Drawer Set Sensor Mounting Bracket Assy 5 Unplug one connector NOTE Reinstall the Drawer Set Sensor Mounting Bracket as you hold the lever 4002D067AB 6 Unplug two connectors 7 Remove one screw and the Drawer Lift Up Unit NOTE When reinstalling the Drawer Lift Up Unit make sure that the mounting bracket is properly aligned with the positioning dowel pin on the copier ...

Page 40: ...ng down the Front Door and slide out the Developing Unit 2 Slide out the 1st Drawer 3 Remove the Rear Cover 4 Remove the Right Cover 5 Remove five screws and the Cover 4002D238AC Cover 6 Remove five screws and the Master Board Mount ing Bracket Assy 4002D069AC 7 Remove six screws and the board cover 4002D068AC ...

Page 41: ...llers Drive Assy 4002D073AB 11 Snap off the E ring and remove the gear 12 Unhook one spring and snap off one E ring Then remove the bushing from the rear end of the Upper Transport Roller 13 Snap off one E ring and remove the bearing from the rear end of the Lower Transport Roller 4002D239AC 14 Remove three screws and the Cover NOTE Do not remove the belt mounting screw on the cover 4002D075AB ...

Page 42: ...sport Roller 4002D240AB 16 Remove the Upper Transport Roller 17 Remove the Lower Transport Roller 4002D241AA 1 Swing down the Front Door and slide out the Developing Unit 2 Using a soft cloth dampened with alcohol clean the Upper Transport Roller 4002D242AA 1 Swing down the Front Door and slide out the Developing Unit 2 Using a soft cloth dampened with alcohol clean the Lower Transport Roller 4002...

Page 43: ...dirt 4002D244AA 1 Swing down the Front Door and slide out the Developing Unit 2 Remove the Rear Cover 3 Remove the Right Cover 4 Remove five screws and the Cover 4002D238AC Cover 5 Remove five screws and the Master Board Mount ing Bracket Assy 4002D069AC 6 Remove six screws and the board cover 4002D068AC 7 Remove three screws and the Power Supply Board Mounting Bracket Assy 4002D070AB ...

Page 44: ...g two connectors and remove three screws and the Transport Synchronizing Rollers Drive Assy 4002D073AB 11 Snap off the E ring and remove the gear 12 Snap off one E ring and remove the bushing from the rear end of the Upper Synchronizing Roller 4002D074AA 13 Remove three screws and the Cover NOTE Do not remove the belt mounting screw on the cover 4002D075AB ...

Page 45: ...ront Door and slide out the Developing Unit 2 Using a brush or a vacuum cleaner clean the Upper Synchronizing Roller 4002D080AB 1 Remove the Suction Unit 2 Unhook the spring snap off the E ring and remove the bushing from the front end of the Lower Syn chronizing Roller 4002D077AC 3 Unhook the spring snap off the E ring and remove the gear and bushing from the rear end of the Lower Synchronizing R...

Page 46: ...a vacuum cleaner clean the Lower Synchronizing Roller 4002D081AB 1 Swing down the Front Door and slide out the Developing Unit 2 Remove one screw and the Synchronizing Paper Dust Remover Assy 4002D082AB NOTE When only the Paper Dust Remover is to be replaced affix the new one along the reference line as shown on the left 1136D094AA 1 Open the Upper Right Door 2 Remove the Transport Paper Dust Remo...

Page 47: ... Assy 2 Using a brush whisk dust off the Synchronizing Paper Dust Remover 1136D095AA 1 Remove the Transport Paper Dust Remover Assy 2 Using a brush whisk dust off the Transport Paper Dust Remover 4002D541AA 1 Remove the Suction Unit 2 Remove two screws and the duct 3 Remove four screws and the Suction Drive Unit NOTE When reinstalling the Suction Drive Unit try to press it down against the Suction...

Page 48: ...as shown on the left 4002D086AB 1 Remove the Right Door 2 Remove four screws and the Separator Guide Plate Assy 4002D087AB 3 Remove the Spring NOTE When reinstalling the Spring place it so that its close coiled end faces the Separator Unit 4002D088AB 4 Snap off the C clip and remove the Separator Assy 4002D089AB ...

Page 49: ...id has been replaced or a solenoid mounting screw removed be sure to adjust the posi tion of the solenoid D 72 4002D090AB 7 Snap off the E ring and remove the gear 8 Unhook the spring and remove the gear assy 4002D091AB 9 Snap off the E ring and remove the Paper Take Up Roll Assy 4002D092AB 10 Snap off the E ring and remove the Paper Feed Roll 4002D093AB ...

Page 50: ...ulti Bypass Paper Separator Roll Assy 11 Snap off the E ring and remove the Paper Take Up Roll 4002D094AB 1 Using a soft cloth dampened with alcohol clean the Paper Take Up Roll Paper Feed Roll 4002D095AB 1 Using a soft cloth dampened with alcohol clean the Paper Separator Roll Assy 4002D097AB ...

Page 51: ...al Glass and EDH Glass with a soft cloth 4002O262AB 1 Remove the Original Glass 2 Wipe the surface of each mirror clean of dirt using a soft cloth 4002D107AA 1 Remove the Original Glass and EDH Glass 2 Remove eight screws and the CCD Unit Cover 3 Remove four screws and the Lens Cover 4002D108AB 4 Wipe clean the Lens with a soft cloth 4002D109AA ...

Page 52: ...th NOTE Apply lubricant to the Scanner Rails Bushings after they have been cleaned 4002D100AA 1 Swing down the Front Door and slide out the Developing Unit 2 Open the cover 4002D265AA 3 Wipe clean the PH Glass with a soft cloth 4002D099AB 1 Remove the Original Glass 2 Slide the Scanner to the position shown 3 Remove the two Scanner mounting screws at the front and rear 4002D101AC ...

Page 53: ...f the copier NOTE At this point the Scanner is kept connected to a flat cable and cannot be taken off 4002D102AB 5 Unplug one connector 6 Remove two screws and the flat cable board 7 Remove the Scanner 4002D103AB 1 Remove the Scanner 2 Unplug one connector from the Inverter Board 3 Remove the harnesses from the corresponding wiring saddles 4002D105AF 4 Remove one screw and the Exposure Lamp 4002D1...

Page 54: ...he Scanner 1 Remove four screws and the EDH Glass Holder 2 Remove the EDH Glass 4002D245AB 5 Unhook the springs of the Scanner Drive Cables on the hook side one each at the front and in the rear 6 Remove the front and rear Scanner Drive Cables 4002D110AB 7 Remove three screws and the Scanner Motor Mounting Bracket Assy 4002D111AC 8 Remove one screw and then slide the front pulley and bushing towar...

Page 55: ... 10 Remove the Scanner Drive Gear pulleys and bushings at the front and rear and the shaft 4002D114AD 4002D001AA Pulley C Pulley B Pulley F Pulley A Pulley E Pulley D 1 Position the round bead of the Scanner Drive Cable in the pulley as shown NOTE Make sure that the bead snugly rests in the slit in the pulley Front 4002D002AA Bead ...

Page 56: ...OTE Make sure that no part of the cable rides on the other 4002D004AA 4 Slip the Cable Holding Jig onto the pulley to secure the cable in position 4002D501AA 5 Position the round bead of the Scanner Drive Cable in the pulley as shown NOTE Make sure that the bead snugly rests in the slit in the pulley Rear 4002D005AA Bead 6 Wind the fixed bead end of the cable around the pulley five turns clockwise...

Page 57: ...he pulley to secure the cable in position 4002D502AA 9 Mount the front and rear pulleys and bushings on the shaft and install the shaft to the IR Unit 10 Mount the Scanner Drive Gear on the shaft and secure it in position with one screw 4002D115AD 11 Install an Allen wrench into the holes in the shaft and the IR Base Plate 4002D116AD 12 Slide the front pulley and bushing to the front and install o...

Page 58: ...just able Anchor Front 4002D008AA Pulley C Pulley B 15 Wind the hook end of the cable around pulley A and pulley B 4002D009AA Pulley B Pulley A 16 Fit the hook end of the cable into the groove in the Cable Guide and hook the spring 4002D119AB Cable Guide 17 Wind the bead end of the cable around pulley F and pulley E then hook the bead onto the Adjust able Anchor Rear 4002D010AA Pulley F Pulley E ...

Page 59: ...he Original Glass and EDH Glass 26 Adjust the position of the Scanner and 2nd 3rd Mirrors Carriage D 107 NOTE Whenever the Scanner Drive Cables have been removed be sure to carry out the following check and adjustment Orig Size Adjust and Registration CD 18 Wind the hook end of the cable around pulley D and pulley E 4002D011AA Pulley D Pulley E 19 Fit the hook end of the cable into the groove in t...

Page 60: ...move the PC Drum 4002D122AB NOTES When reinstalling the PC Drum refer to the illustra tion on the left and make sure of the correct direction of installation Be also sure to hold the PC Drum on both sides with care not to touch the surface of the drum with bare hands When the PC Drum has been replaced clear the counts of PC Drum 1 PC Drum 2 and PC Drum 3 of PM of Counter available from the Tech Re...

Page 61: ...d the Cleaning Blade 4002D127AB NOTE When reinstalling the Cleaning Blade press the blade tightly up against the mounting bracket 1136D173AA 8 Remove two screws unplug one connector and remove the ATDC Sensor 4002D246AA 9 Unplug one connector 10 Remove three screws and the PC Drum Paper Fin ger Holder Assy 1156D061AA ...

Page 62: ...wing adjustment procedure Positioning of the PC Drum Paper Separator Fingers D 76 NOTE When reinstalling the PC Drum Paper Separator Fin ger Holder Assy fit the collar of the assy onto the cou pling holder in the rear 1134D047AA Coupling Holder Collar Assy AIDC Sensor Board 4002D128AB PC Drum Paper Separator Finger Installed 1156D063AA Top View Rear View Hook the spring property After installation...

Page 63: ...ing Blade 1 Using a brush whisk dust off the Developer Scat tering Prevention Plate 4002D129AA 1 Using a brush or a soft cloth dampened with alco hol clean the DS Positioning Collars 1136D177AA 1 Using a brush or a soft cloth clean the Toner Anti spill Trap 4002D130AA 1 Remove two screws and the Cleaning Blade and replace the Cleaning Blade with a new one 4002D127AB ...

Page 64: ...o the toner 4002U022AA 3 Apply toner to the entire surface of the new Clean ing Blade 4002D132AA 4 Using the brush apply lubricant shipped with the Cleaning Blade to the two side seals shown 4002D133AB 5 Install the PC Drum 4002D123AB 6 Fit the PC Drum stopper and tighten the screws 4002D135AC ...

Page 65: ... the both sides of the PC Drum with hands turn the PC Drum a half turn in the direction of the arrow 4002U024AC 9 Holding onto the both sides of the PC Drum with hands turn the PC Drum a half turn in the direction of the arrow 4002U025AC 1 Remove the Sub Hopper Unit 2 Dump the developer out the Developing Unit 4002D126AA ...

Page 66: ...n the F8 ATDC Sensor operation D 81 1134D051AA 1 Remove the PC Drum 2 Using a brush or a soft cloth dampened with alco hol clean the AIDC Sensor Board 4002D136AA 1 Remove the PC Drum 2 Using a brush or a soft cloth dampened with alco hol clean the PC Drum Paper Separator Fingers NOTE During the cleaning procedure use care not to scratch bend or otherwise damage the tips of the PC Drum Paper Separa...

Page 67: ...pill Plate and Toner Antispill Seal press them in the direction of the arrows 4002D139AB 1 Remove the Toner Antispill Seal 2 Using a brush clean the Toner Antispill Seal 4002D140AA 1 Swing down the Front Door 2 Unplug one connector 3 Remove one screw and the Main Erase Lamp 4002D141AB 1 Swing down the Front Door 2 Remove the Main Erase Lamp Filter 4002D142AB ...

Page 68: ... the Main Hopper 3 Slide out the Ozone Filter 4002D143AB 1 Unhook one tab and remove the Filter Cover 2 Pull out the Ozone Filter 4002D144AB 1 Slide out the drawers from the applicable paper source option There is no need of sliding out the drawer for LCC 2 Swing down the Toner Collecting Bottle Cover 3 Remove the Toner Collecting Bottle NOTE When the Toner Collecting Bottle has been replaced clea...

Page 69: ...a to the rear raise it and take it off 4002U015AA 1 Remove the PC Drum Charge Corona 2 Press the Mesh Holder on the front of the Corona Unit in the direction of arrow A to remove the Grid Mesh 1156D070AA 3 Remove the Cleaning Pad Holder 4 Remove the End Caps from the front and rear ends of the Unit 4002D146AB 5 Remove the Comb Electrode NOTES Use care not to deform the Comb Electrode When removing...

Page 70: ...oth 1139D177AA 1 Blow all foreign matter off the Grid Mesh with a blower brush 1136D195AA NOTES If the blower brush is not effective in cleaning seri ous contamination of the Grid Mesh use a soft cloth dampened with alcohol At this time place the Grid Mesh on a flat surface and sweep the cloth along the mesh After cleaning use care not to touch the cleaned Grid Mesh with bare hands 1136D196AA ...

Page 71: ...g down the Front Door 2 Pull out the Transfer Paper Separator Coronas 1134D062AA 1 Swing down the Front Door 2 Clean Image Transfer Corona Wire using the Image Transfer Corona Wire Cleaning Lever 1136D198AA NOTE If the Image Transfer Corona Wire is seriously contam inated dampen a soft cloth with alcohol hold it with a pair of tweezers and wipe the wire gently in one direc tion from the hook end t...

Page 72: ...nt and rear ends of the Unit 4002D149AA 2 Remove the corona wire first at the spring end 4002D150AA 1 Remove the four Paper Guides 4002D151AA 2 Dampen a soft cloth with alcohol hold it with a pair of tweezers and wipe the Paper Separator Corona Wire gently in one direction NOTE Wipe the wire from the hook to spring end 1136D203AA ...

Page 73: ...the front and rear ends of the Unit 4002D149AA 2 Remove the four Paper Guides 4002D151AA 3 Remove the corona wire first at the spring end 4002D150AA 1 Remove the four Paper Guides 2 Remove the End Caps from the front and rear ends of the Unit 3 Remove the corona wire first at the spring end 4 Wipe clean the Housing with a soft cloth 1136D205AA ...

Page 74: ...D 55 11 Cleaning of the Pre Image Transfer Guide Plate 1 Using a soft cloth dampened with alcohol wipe clean the Pre Image Transfer Guide Plate 4002D152AA ...

Page 75: ...e Front Cover hook the tab into position 4002D266AA 3 Remove four harness holders 4 Unplug the connector of the Heater Lamp on the front 5 Remove the Heater Lamp cord from the one edge cover 4002D154AC 6 Remove five harness holders 7 Remove one screw and the Heater Lamp cord 4002D155AB 8 Remove one screw each and the upper and lower lamp holders at the front 4002D156AB ...

Page 76: ...Fusing Roller Heater Lamp harnesses from three edge covers 4002D157AB 13 From the front side slide out the Upper and Lower Fusing Roller Heater Lamps 4002D158AB 14 Unplug one Thermistor connector 15 Remove the Thermistor harness from the harness guide 16 Remove one screw and the cord 4002D159AD 17 Remove two screws and the Harness Guide 4002D160AB 18 Remove two screws and the Upper Cover 4002D161A...

Page 77: ...2D165AA NOTE When reinstalling the Upper Fusing Guide Plate Assy press both ends of the guide plate up against the frame 4002D164AB 22 Remove two screws and the Upper Fusing Guide Plate Assy 4002D163AA 23 Loosen the front roller pressure screw and unhook the upper end of the spring NOTE Repeat the same step for the spring in the rear 4002D166AC ...

Page 78: ...r nately until there is no clearance in the mounting bracket 4002D167AB 24 Remove two screws and the rear holder 4002D168AA 25 Remove two screws and the front holder 4002D169AA 26 Remove two screws and the bracket 4002D170AB NOTE When installing the mounting bracket press its both ends up against the frame 4002D171AB ...

Page 79: ...ling the Pre Fusing Guide Plate make sure that the rear harness is on the inside of the shoul der screw 4002D173AA 29 Remove one E ring two shoulder screws and two gears 4002D174AC 30 Remove two bearings 31 Remove the bushing and Upper Fusing Roller 4002D175AB 32 Remove the bearing and Lower Fusing Roller 4002D176AB ...

Page 80: ...move five Upper Fusing Paper Separator Fingers 4002D177AA 1 Remove the Upper Fusing Guide Plate Assy 2 Using a soft cloth dampened with oil wipe the five Upper Fusing Paper Separator Fingers clean of dirt 4002D178AA 1 Remove the Fusing Unit Front Cover 2 Swing open the Lower Fusing Guide Plate Assy Using a soft cloth dampened with oil wipe the five Lower Fusing Paper Separator Fingers clean of dir...

Page 81: ...ing Roller Thermistor Assy 4002D159AD 4 Remove one screw and the Upper Fusing Roller Thermistor 4002D182AB 1 Remove the Upper Fusing Roller Thermistor Assy 2 Using a soft cloth dampened with oil wipe the Upper Fusing Roller Thermistor clean of dirt 4002D183AA 1 Slide out the Fusing Unit 2 Remove the Fusing Unit Front Cover 3 Remove the Pre Fusing Guide Plate 4 Remove one screw to free the Lower Fu...

Page 82: ...e the Lower Fusing Roller Thermistor Assy 2 Using a soft cloth dampened with oil wipe the Lower Fusing Roller Thermistor clean of dirt 4002D186AA 1 Remove the Harness Guide 2 Remove two screws and the Upper Fusing Roller Thermostat Assy 3 Remove two screws and the Upper Fusing Roller Thermostat 4002D187AA 1 Remove the Upper Fusing Roller Thermostat Assy 2 Using a soft cloth dampened with silicone ...

Page 83: ...eb Roller and Web Take Up Roller NOTES When reinstalling the Web Roller and Web Take Up Roller wind the web around the Web Take Up Roller at least one complete turn Make also sure that the web is not slack off When the Web Roller has been removed clear Web Count of Consumables Counter available from Tech Rep mode 4002D190AB 1 Remove the Web Roller Assy 2 Remove the Web Roller and Web Take Up Rolle...

Page 84: ... Slide out the Fusing Unit 2 Remove one E ring and the gear and bearing 4002D193AC 3 Remove the Misfeed Removal Knob Assy and bushing 4002D194AB 1 Slide out the Fusing Unit 2 Remove one E ring and the Fusing Unit Drive Cou pling Gear 4002D248AC 1 Open the Lower Left Door 2 Using a soft cloth dampened with alcohol wipe clean the Turnover Roller Transport Rollers 4002D195AC ...

Page 85: ...05AA 1136D005AA 1136D001AA 7 PC Drum Paper Separator Finger Positioning Jig 8 Scanner Drive Cable Holding Jig 5 Sleeve Magnet Roller Positioning Jig 6 D B Adjusting Jigs 3 Scanner Positioning Jig Front 4 Scanner Positioning Jig Rear 1 Front Door Interlock Switch Actuating Jig 2 Predrive Inhibit Switch Actuating Jig ...

Page 86: ...ed D 79 Orig Size Adjust D 80 F8 ATDC Sensor D 81 F5 AIDC Sensor D 82 Registration CD 5 0 0 5 mm D 83 Registration FD D 85 Lead Edge Erase 3 0 1 0 mm D 87 Trail Edge Erase D 89 Loop Adjustment Approx 4 0 mm D 91 Erasure Width 3 0 mm D 93 Zoom CD 200 1 0 mm D 95 Zoom FD 300 1 0 mm D 97 Scale CD D 99 Scale FD D 101 ...

Page 87: ...switch and actuator the actuator is bent or the switch can be broken NC Normally Closed Current flows between NC and COM when the actuator is open NO Normally Open Current flows between NC and COM when the actuator is closed COM Common Common contact for NC and NO Blue NC Red COM 1136D008AA Yellow NO Red COM 1136D007AA Wiring for the NO Type Wiring for the NC Type The gap between the switch and ac...

Page 88: ...D197AB 6 If the interlock switch is OFF when the Front Door is closed in position move the interlock switch toward the front 7 If it is impossible to close the Front Door in position because of the interlock switch located excessively to the front move the switch to the rear 4002D198AC 8 After the Interlock Switch is moved tighten two mounting screws 9 Check the Interlock Switch ON OFF by closing ...

Page 89: ... has been loosened 1 Adjustment of the Suction Drive Timing Belt 2 Adjustment of the Developing Unit Drive Timing Belt 1 Remove the Rear Cover 2 Loosen the screw by which the Tension Lever is mounted as shown on the left and then re tighten it 4002D200AB 1 Remove the Rear Cover 2 Remove the Master Board mounting bracket Assy and FlyWheel 3 Remove five screws and the Developing Unit Drive Assy 4002...

Page 90: ...Loosen two screws by which the Tension Lever 2 is mounted as shown on the left and then re tighten it 4002D202AC Tension Lever 2 1 Remove the Rear Upper Cover 2 Loosen three screws on the Scanner Motor mount ing bracket and then re tighten them 4002D203AB ...

Page 91: ...lenoid is ON Adjustment Procedure 1 Remove the Right Cover 2 Remove five screws and the Manual Feed Paper Pick Up Solenoid mounting bracket Assy 4002D090AB 3 Remove two screws and the bracket 4002D206AB 4 Set the Pick Up Solenoid to ON Reference Since a keeper solenoid is used as the Pick Up Sole noid the set condition is kept when the Pick Up Sole noid is on 4002D207AA ...

Page 92: ...ocked NOTES Be careful that the Pick Up Solenoid is canceled from its set condition if moved exces sively If the set condition is canceled set the solenoid to the energized ON position again and repeat steps starting with step 6 7 After the adjustment has been made tighten the two the Pick Up Solenoid mounting screws Check after Adjustment Check that the Paper Stopper is securely locked perpendicu...

Page 93: ...lenoid OFF Adjustment Procedure 3 Move the Retraction Solenoid so that the gap between the E ring of the plunger and the Solenoid is 3 0 2 mm when the Retraction Solenoid OFF 4 After adjustment is completed tighten the two Retraction Solenoid mounting screws 1 Slide out the Fusing Unit 2 Loosen two screws by which the Retraction Sole noid is mounted 4002D210AC 4002D012AA 3 0 2 mm ...

Page 94: ...re 5 Move the Switching Solenoid so that the gap between the E ring of the plunger and the Solenoid is 3 0 2 mm when the Switching Solenoid OFF 6 After adjustment is completed tighten the two Switching Solenoid mounting screws 1 Remove the Left Cover 2 Slide out the Fusing Unit 3 Remove the Left Inner Cover 4 Loosen two screws by which the Switching Sole noid is mounted 4002D211AB 4002D013AA 3 0 2...

Page 95: ...ng Jig to the Developer Unit 1136D053AA 2 With the Separator Finger Solenoid in the deener gized position adjust the position of the three Paper Separator Fingers using an Allen wrench 4002D212AC Adjustment Instructions With the solenoid in the deenergized position the tip of the finger should be at a point between A to B end With the solenoid energized the tip of the finger should touch C 1136D05...

Page 96: ...Solenoid OFF Adjustment Procedure 3 Move the Switching Solenoid so that the gap between the E ring of the plunger and the Solenoid is 3 0 2 mm when the Switching Solenoid OFF 4 After adjustment is completed tighten the two Switching Solenoid mounting screws 1 Remove the Left Cover 2 Loosen two screws by which the Switching Sole noid is mounted 4002D214AC 4002D014AA 3 0 2 mm ...

Page 97: ...ST MODE 1 Accessing the Tech Rep Mode 1 Press the Utility key 2 Touch Meter Count 3 Press the following keys in this order Stop 0 0 Stop 0 1 2 Accessing the Adjust Mode 1 Enter the Tech Rep mode 2 Press the following keys in this order Start Stop ...

Page 98: ...h Rep Choice and System Set in that order 3 Touch Touch Panel Adj 4 With the tip of a pen or similar object touch the four crosses on the screen in sequence NOTES These crosses may be touched in any order but be sure to touch the center of each cross Use care not to damage the screen surface with the tip of the pen 1155D191CA 5 The cross touched changes into a grid marker that consists of a square...

Page 99: ...to the screen 3 Touch I R EDH Check 4 Touch Function I R 5 Touch Orig Size Adjust 6 Press the Start Key to execute Orig Size Adjust NOTE The Start key remains lit up orange while this function is being run and lights up green as soon as the sequence is completed 7 If the adjustment results have been made okay touch Save NOTE If the adjustment results have been NG refer to I O Check List of TROUBLE...

Page 100: ...he Start Key lets the ATDC Sensor Adjustment run automatically Run this function only after the developer has been changed ATDC Sensor replaced While the copier is in the adjustment cycle the Start Key is lit up orange The key turns green as soon as the adjustment cycle is completed 10 Call the Adjust mode to the screen 11 Touch Printer 12 Touch ATDC Control 13 Write down the value for Current in ...

Page 101: ... ATDC Sensor Adjustment Procedure 1 Turn the Power Switch ON 2 Call the Tech Rep mode to the screen 3 Touch Function 4 Touch Printer 5 Touch F5 AIDC Sensor 6 Press the Start Key to let the copier make the F5 AIDC Sensor It will run for about 30 seconds NOTE While the copier is in the adjustment cycle the Start Key is lit up orange The key turns green as soon as the adjustment cycle is completed ...

Page 102: ...source to be checked and adjusted 5 Press the Start Key to let the copier produce a test pattern 6 Check to see if width A on the test pattern is up to the specifications If it is outside the specified range perform the following adjustment steps Specification Adjust Mode Setting Range 5 0 0 5 mm Registration CD 8 2 to 8 2 Width A on the test pattern output should fall within the following range 1...

Page 103: ... the test pattern is up to the specifications If it is outside the specified range change the setting value and make a check again 11 If width A falls within the specified range touch END to validate the setting value 7 Press the Clear key to clear the current setting value 4002D510CB Use to clear the setting value Use to enter the setting value Use to change the or sign 4 7 5 8 0 3 6 9 C 8 Use th...

Page 104: ...ion FD 4 Press the Start Key to let the copier produce a test pattern 5 Check to see if width A on the test pattern is up to the specifications If it is outside the specified range perform the following adjustment steps Specification Adjust Mode Setting Range 5 0 0 5 mm Registration FD 8 2 to 8 2 Width A on the test pattern output should fall within the following range 1155D155AB lead edge ...

Page 105: ... the test pattern is up to the specifications If it is outside the specified range change the setting value and make a check again 10 If width A falls within the specified range touch END to validate the setting value 6 Press the Clear key to clear the current setting value 4002D510CB Use to clear the setting value Use to enter the setting value Use to change the or sign 4 7 5 8 0 3 6 9 C 7 Use th...

Page 106: ...e Start Key to let the copier produce a test pattern 5 Check to see if width A on the test pattern is up to the specifications If it is outside the specified range perform the following adjustment steps Specification Adjust Mode Setting Range 3 0 1 0 mm Lead Edge Erase 0 to 5 Width A on the test pattern output should fall within the following range NOTE The measurement shall be taken at the center...

Page 107: ... pattern 9 Check to see if width A on the test pattern is up to the specifications If it is outside the specified range change the setting value and make a check again 10 If width A falls within the specified range touch END to validate the setting value 6 Press the Clear key to clear the current setting value 4 7 5 8 0 3 6 9 C 4002D519AA Use to clear the setting value Use to enter the setting val...

Page 108: ...e Start Key to let the copier produce a test pattern 5 Check to see if width A on the test pattern is up to the specifications If it is outside the specified range perform the following adjustment steps Specification Adjust Mode Setting Range 3 0 1 0 mm Trail Edge Erase 0 to 5 Width A on the test pattern output should fall within the following range NOTE The measurement shall be taken at the cente...

Page 109: ... pattern 9 Check to see if width A on the test pattern is up to the specifications If it is outside the specified range change the setting value and make a check again 10 If width A falls within the specified range touch END to validate the setting value 6 Press the Clear key to clear the current setting value 4 7 5 8 0 3 6 9 C 4002D519AA Use to clear the setting value Use to enter the setting val...

Page 110: ...rect loop is formed at part A of the location shown below Specification Adjust Mode Setting Range Approx 4 0 mm visual Loop Adjustment 3 to 3 1 Swing down the Front Door and fit the Front Door Interlock Switch Actuating Jig 4002D249AA 2 Remove three screws and the Cover NOTE Do not remove the belt mounting screw on the cover 4002D075AB The loop length is too long causing the paper to have too much...

Page 111: ... back to the Basic screen 12 Press the Start key and check for the loop length again 13 If the loop length falls outside the specified range change the setting value and make a check again 14 Place a sheet of paper on the Multi Bypass Tray 15 Following the same procedures make the loop adjustment for the Multi Bypass Tray 8 Press the Clear key to clear the current setting value 4002D510CB Use to c...

Page 112: ...Rep Choice 4 Touch Erasure Width 7 Touch END to validate the setting value 8 Go back to the Basic screen 9 Set Lead Edge Erase to 0 D 87 NOTE Be sure to record to current setting value 10 Go back to the Basic screen Adjust Mode Setting Range Erasure Width 0 to 5 5 Press the Clear key to clear the current setting value 4 7 5 8 0 3 6 9 C 1 2 4002D519AA Use to clear the setting value Use to enter the...

Page 113: ...rded 11 Place a sheet of A3 or 11 17 paper on the Origi nal Glass and lower the Original Cover 12 Make a copy in the full size 1 000 mode 13 Check to see if a shadow of the Original Scale is produced on the sample copy If no shadow is produced return Lead Edge Erase to the value which has been recorded If a shadow is produced perform the following adjustment steps 4002D215AB 18 Press the Clear key...

Page 114: ...with A4 crosswise or Letter crosswise paper 7 Press the Start key and without any delay press the Stop key to let the copier produce a test pattern 8 Go back to the Basic screen Adjust Mode Setting Range Zoom CD 0 990 to 1 010 9 Place the test pattern on the Original Glass and lower the Original Cover 10 Make a copy in the full size 1 000 mode 4002D269AA 11 Measure width A on the original test pat...

Page 115: ...etting value 17 Touch END to validate the setting value 18 Go back to the Basic screen 19 Perform steps 9 and 10 20 Check for any difference in width A between the original test pattern and the test pattern copy If there is any difference try another setting value for rechecking 15 Press the Clear key to clear the current setting value 4 7 5 8 0 3 6 9 C 1 2 4002D519AA Use to clear the setting valu...

Page 116: ...aded with A4 lengthwise or Letter lengthwise paper 7 Press the Start key and without any delay press the Stop key to let the copier produce a test pattern 8 Go back to the Basic screen Adjust Mode Setting Range Zoom FD 0 990 to 1 010 9 Place the test pattern on the Original Glass and lower the Original Cover 10 Make a copy in the full size 1 000 mode 4002D217AD 11 Measure width A on the original t...

Page 117: ...etting value 17 Touch END to validate the setting value 18 Go back to the Basic screen 19 Perform steps 9 and 10 20 Check for any difference in width A between the original test pattern and the test pattern copy If there is any difference try another setting value for rechecking 15 Press the Clear key to clear the current setting value 4 7 5 8 0 3 6 9 C 1 2 4002D519AA Use to clear the setting valu...

Page 118: ... ratio e g 1 294 Adjust Mode Setting Range Scale CD 10 0 to 10 0 1 Place a scale on the Original Glass so that it runs parallel with the Original Width Scale and its lead ing edge is aligned with the Original Length Scale 4002D270AA 8 Check to see if the leading edge of the scale is reproduced on the full size copy 9 Check to see if the position of the leading edge of the scale reproduced on the e...

Page 119: ...e Basic screen 16 Perform steps 5 through 9 17 Check to see if conditions of steps 8 and 9 are met If the conditions are not met try another setting value for rechecking 18 If the conditions are met return Registration CD and Erasure Width to the values recorded 13 Press the Clear key to clear the current setting value 4002D510CB Use to clear the setting value Use to enter the setting value Use to...

Page 120: ...io e g 1 294 Adjust Mode Setting Range Scale FD 7 0 to 7 0 1 Place a scale on the Original Glass so that it runs parallel with the Original Length Scale and its lead ing edge is aligned with the Original Width Scale 4002D218AC 8 Check to see if the leading edge of the scale is reproduced on the full size copy 9 Check to see if the position of the leading edge of the scale reproduced on the enlarge...

Page 121: ...screen 16 Perform steps 6 through 9 17 Check to see if conditions of steps 8 and 9 are met If the conditions are not met try another setting value for rechecking 18 If the conditions are met return Lead Edge Erase Registration FD and Erasure Width to the values recorded 13 Press the Clear key to clear the current setting value 4002D510CB Use to clear the setting value Use to enter the setting valu...

Page 122: ... Printer 3 Touch Registration CD 4 Select the paper source to be checked and adjusted 5 Press the Start Key to let the copier produce a test pattern 6 Check to see if width A on the test pattern is up to the specifications If it is outside the specified range perform the following adjustment steps Width A on the test pattern output should fall within the following range Specification 5 0 5 mm 1155...

Page 123: ... a test pattern 10 Check to see if width A on the test pattern is up to specifications If the width falls outside the specified range move the Edge Guide as necessary and check again 11 Following the same procedures make the adjustment for all drawers 7 Slide out the drawer used as the paper source for the test pattern and then loosen the seven screws shown on the left 4002D250AA 8 Watching the sc...

Page 124: ...adjustment steps Setting Instructions If width A on the test pattern is greater than the specifications move the Multi Bypass Tray to the rear If width A on the test pattern is smaller than the specifications move the Multi Bypass Tray to the front 9 Press the Start key to let the copier produce a test pattern 10 Check to see if width A on the test pattern is up to specifications If the width fall...

Page 125: ...two mount ing screws NOTE At this time only temporarily tighten these screws 4002D220AB 2 Lightly close the Upper Right Door so that the Set Sensor actuator will not contact the frame 4002D221AA 3 Due to its own weight the front end of the Upper Right Door tends to hang lower Lifting the front end slighting the two mounting screws 4002D222AB 4 Open and close the Upper Right Door two to three times...

Page 126: ...moved from Scanner Drive Cable When the Scanner Drive Cable comes unwound Adjustment Procedure 1 Remove the Original Glass and Rear Upper Cover 2 Move the Scanner so that the Scanner Positioning Screw is aligned with the hole in the upper frame 3 Insert a screwdriver into the hole in the upper frame and loosen the Scanner Positioning Screw so that the Scanner Drive Cables and the Scanner can be mo...

Page 127: ...e between the two 5 Tighten one screw to secure the adjusting plate in position 5 Press the Scanner and the 2nd 3rd Mirrors Car riage Assy tightly up against the Scanner Position ing Jigs 6 Check that there is no clearance between the Scanner and the Scanner Positioning Jig and between the 2nd 3rd Mirrors Carriage Assy and the Scanner Positioning Jig If there is any clearance adjust parallel align...

Page 128: ...s and the Developer Scattering Prevention Plate 4002D224AA 3 Using a brush whisk developer off the surface of the Sleeve Roller 4002D225AA 4 Install the Sleeve Magnet Roller Positioning Jig into the Developer Unit 1136D051AA 5 Loosen three screws that secure the Doctor Blade Insert the D B Adjusting Jigs between the Doctor Blade and Sleeve Roller 6 Press down the Doctor Blade until it positively c...

Page 129: ...ront Door and slide out the Developer Unit 4 Remove three screws and the cover NOTE Do not remove the belt mounting screw on the cover 4002D075AB 5 Connect the Key Counter Socket connector 6 Using one screw and nut secure the counter socket NOTE When the Key Counter Socket is mounted set to ON the Key Counter available from the Security mode 4002D228AB ...

Page 130: ...der the Tech Rep mode and make the Orig Size Adjust ment D 80 1 Remove the Original Glass and EDH Glass 2 Install the Original Size Detecting Sensor 1 Standard for the Except U S A Canada 2 Standard for the Other Areas Except Korea Taiwan 3 Mount the sensor in hole D for Korea and Taiwan Mount it in hole E for areas other than Korea and Taiwan 4002D268AB FD3 2 FD1 1 CD2 2 3 A G ...

Page 131: ...It does not how ever indicate any problematic symptom and can be ignored 1 Rewriting the Master Board Data 1 With the Power Switch in the OFF position unplug the power cord from the power out let 2 Remove the Rear Cover 3 Insert the memory card into the Master Board 4002D229AC 4 Plug the power cord into the power outlet 5 Turn ON the Power Switch 6 This starts the data rewriting sequence NOTE Whil...

Page 132: ... NOTE Do not disconnect the connector of the PH Cooling Fan Motor 5 Remove six screws and the mounting bracket 4002D046AB 6 Insert the memory card into the Image Processing Board 4002D231AB 7 Plug the power cord into the power outlet 8 Holding down the particular numeric key of the 10 Key Pad corresponding to the language in which the data is to be rewritten turn ON the Power Switch NOTE For the s...

Page 133: ...esian Norwegian German Arabic Arabic Swedish Russian Slovenian Japanese Finnish Chinese 1 Japanese Chinese 2 Check Items Downloading Completed is shown The number shown to the left of Language matches that entered from the 10 Key Pad when the Power Switch is turned ON The Check Sum value matches the value given on the memory card 11 If rewriting has been NG as indicated by the Start key lighting u...

Page 134: ...arts the rewriting sequence NOTE D1 on the Master Board remains blinking while data is being rewritten 7 Check that D3 on the ECC Board turns ON 8 If an LED other than D3 turns ON or if it takes longer than 3 min to rewrite the data perform steps 9 and 10 turn OFF the Power Switch and start the procedure over beginning with step 4 4002D540AB 9 Unplug the power cord from the power outlet NOTE At th...

Page 135: ...ord into the power outlet 6 Turn ON the Power Switch 10 Unplug the power cord from the power outlet NOTE Do not turn OFF the Power Switch at this time 11 Remove the memory card 7 Check that a message appears on the Touch Panel indicating that the data has been rewritten correctly Check Items Downloading Completed is shown The number shown to the left of Language matches that entered from the 10 Ke...

Page 136: ...Drum with a new one EPROM contains no data in this case so make entries again of numeric values given on the Adjust Label 1 Remounting EPROM on the Master Board 1 Remove the Master Board 2 Remove EPROM IC101 from the new Master Board 3 Remove EPROM IC101 from old Master Board and remount it onto the new Master Board 4002D529AA NOTE Note the alignment notch A on EPROM IC101 when mounting the IC 400...

Page 137: ...ge Processing Board 2 Remove EPROM IC400 from the new Image Processing Board 3 Remove EPROM IC400 from old Image Processing Board and remount it onto the new Image Processing Board 4002D254AB NOTE Note the alignment notch A on EPROM IC400 when mounting the IC 4002D255AB A ...

Page 138: ...SWITCHES ON PWBs TECH REP SETTINGS ...

Page 139: ......

Page 140: ... Administrator Mode S 15 4 TECH REP MODE S 17 4 1 Tech Rep Mode Menu Screen S 17 4 2 Tech Rep Mode Function Setting Procedure S 17 4 3 Tech Rep Mode Menu Function Tree S 18 4 4 Setting in the Tech Rep Mode S 21 1 Function S 21 2 Tech Rep Choice S 24 3 System Input S 26 4 Counter S 27 5 I O Check S 32 6 I R EDH Check S 32 7 ROM Version S 33 8 RD Mode S 34 9 Level History S 36 10 Admin Mode S 37 11 ...

Page 141: ......

Page 142: ...S 1 1 CONTROL PANEL KEYS AND TOUCH PANEL 1 1 Control Panel Keys 1 2 3 4 5 7 8 9 10 6 11 12 13 14 15 16 17 18 19 20 4002O279EA ...

Page 143: ...ss to show the Mode Check screen 11 Original Key Press to select the Mixed Orig Detec tion and other document related func tions setting screen 12 Job List Key Press to check for the settings made for a job Mode Check modify the settings of a job Change delete a job Delete and unlock a job Unlock 13 Ready Key Lights up to indicate that data can be transferred 14 On Line Key Press to select either ...

Page 144: ...hine status operating instructions and precautions and other data including the number of copies selected and the amount of paper still available for use 3 Basic Function Key Shows the basic function keys and the corresponding functions currently selected for use 4 Set Function Shows graphic representations of the settings currently made for Orig Copy and Fin ishing 5 Sub message Display Shows wha...

Page 145: ... code 4003P201CA 4003P200CA 4003P189CA 4003P601DA Error Display Given when an error occurs E g Paper misfeed door open etc Warning Display Given when only a defective copy will be produced because of erroneous or illegal panel settings E g Unmatched paper size in Auto Paper 4003P185CA Caution Display Given when though further copier opera tion will be possible it could eventually result in a malfu...

Page 146: ...malfunction display S26 Tech Rep Switch Display the Tech Rep mode screen PJ2 Initialize Switch Resets a misfeed malfunction and erratic display TP1 Memory Clear Test Point Clears all data NOTE It does not however clear data of Electronic counters Adjust mode Administrator and RD mode func tions TP3 COM Test Point Ground used for memory clear 4002S001AB PWB S 4002S002AB ...

Page 147: ...s 4 Check that the message Memory Clear Completed is displayed on the Touch Panel and then touch the OK key NOTES If the copier exhibits an erratic display or operation reset and clear in the following order Initialize Memory Clear If Memory Clear has been performed make settings of various functions once again 2 Data Conditions Cleared by Reset Switches Pins Cleared Not cleared Clearing Method Da...

Page 148: ...oller is connected to the machine and Disable Auto Shut off when one is not connected 2 The description of the function is displayed when a Data Terminal is connected to the machine 4003P605CA Job Memory Input Image Memory Input User s Choice 1 6 User s Choice 2 6 User s Choice 3 6 User s Choice 4 6 User s Choice 5 6 User s Choice 6 6 Copy Track Copy Track Data Max Copy Sets Disable Auto Shut off ...

Page 149: ...tings are complete touch the Enter key to validate the settings Exiting the Mode Press the Panel Reset key Touch Panel Display Setting Job Image Men Input Permits programming of various functions including copying jobs Meter Count Displays the counts of various counters User s Choice User s Choice is used to make various settings according to the user s need Administrator Mode The entry of the Adm...

Page 150: ...rity 2in1 4in1 Booklet copy Zoom Density Priority User s Choice 2 6 Default Level Output Priority Intelligent Sorting Criss Cross Mode Small Originals 4in1 Copy Order User s Choice Mode User s Choice 3 6 Date Printing Format Date Printing Position Page Number Position User s Choice 4 6 Confirmation Beep Universal Tray Special Paper User s Choice 5 6 Auto Panel Reset Energy Save Mode Plug in Counte...

Page 151: ...o Size Select the priority Auto mode Auto Paper or Auto Size selected when the Power Switch is turned ON or Panel Reset key pressed Tray Priority Select the priority paper source that is automatically selected when the copier is set into the Auto Size or Manual mode 2in1 4in1 Booklet Copy Zoom Select whether to enable or disable recalling a default zoom ratio when Auto Paper is selected for 2in1 4...

Page 152: ...g on the types of finishing options mounted on the machine Intelligent Sorting Select whether to enable or disable the function that automatically switches between Sort and Non Sort according to the number of orig inals and the number of copy sets to be made Applicable when the system is equipped with a finishing option and using an EDH Criss Cross Mode Select whether to enable or disable crisscro...

Page 153: ...ct the position at which to print the date Page Number Position Set the position at which to print the page number how many millime ters or inches from the bottom of the page Confirmation Beep Select whether to enable or disable the beep that sounds each time a key on the control panel is pressed or a function on the Touch Panel touched Highlighted ON OFF 2 1 3 4 3 1 2 4 Punctuation Year Date Form...

Page 154: ... has been completed or the last key operated Use the 10 Key Pad to set the time Plug In Counter Reset Select whether or not to activate the Panel Reset function when the Plug In Counter or a magnetic card is pulled out Sleep When a Printer Controller is connected Select the time it takes the Sleep function which shuts down the copier when the set period of time elapses after a copy cycle has been ...

Page 155: ...date and time of day for Date Printing Print Exposure Set the image density level for printing Priority Device Select the priority configuration of the copier established when the Power Switch is turned ON or the Panel Reset key pressed Density ADF Adjust the copy image density level when the ADF is being used Priority Offset Tray Select the particular Offset Tray to which priority is given Highli...

Page 156: ...the settings Exiting the Mode Press the Panel Reset key 2 Settings in the Administrator Mode Touch Panel Display Setting The default is Copy Track Select the number of accounts to be controlled NOTE Printer is displayed when an external I F is connected Copy Track Select whether or not to initialize the copy track data so far taken Copy Track Data Select the particular account number When All Coun...

Page 157: ... Setting cannot be changed Total Count Displays the count of the Total Counter It can be cleared with the Clear key NOTE The account number corresponds to the access code ID of that particular account Permission Level Determine the number of copies or copy sets that can be set using the 10 Key Pad Disable Sleep When a Printer Controller is connected Select whether to enable or disable the setting ...

Page 158: ...ce functions 4 1 Tech Rep Mode Menu Screen 4 2 Tech Rep Mode Function Setting Procedure Procedure 1 Press the Utility key 2 Press the Meter Count key 3 Press the following keys in this order Stop 0 0 Stop 0 1 4 Select the desired Tech Rep Mode function Exiting the Mode Press the Panel Reset key 4003P602CA ...

Page 159: ...n Function Limit Touch Panel Adj Smoothing Text Maintenance Call Universal Tray Toner Empty Stop T C Abnormal Fusing C Input T C Auto Recover Controller Type Main Sw notice Printer Time out Warning Level Peripheral Mode Change Fixed Zoom Paper Size Input Marketing Area Orig Size Option Tel Input Hard Disk Paper Maintenance Jam PM Consumables Trouble Tech Rep Mode Function Tech Rep Choice System In...

Page 160: ...m FD Position CD S ADF Mode CD S ADF Mode FD Skew Check 1 Sided 2 Sided Auto size Single Feed Tech Rep Mode I O Check I R EDH Check ROM Version RD Mode Level History Admin Mode Erasure Width ID in Photo Mode Function IR Function EDH I O Check IR I O Check EDH Tech Rep Choice EDH Paper Passage ...

Page 161: ...S 20 Punch Loop Adjust Tech Rep Mode Sensors Port Signals Finisher I O Check ...

Page 162: ...tput This test is for factory adjustment only and should NOT be used F5 AIDC Sensor Adjusts the output level of the AIDC Sensor For details see DIS REASSEMBLY ADJUSTMENT F8 ATDC Sensor Adjusts the output level of the ATDC Sensor For details see DIS REASSEMBLY ADJUSTMENT F12 Test Pattern Outputs the test pattern Procedure 1 Touch Duplex for test pattern output on paper fed from the Duplex Unit 2 Se...

Page 163: ...responding malfunction code Procedure Press the Start key to start the diagnostic sequence I R Mem Prn I R Memory Checks for correct image signal transfer between I R and memory The Touch Panel shows the percentage of processing completed of the diagnostic sequence If the sequence has been completed okay it gives the message of OK if a fault was encountered it gives the message of NG together with...

Page 164: ...sk The Touch Panel shows the percentage of sequence completed If the check has been completed okay it gives the message of OK if a fault was encountered it gives the message of NG together with the corresponding malfunction code Procedure Press the Start key to start the check sequence ECC Check Checks for proper connection of the ECC The Touch Panel shows the percentage of sequence completed If t...

Page 165: ...een NOTE Be sure to touch the exact center of the marking Smoothing Text Select whether to turn ON or OFF the smoothing for function for the Text mode Maintenance Call Select whether to enable or disable the maintenance call reminder M1 message that is displayed when the maintenance counter count reaches the preset value Universal Tray Set the inch size of paper to be used Highlighted F 330 2 mm C...

Page 166: ... END and turn OFF and ON the Power Switch Main Sw notice Select the timing at which the Printer Controller power is turned ON After the setting has been made touch END and turn OFF and ON the Power Switch Printer Time Out Set the timeout period for the printer After the setting has been made touch END and turn OFF and ON the Power Switch Warning Level Select the type of warning display given when ...

Page 167: ...put to validate the new setting Paper Size Input Set the paper size Procedure 1 Select the paper source 2 Select the paper size 3 Touch END to validate the new setting Marketing Area Set the marketing area Original Size Detecting Option Select ON when the optional Original Size Detecting Sensor is mounted Tel Input Enter the telephone number that will appear on the Touch Panel when a malfunction o...

Page 168: ...e size and type Maintenance Set different count values for the Maintenance Counter When the preset count is reached the maintenance call reminder message and maintenance code M1 appear on the Touch Panel NOTE Whether the maintenance call reminder message and maintenance code is given or not depends on the setting made in Tech Rep Choice Procedure 1 Touch Maintenance Set 2 Press the Clear key to cl...

Page 169: ...ds that occurred at the LCT No of misfeeds that occurred at the paper take up upper vertical transport section No of misfeeds that occurred at the paper take up lower vertical transport section No of misfeeds that occurred at the vertical trans port section No of misfeeds that occurred at the paper separa tion section No of misfeeds that occurred at the Fusing Unit No of misfeeds that occurred at ...

Page 170: ... 3 No of sheets of paper fed from the LCT No of sheets of paper fed from the LCT No of times a sheet of paper is fed through No of times a sheet of paper is fed through No of times a sheet of paper is fed through Display Description Developer 1 Developer 2 Others PM Parts 1 Others PM Parts 2 Cleaning 1 Cleaning 2 Cleaning 3 Time over which the PC Drum has turned H the num ber of copies made as cal...

Page 171: ...5 No of copies fed out in the Sort Group mode No of times a sheet of paper is fed through No of times a sheet of paper is fed through Waste Toner Maintenance code M2 Description Maintenance code Machine stop Initial set value 45 cpm Approx 220 k 45 cpm 55 cpm Approx 270 k 55 cpm If the initial set value is changed 45 cpm The set value Approx 20 k 45 cpm Set value 55 cpm The set value Approx 30 k 5...

Page 172: ...ription C0B0X Finisher Transport C0B5X Staple Unit Rotation C0B2X Staple Unit CD direc tion C0B7X Punch C0B3X Finisher Alignment C0B8X Finisher Shift Tray C0B4X Finisher Staple Transport C0BAX Finisher Elevator Tray Malfunction Code Description Malfunction Code Description C0BCX Finisher Fold Unit C1200 3 4 Memory C0E00 Main Erase C12XX Memory Board C0F24 AIDC Sensor C128A B C Load TimeOut C0F3X A...

Page 173: ...of the adjustment made For details see DIS REASSEMBLY ADJUSTMENT Zoom FD Scale Adjusts the zoom ratio and the position of the scale in the FD direc tion and displays the results of the adjustment made For details see DIS REASSEMBLY ADJUSTMENT Scale CD Adjusts the position of the scale in the CD direction and displays the results of the adjustment made For details see DIS REASSEMBLY ADJUSTMENT Malf...

Page 174: ... scan For details see the relevant option service manual S ADF Mode FD Adjusts the scanning position in the FD direction for a single feed scan For details see the relevant option service manual Skew Check Checks the EDH for correct alignment For details see the relevant option service manual I O Check IR Checks the function of sensors I O Check EDH Checks the function of sensors For details see t...

Page 175: ... DT ID TEL No Setting Modem Mail Address Setting e mail DT Setting Maint RAM Clear YES NO e mail Modem CT ID DT ID TEL No Setting Modem Mail Address Setting e mail Initial Transmission Setting Modem DT Setting Billing RAM Clear YES NO ID Code Call Completion Dial Mode Tone Pulse Auto Receive YES NO RD Mode Initial Transmission Setting Modem System Set Billing Center Maint Center Date Time Common D...

Page 176: ...nt Center Displays the various setting screens ID Code Enter the ID code Procedure 1 Touch the ID Code key 2 Enter the ID code from the 10 Key Pad 3 Touch the ID Code key This executes the transmission of MAINT START to the Center DT Setting Displays the setting screens for CT ID DT ID and telephone number The mail address is also displayed if e mail is set for System Set CT ID Enter the ID number...

Page 177: ... the current value of the fusing temperature ATDC Set Displays the voltage set with ATDC Sensor Automatic Adjustment F8 ATDC Current Displays the output voltage of the ATDC Sensor AIDC Fine Set Displays the AIDC Sensor LED control voltage AIDC Coarse Set Displays the load resistance level of the phototransistor used in the AIDC Sensor AIDC Current Displays the output voltage of the AIDC Sensor Vg ...

Page 178: ...ey Pad Data send See User s Choice Telephone num ber of Copy Track on the LAN See User s Choice Touch Panel Display Setting Punch Loop Adj Adjust the loop length for Hole Punch For details see the relevant option service manual I O Check Displays the screens for sensor monitor and port input check Sensors Checks the function of sensors on the paper path For details see the relevant option service ...

Page 179: ...us counters 5 1 Security Mode Menu Screen 5 2 Security Mode Setting Procedure Procedure 1 Show the Tech Rep mode menu screen 2 Press the following keys in this order Stop 9 3 Select the particular function Exiting the Mode Press the Panel Reset key 4003P603CA ...

Page 180: ... Copy Cycles Copy Made No Count 7 A6 A3 B4 11 17 Legal A3 B4 FLS 11 17 Legal A3 11 17 1 Copy per 1 copy cycle Mode 2 Multiple count up according to paper size 1 2 sided copying Mode 3 Multiple count up according to paper size 1 2 sided copying Mode 1 Count up Table 0 No count 1 1 count 2 2 counts 4 4 counts Copying 1 Sided 2 Sided Size Sizes Other than those set Set sizes Sizes Other than those se...

Page 181: ... Setting The default is Vendor Mode Set the initial screen according to the type of vendor mounted on the copier Admin Unit Select the model of the Data Controller mounted on the copier Highlighted Coin Card OFF D102 D103 OFF ...

Page 182: ...ment values has been changed be sure to enter the value in the label affixed to the copier 6 1 Adjust Mode Menu Screen 6 2 Adjust Mode Setting Procedure Procedure 1 Show the Tech Rep mode menu screen 2 Press the following keys in this order Stop Start 3 Select the desired function Exiting the Mode Press the Panel Reset key 4003P604CA ...

Page 183: ...ensity ATDC Control Separator Charge LD Bias Leading Edge Erase Trailing Edge Erase Loop Adjustment Vg adjust Zoom CD Zoom FD Manual Scale FD Scale CD Zoom FD EDH Feed 2 Feed FD Feed CD S ADF Feed FD S ADF Feed CD Regist Loop 1 Regist Loop 2 Feed Position Printer Adjust Mode Image Reader EDH ...

Page 184: ... of Print Exposure of User s Choice ATDC Control Current Displays the current ATDC control voltage Set Displays the set value entered If a spare Developing Unit is to be used input the F8 adjustment value for that particular Developing Unit Procedure 1 Clear the Set value using the Clear key 2 Enter the F8 value of the Developing Unit to be used from the 10 Key Pad Separator Charge Adjust the outp...

Page 185: ...Set the correction value for the start of scan position of the original in the FD direction with respect to the Original Width Scale position Scale CD Set the correction value for the start of scan position of the original in the CD direction with respect to the Original Length Scale position Zoom FD EDH Set the correction value for the zoom ratio in the FD direction when the EDH is used Feed 2 Se...

Page 186: ...ADF Feed CD Set the correction value for the original scanning position in the CD direction in the single feed mode Regist Loop 1 Set the length of the loop formed in the 1 sided original before the Registration Roller of the EDH Regist Loop 2 Set the length of the loop formed in the 2 sided original before the Registration Roller of the EDH Feed Position Set the target stop position of the Scanne...

Page 187: ......

Page 188: ...TROUBLESHOOTING 13430 ...

Page 189: ......

Page 190: ... Motor s failure to turn T 37 3 C0042 Fusing Unit Cooling Fan Motor s failure to turn T 38 4 C0045 IR Cooling Fan Motor malfunction C0046 PH Cooling Fan Motor 1 malfunction C0047 PH Cooling Fan Motor 2 malfunction T 39 5 C0049 Paper source option Vertical Transport Cooling Fan Motor malfunction T 41 6 C004E Power Supply Unit Cooling Fan Motor 1 s failure to turn C004F Power Supply Unit Cooling Fan...

Page 191: ...TDC Sensor malfunction C0F33 Abnormally low T C as detected by ATDC Sensor T 66 21 C10XX to C18XX T 67 22 Copier does not turn ON T 69 5 IMAGE FAILURE T 71 5 1 Image Failure Troubleshooting T 71 5 2 Initial Checks T 71 5 3 Troubleshooting Procedures Classified by Image Failure T 72 1 Blank copy T 73 2 Black copy T 73 3 Low image density T 74 4 Foggy background T 74 5 High image density T 74 6 Blac...

Page 192: ... the controlled part which is probably defective 2 Select I O Check from the Tech Rep Mode menu screen and access the screen that contains the controlled part picked out in step 1 above See SWITCHES ON PWBs TECH REP MODE 3 Check the input port data to determine if a signal is properly input to the controlled part Controlled Part Check Procedure Through Checking Input Port Data Example When a paper...

Page 193: ...riginal present Original not present PJ6B 14 PC55 Orig Size S4 Original Size Detect ing Sensor FD3 Original present Original not present PJ7B 10 PC55 Orig Size S5 Original Size Detect ing Sensor FD3 Original present Original not present PJ7B 10 PC56 Orig Size S6 Original Size Detect ing Sensor CD1 Original present Original not present PJ6B 9 PC56 Orig Size S7 Original Size Detect ing Sensor CD1 Or...

Page 194: ...t data shown does not necessarily rep resent the actual one Printer 4002T004CA 4002T005CB Previous Screen Next Screen Previous Screen Next Screen 4002T009CA 4002T006CA Previous Screen Next Screen Previous Screen Next Screen 4002T008CA 4002T007CB Previous Screen Next Screen ...

Page 195: ...ding Edge Sensor SW2 Paper present Paper not present IC3 PI5 PJ3A 3B PC13 Lift up Pulse 2nd Drawer Lift Up Motor Pulse Sensor Blocked Unblocked IC3 PI1 PJ3A 11B PC18 Manual Feed Empty Manual Feed Paper Empty Sensor Paper present Paper not present IC3 PK7 PJ2A 3 PC121 3rd Drawer PF 208 Set 3rd Drawer Set Sensor In position Out of position Control Board PWB A IC1 PB3 PJ5A 6B PC117 Take up 3rd Drawer...

Page 196: ... Paper Empty Sen sor Paper present Paper not present IC1 PC1 PJ2A 8B PC115 LCC1 PF 115 Raised Position 3rd Drawer Paper Lift Up Sensor At raised position Not at raised position Control Board PWB A IC1 PD4 PJ8A 2 PC139 Low ered Position Elevator Lower Position Sensor At lowered position Not at low ered posi tion IC1 PD0 PJ7A 9A PC117 Take up 3rd Drawer Paper Take Up Sensor Paper present Paper not p...

Page 197: ... Sensor At home Not at home IC3 PK6 PJ11A 5A S21 Doors Front Front Door Interlock Switch When opened When closed IC3 PA0 PJ6A 1 PC114 Take up Lower Paper Take Up Door Sensor When opened When closed Control Board PWB A IC1 PD5 PJ9A 2 PC29 Take up Upper Upper Right Door Set Sensor When opened When closed Master Board PWB A IC3 PA1 PJ11A 8 S22 Exit Upper Left Door Interlock Switch When opened When cl...

Page 198: ... Feed Jam Sensor Paper present Paper not present IC3 PA7 PJ8A 6 PC27 Exit Reverse Remain S2 Turnover Exit Sen sor Paper present Paper not present IC3 PA4 PJ8A 3 PC132 Horiz Remain S1 Horizontal Trans port Entry Sensor Paper present Paper not present Control Board PWB A IC1 PG0 PJ12A 6 PC133 Horiz Remain S2 Horizontal Trans port Jam Sensor Paper present Paper not present IC1 PE6 PJ12A 3 PC134 Horiz...

Page 199: ...ier Fusing Unit 4 8 Copier separator 3 9 Copier transport 3 10 Multi Bypass take up take up vertical transport upper right section of copier 2 11 Take up vertical transport lower right section of copier 1 12 1st Drawer 1 13 2nd Drawer 1 14 3rd Drawer LCC 5 6 15 4th Drawer 5 16 Duplex horizontal transport 7 17 Exit turnover 7 18 Duplex turnover storage 7 Misfeed in the copier Open the appropriate d...

Page 200: ...Paper Take Up Sensor PC4 Horizontal Transport Exit Sensor PC134 Paper Leading Edge Sensor 3 PC113 Paper Leading Edge Sensor 4 PC118 3rd Drawer Paper Take Up Sensor PC117 Horizontal Transport Jam Sensor PC133 1st Drawer Paper Take Up Sensor PC3 Paper Leading Edge Sensor SW2 PC6 Horizontal Transport Entry Sensor PC132 4002T510AA Paper Leading Edge Sen sor 3 PC113 Horizontal Transport Jam Sensor PC13...

Page 201: ... L Paper take up trailing edge detection 1st Drawer Paper Take Up Sensor L 1st Drawer Paper Take Up Sensor T 2nd Drawer Paper Take Up Sensor L 2nd Drawer Paper Take Up Sensor T Type Detection Start Detection Bypass paper take up failure detection Upper Vertical Transport Manual Feed Motor ener gized Transport Roller Sensor L Type Detection Start Detection Leading edge detection by Syn chronizing R...

Page 202: ...eed Entry Sen sor L Turnover Exit Sensor L Leading edge detection by Duplex Unit Turnover Entry Sen sor Turnover Exit Sensor L Duplex Unit Turnover Entry Sensor L Trailing edge detection by Duplex Unit Turnover Entry Sensor Turnover Exit Sensor T Duplex Unit Turnover Entry Sensor T Leading edge detection by Hori zontal Transport Entry Sensor Duplex Unit Turnover Entry Sensor T Horizontal Transport...

Page 203: ...Vertical Transport Manual Feed Motor M6 Lower Vertical Transport Motor M7 Master Board PWB A PJ5 PC5 3 2 1 PJ3 PC3 3 2 1 PJ6 PC6 3 2 1 PJ4 PC4 3 2 1 M4 PJ104 1 2 3 M5 PJ105 1 2 3 M6 PJ106 1 2 3 M7 PJ107 1 2 3 PJ3A 1A DC5V PJ3A 2A GND PJ3A 3A PC5 ON PJ3A 4A DC5V PJ3A 5A GND PJ3A 6A PC3 ON PJ3A 1B DC5V PJ3A 2B GND PJ3A 3B PC6 ON PJ3A 4B DC5V PJ3A 5B GND PJ3A 6B PC4 ON PJ5A 1A 1U PJ5A 2A 1V PJ5A 3A 1...

Page 204: ... with paper dust deformed or worn YES Clean or change 5 Paper Lifting Plate is dirty or deformed YES Clean or change 6 Paper Separator Pad is dirty with paper dust deformed or worn YES Clean or change 7 Paper take up guide plate is dirty or deformed YES Clean or change 8 1st Drawer Paper Take Up Motor turns when the Start key is pressed with the 1st Drawer selected NO Correct drive coupling Change...

Page 205: ... the sensor is blocked YES Change Master Board NO Correct actuator Change sensor 5 I O check for Paper Leading Edge Sensor SW1 operation when the 1st Drawer is used the volt age across PJ3A 3A on Master Board and GND is DC0V when the sensor is unblocked and DC5V when the sensor is blocked YES Change Master Board NO Correct actuator Change sensor 6 I O check for Paper Leading Edge Sensor SW2 operat...

Page 206: ... Feed Motor M6 Manual Feed Paper Pick Up Solenoid SL5 Master Board PWB A PJ18 PC18 3 2 1 PJ2A 1 DC5V PJ2A 2 GND PJ2A 3 PC18 ON PJ2A 4 DC24V PJ2A 5 SL5 ON PJ2A 6 SL5 OFF PJ4A 11A DC5V PJ4A 12A GND PJ4A 13A PC2 ON PJ5A 7A 1U PJ5A 8A 1V PJ5A 9A 1W PWB A 3 2 1 1 2 3 CN29 SL5 CN205 1 2 3 1 2 3 4 3 2 1 2 3 PC2 CN19 1 4 M6 PJ106 1 2 3 PJ2 3 2 1 4002C02TAA ...

Page 207: ...s Take Up Roll is dirty with paper dust deformed or worn YES Clean or change 5 Upper Vertical Transport Manual Feed Motor turns when the Start key is pressed with the Multi Bypass Tray selected NO Correct drive coupling Change motor or Master Board Step Check Result Action 1 Manual Feed Paper Pick Up Solenoid opera tion when the Start key is pressed with paper loaded in the Multi Bypass Tray the v...

Page 208: ...oid SL4 Master Board PWB A PJ2 PC2 3 2 1 4 3 1 2 2 3 CN19 1 4 PJ1 PC1 3 2 1 3 2 1 1 2 3 CN20 M8 PJ108 1 2 3 M9 PJ109 1 2 3 SL4 M17 2 1 1 2 CN204 1 2 CN117 3 4 1 2 3 4 7 8 7 8 1 1 24 24 GND DC24V PWB A PJ4A 11A DC5V PJ4A 12A GND PJ4A 13A PC2 ON PJ4A 1B DC5V PJ4A 2B GND PJ4A 3B PC1 ON PJ5A 4B U PJ5A 5B V PJ5A 6B W PJ5A 7B U PJ5A 8B V PJ5A 9B W PJ7A 3B DC24V PJ7A 4B SL4 REM PJ13A 1B LOCK PJ13A 2B H L...

Page 209: ...Change motor or Master Board Step Check Result Action 1 Image Transfer Entrance Guide Plate is dirty with paper dust deformed or worn YES Clean or change 2 Image Transfer Paper Separator Corona wires are dirty or deteriorated YES Clean or change 3 Paper guide above Paper Separator Corona is dirty or deformed YES Clean or change Step Check Result Action 1 PC Drum Paper Separator Fingers are dirty o...

Page 210: ...port Rollers Step Check Result Action 1 Transport Rollers are dirty with paper dust deformed or worn YES Clean or change 2 Transport Roller Motor turns when the Start key is pressed NO Correct drive coupling Change motor or Master Board ...

Page 211: ...using Motor turns when the Start key is pressed NO Correct drive coupling Change motor or Master Board Step Check Result Action 1 Exit Roller is dirty or scratched YES Clean or change 2 I O check for Paper Exit Sensor the voltage across PJ9A 3A on Master Board and GND is DC0V when the sensor is unblocked and DC5V when the sensor is blocked YES Change Master Board NO Correct actuator Change sensor ...

Page 212: ... PWB A M121 PJ101 3 2 1 M122 PJ102 3 2 1 M123 PJ103 3 2 1 PJ3A 3 W PJ3A 2 V PJ3A 1 U PJ3A 6 W PJ3A 5 V PJ3A 4 U PJ4A 1 U PJ4A 2 V PJ4A 3 W PJ12 PC125 3 2 1 PJ2 PC113 3 2 1 PJ3 PC118 3 2 1 PJ4 PC117 3 2 1 PJ35A 1A GND PJ35A 2A PC125 ON PJ35A 3A DC5V PJ9A 4 GND PJ9A 5 PC113 ON PJ9A 6 DC5V PJ9A 7 GND PJ9A 8 PC118 ON PJ9A 9 DC5V PJ9A 10 GND PJ9A 11 PC117 ON PJ9A 12 DC5V PWB A PF 208 1 2 CN13 3 4 1 2 3...

Page 213: ...ge 5 Paper Separator Pad is dirty with paper dust deformed or worn YES Clean or change 6 Paper take up guide plate is dirty or deformed YES Clean or change 7 Paper Take Up Roll and Separator Roll are dirty with paper dust deformed or worn YES Clean or change 8 3rd Drawer Paper Take Up Motor turns when the Start key is pressed with the 3rd Drawer selected NO Correct drive coupling Change motor or C...

Page 214: ...ter Board NO Correct actuator Change sensor 5 I O check for 4th Drawer Paper Take Up Sensor operation when the 4th Drawer is used the volt age across PJ5A 2A on Control Board and GND is DC5V when the sensor is unblocked and DC0V when the sensor is blocked YES Change Control Board or Master Board NO Correct actuator Change sensor 6 I O check for Paper Leading Edge Sensor 3 operation when the 3rd Dr...

Page 215: ...115 Master Board PWB A M121 PJ101 3 2 1 M122 PJ102 3 2 1 PJ3A 3 W PJ3A 2 V PJ3A 1 U PJ3A 6 W PJ3A 5 V PJ3A 4 U PWB A PF 115 PJ2 PC113 3 2 1 PJ3 PC118 3 2 1 PJ4 PC117 3 2 PJ9A 7 GND PJ9A 8 PC118 ON PJ9A 9 DC5V PJ9A 10 GND PJ9A 11 PC117 ON PJ9A 12 DC5V PJ9A 4 GND PJ9A 5 PC113 ON PJ9A 6 DC5V PJ2A 1 DC5V1 PJ2A 2 OUT PJ2A 3 IN PJ2A 4 DC5V1 PJ2A 5 ACHE 1 1 2 CN13 3 4 1 2 3 4 5 6 7 5 6 7 PWB A PJ13A 6A D...

Page 216: ... Change Master Board Step Check Result Action 1 Vertical Transport Rollers are dirty with paper dust deformed or worn YES Clean or change 2 Paper take up guide plate or vertical transport guide plate is dirty or deformed YES Clean correct or change 3 Vertical Transport Motor turns when the Start key is pressed with the cabinet selected NO Correct drive coupling Change motor or Control Board Change...

Page 217: ...N110 4 4 3 2 1 SL6 1 2 1 2 CN206 1 2 3 CN22 4 7 6 5 4 7 1 PWB A PJ8A 1 DC5V PJ8A 2 GND PJ8A 3 PC27 ON PJ8A 4 DC5V PJ8A 5 GND PJ8A 6 PC8 ON PJ8A 7 DC5V PJ8A 8 GND PJ8A 9 PC7 ON PJ8A 10 DC24V PJ8A 11 SL1 REM PJ8A 12 A PJ8A 13 B PJ8A 14 A PJ8A 15 B PJ9A 3B DC24V PJ9A 4B SL6 REM PWB A Cabinet M121 PJ101 1 2 3 PJ21 1 2 3 PC131 PJ20 1 2 3 PC112 1 2 3 CN5 4 5 6 6 5 4 3 2 1 2 1 CN7 1 2 1 2 3 CN6 4 4 3 2 1...

Page 218: ...ct actuator Change sensor 5 I O check for Turnover Feed Jam Sensor oper ation the voltage across PJ8A 6 on Master Board and GND is DC0V when the sensor is unblocked and DC5V when the sensor is blocked YES Change Master Board NO Correct actuator Change sensor 6 I O check for Turnover Exit Sensor operation the voltage across PJ8A 3 on Master Board and GND is DC0V when the sensor is unblocked and DC5...

Page 219: ...ange sensor 4 I O check for Horizontal Transport Jam Sensor operation the voltage across PJ12A 3 on Con trol Board and GND is DC5V when the sensor is unblocked and DC0V when the sensor is blocked YES Change Control Board or Master Board NO Correct actuator Change sensor 5 I O check for Horizontal Transport Exit Sensor operation the voltage across PJ12A 4 on Con trol Board and GND is DC5V when the ...

Page 220: ...r a continuous period of 1 5 sec or more after the lapse of 10 sec after the motor has stopped turning C0040 Suction Fan Motor s fail ure to turn The Lock signal remains HIGH for a continuous period of 1 5 sec or more after the lapse of 10 sec after the motor has started turning at high speed C0042 Fusing Unit Cooling Fan Motor s failure to turn The Lock signal remains HIGH for a continuous period...

Page 221: ...osition Sensor is HIGH 2 sec after the motor has stopped turning C0090 Developing Unit Drive Motor s failure to turn The Lock signal remains HIGH for a continuous period of 1 5 sec or more after the lapse of 10 sec after the motor has started turning The Lock signal remains LOW for a continuous period of 1 5 sec or more after the lapse of 10 sec after the motor has stopped turning C0210 Image Tran...

Page 222: ...erature of the Upper Using Roller remains 215 C or more for a continuous period of 2 sec or more after the copier has completed warm ing up The surface temperature of the Lower Using Roller remains 200 C or more for a continuous period of 2 sec or more after the copier has completed warm ing up C0602 Cable unwound A Scanner drive command is issued when the Scan ner is at its home position and the ...

Page 223: ... the lapse of 5 sec after the 1st Drawer Paper Lift Up Motor has started turning The 1st Drawer Paper Lift Up Sensor is not activated even when the 1st Drawer Paper Lift Up Motor Pulse Sensor detects 150 edges of rotation detection pulses after the 1st Drawer Paper Lift Up Motor has started turning C0924 1st Drawer Lift Up Motor s failure to turn The 1st Drawer Paper Lift Up Motor Pulse Sensor det...

Page 224: ...31 C0B34 C0B35 C0B36 C0B38 C0B48 Neat copy stack trans port mechanism mal function C0B49 Copy stack transport mechanism malfunction C0B4A C0B4B C0B4D C0B4E C0B4F C0B50 Stapling drive system C0B51 C0B54 C0B73 Hole Punch mechanism malfunction C0B74 C0B78 Hole Punch mechanism malfunction C0B80 Shifting mechanism mal function C0BA0 Elevator mechanism mal function C0BA1 C0BA2 Code Description Detection...

Page 225: ...er the Developing Unit Drive Motor has been energized The output voltage from the ATDC Sensor does not fall within the range of 2 45V to 2 55V during an F8 operation C0F33 Abnormally low T C as detected by ATDC Sen sor A T C of 2 5 or less ATDC Sensor output being 2 86V or more is detected C10XX C11XX C12XX Memory Board failure C12CX Hard Disk Drive failure C1300 Polygon Motor malfunc tion No Lock...

Page 226: ... adjustment failure C13F7 Sub scanning direction beam position adjustment failure C13F8 Main scanning direction beam position adjustment failure C13F9 EPROM communications error C13FA LD2 out of correction range C13FC APC failure C1401 IR main routine timeout C1402 IR illegal interrupt vector occurred C1410 IR watchdog C1426 Report retransmitted C1428 Transmission buffer full C1429 Reception buffe...

Page 227: ...Board and GND is DC5V motor deenergized and DC0V motor ener gized when the Start key is pressed YES Change Master Board NO Change motor Step Check Result Action 1 PC Drum Drive Motor turns when the Start key is pressed NO Correct drive coupling 2 PC Drum Drive Motor rotation the voltage across PJ7A 3A on Master Board and GND is DC5V motor deenergized and DC0V motor energized when the Start key is ...

Page 228: ...er the malfunction has been reset YES Change Master Board NO Change motor Step Check Result Action 1 Ventilation Fan Motor rotation the voltage across PJ9A 7B on Master Board and GND is DC24V when the Start key is pressed NO Change Master Board 2 Ventilation Fan Motor rotation the voltage across PJ9A 5B on Master Board and GND is DC0V when the Start key is pressed YES Change Master Board NO Check ...

Page 229: ...rd and GND is DC24V during high speed rotation and DC16V during low speed rota tion after the malfunction has been reset NO Change Power Supply Board 2 Fusing Unit Cooling Fan Motor rotation the voltage across PJ13C 3 on Power Supply Board and GND is DC5V after the malfunction has been reset YES Change Master Board NO Check motor for installa tion Change motor M23 CN123 1 2 3 3 2 1 CN30 1 9 11 3 1...

Page 230: ... Relevant Electrical Parts PH Cooling Fan Motor 2 M19 PH Cooling Fan Motor 1 M22 IR Cooling Fan Motor M52 SCP Board PWB IC 3 2 1 1 2 3 CN122 PWB IC M22 3 2 1 1 2 3 CN152 M52 3 2 1 1 2 3 CN119 M19 PJ4IC 1 DC24V PJ4IC 2 GND PJ4IC 3 M22 LD PJ4IC 4 DC24V PJ4IC 5 GND PJ4IC 6 M52 LD PJ4IC 7 DC24V PJ4IC 8 GND PJ4IC 9 M19 LD 4002C10TAA ...

Page 231: ... 1 rotation the voltage across PJ4IC 1 on Master Board and GND is DC24V after the malfunction has been reset NO Change SCP Board 2 PH Cooling Fan Motor 1 rotation the voltage across PJ4IC 3 on Master Board and GND is DC0V after the malfunction has been reset YES Change SCP Board NO Check motor for installa tion Change motor Step Check Result Action 1 PH Cooling Fan Motor 2 rotation the voltage acr...

Page 232: ...ation the voltage across PJ14A 1 on Power Supply Board and GND is DC24V after the malfunction has been reset NO Change Control Board 2 Vertical Transport Cooling Fan Motor rotation the voltage across PJ14A 3 on Power Supply Board and GND is DC0V after the malfunction has been reset YES Change Control Board NO Check motor for installa tion Change motor PJ14A 3 M132 LOCK PJ14A 2 GND PJ14A 1 DC24V PW...

Page 233: ...pply Unit Cooling Fan Motor 1 rota tion the voltage across PJ3C 1 on Power Sup ply Board and GND is DC24V after the malfunction has been reset NO Change Power Supply Board 2 Power Supply Unit Cooling Fan Motor 1 rota tion the voltage across PJ3C 3 on Power Sup ply Board and GND is DC5V after the malfunction has been reset YES Check motor for installa tion Change motor NO Change Power Supply Board ...

Page 234: ...Power Supply Board and GND is DC24V after the malfunction has been reset NO Change Master Board 2 Power Supply Unit Cooling Fan Motor 2 rota tion the voltage across PJ6A 13 on Power Supply Board and GND is DC5V after the mal function has been reset YES Check motor for installa tion Change motor NO Change Master Board ...

Page 235: ...ping Unit Drive Motor M1 Main Hopper Toner Replenishing Motor M13 Sub Hopper Toner Replenishing Motor M14 Master Board PWB A M1 PJ101 3 2 1 PWB A 4 GND DC24V M14 2 1 1 2 CN114 3 3 4 1 1 24 24 CN10 2 2 4 2 1 1 2 CN113 3 2 1 1 2 3 CN37 PJ21 PC21 3 2 1 M13 PJ7A 7A M1 LOCK PJ7A 6A M1 START PJ7A 1B DC24V PJ7A 2B M14 ON PJ11A 1 M13 PJ11A 2 M13 PJ11A 3 DC5V PJ11A 4 GND PJ11A 5 PC21 HOME 4002C11TAA ...

Page 236: ...plenishing Motor rota tion the voltage across PJ11A 1 on Master Board and GND is DC0V Toner Bottle at a stop and DC24V Toner Bottle turning when step 1 is performed YES Change motor NO Change Master Board Step Check Result Action 1 Developing Unit Drive Motor rotation the volt age across PJ7A 7A on Master Board and GND is DC5V motor deenergized and DC0V motor energized when the Start key is presse...

Page 237: ...nstalled properly NO Correct installed position 2 The Image Transfer Paper Separator Coronas wires are dirty or have snapped YES Clean or change 3 The malfunction code appears even with PJ2HV1 unplugged YES Change Master Board NO Change the HV PWB A HV1 PJ2HV1 8 7 6 5 4 3 2 1 2 1 PJ12A 4B SCD PJ12A 5B Sep BIAS PJ12A 6B Sep REM PJ12A 7B Tra REM PJ12A 8B Dev BIAS PJ12A 9B Dev REM PJ12A 10B GRID PJ12...

Page 238: ...run YES Check the optical path Change Image Process ing Board or CCD Board 3 Power Supply Board operation the voltage across PJ9C 4 on Power Supply Board and GND is DC24V after the malfunction has been reset YES Check and change as necessary flat cable Change Inverter Board or Image Processing Board NO Change Power Supply Board FL51 UN51 CN2UN51 1 CN2UN51 2 F1 CN1UN51 1 CN1UN51 2 CN1UN51 3 PJ1IF 4...

Page 239: ...using Roller Thermistor TH2 Upper Fusing Roller Thermostat TS1 DC Power Supply Main PU1 Master Board PWB A TH2 4 3 1 2 2 3 CN217 1 4 TH1 4 3 1 2 2 3 CN218 1 4 TS1 H1 H2 1 1 CN212 1 1 CN211 1 CN210 1 3 4 3 4 5 5 6 6 7 7 8 8 9 9 1 1 2 2 16 15 14 13 12 11 10 CN11 16 15 14 13 12 11 10 PU1 PWB A PJ7A 13A GND PJ7A 12A TH2 PJ7A 11A TH2 REM PJ7A 10A GND PJ7A 9A TH1 PJ7A 8A TH1 REM CN3 1 HIL CN3 4 HIN CN14...

Page 240: ...ler Thermistors are dirty NO Clean 5 Upper Fusing Roller Thermistor operation the resistance across CN217 2 and 3 on the Fus ing Unit end is infinity with CN217 4P discon nected YES Change Upper Fusing Roller Thermistor 6 Lower Fusing Roller Thermistor operation the resistance across CN218 2 and 3 on the Fus ing Unit end is infinity with CN218 4P discon nected YES Change Lower Fusing Roller Thermi...

Page 241: ...pply Main 2 Upper and Lower Fusing Roller Thermistors are installed properly NO Reinstall 3 Upper and Lower Fusing Roller Thermistors are dirty NO Clean 4 Upper Fusing Roller Thermistor operation the resistance across CN217 2 and 3 on the Fus ing Unit end is infinity with CN217 4P discon nected YES Change Upper Fusing Roller Thermistor 5 Lower Fusing Roller Thermistor operation the resistance acro...

Page 242: ...evant Electrical Parts Scanner Motor M51 Scanner Reference Position Sensor PC51 Image Processing Board PWB B SCP Board PWB IC PJ51 PC51 PWB IC PJ3IC 1 U PJ3IC 2 V PJ3IC 3 W 1 2 3 1 2 3 PJ306B 11 DC5V PJ306B 9 PC51 ON PJ306B 10 GND PWB B M51 PJ151 4002C14TAB ...

Page 243: ... is con nected properly PJ306B on PWB B NO Connect 5 I O check for Scanner Reference Position Sen sor YES Change Image Process ing Board NO Correct actuator Change sensor Step Check Result Action 1 Scanner moves as moved manually NO Correct drive coupling Rewind cables 2 Connector on Image Processing Board is con nected properly PJ306B on PWB B NO Connect 3 Light Blocking Plate is installed proper...

Page 244: ...Pulse Sensor PC12 1st Drawer Paper Lift Up Sensor PC14 1st Drawer Lift Up Motor M11 Master Board PWB A PJ10 PC10 3 2 1 PJ12 CN25 PC12 3 2 1 1 2 3 3 2 1 PJ11 PC11 3 2 1 PJ13 CN28 PC13 3 2 1 1 2 3 3 2 1 PJ14 PC14 3 2 1 PJ15 PC15 3 2 1 PJ3A 7A DC5V PJ3A 8A GND PJ3A 9A PC10 ON PJ3A 10A GND PJ3A 11A PC12 ON PJ3A 12A DC5V PJ3A 13A M11 PJ3A 14A M12 PJ3A 7B DC5V PJ3A 8B GND PJ3A 9B PC11 ON PJ3A 10B GND PJ...

Page 245: ...B on Master Board and GND is DC0V sensor unblocked and DC5V sensor blocked YES Change Master Board NO Change sensor Step Check Result Action 1 Lift Up Motor turns when the 1st Drawer is slid out and then back in NO Correct drive coupling 2 1st Drawer Lift Up Motor rotation the voltage across PJ3A 13A on Master Board and GND is DC0V motor deenergized and DC24V motor energized after the 1st Drawer h...

Page 246: ...Set Sensor PC122 4th Drawer Lift Up Motor Pulse Sensor PC124 4th Drawer Paper Lift Up Motor M125 Control Board PWB A PF 208 PJ10 CN10 PC124 3 2 1 1 2 3 3 2 1 PJ9 PC122 3 2 1 M125 PJ11 1 2 M124 PJ8 1 2 PJ7 PC121 1 2 3 PJ6 PC123 1 2 3 CN11 3 2 1 1 2 3 PJ19 PC119 3 2 1 PJ15 PC115 3 2 1 1 2 4 3 CN16 6 1 6 5 1 2 4 3 CN15 6 1 6 5 PWB A PJ5A 4A GND PJ5A 5A PC124 ON PJ5A 6A DC5V PJ5A 7A GND PJ5A 8A PC122 ...

Page 247: ...on Control Board and GND is DC0V sensor unblocked and DC5V sensor blocked YES Change Control Board NO Change sensor Step Check Result Action 1 Lift Up Motor turns when the 4th Drawer is slid out and then back in NO Correct drive coupling 2 4th Drawer Paper Lift Up Motor rotation the voltage across PJ5A 1B on Control Board and GND is DC0V motor deenergized and DC24V motor energized after the 4th Dr...

Page 248: ...tor Pulse Sensor PC142 Elevator Motor M126 Cabinet Transport Board PWB H Control Board PWB A PF 115 PJ26 PC137 1 2 3 PJ29 PC142 1 2 3 PJ33 PC139 1 2 3 M126 PJ38 1 2 PJ15 PC115 3 2 1 PJ16 PC116 3 2 1 GND DC5V 1 2 4 3 CN15 6 5 4 5 1 6 3 2 PJ2H 2A PJ2H 5A PJ2H 9A PJ2H 6B PJ2H 7B PJ1H 10A PJ1H 7A PJ1H 3A PJ1H 6B PJ1H 5B PJ7A 2A PC137 ON PJ7A 5A PC142 ON PJ7A 9A PC139 ON PJ7A 6B PJ7A 7B PJ8A 1 GND PJ8A...

Page 249: ...D is DC5V sensor unblocked and DC0V sensor blocked YES Change Control Board NO Correct actuator Change sensor or Cabinet Trans port Board Change flat cable Step Check Result Action 1 Elevator Motor turns when the Paper Descent key is pressed NO Correct drive coupling 2 Elevator Motor rotation the voltage across PJ7A 6B ascent PJ7A 7B descent on Con trol Board and GND is DC0V motor deener gized and...

Page 250: ...ft Gate Motor M128 3rd Drawer Lock Solenoid SL112 Cabinet Transport Board PWB H Control Board PWB A PF 115 PJ35 PC136 1 2 3 PJ17 PC144 3 2 1 M128 PJ36 1 2 PJ18 1 2 3 SL112 GND DC5V PJ2H 1B PJ2H 2B PJ2H 3B PJ1H 11B PJ1H 10B PJ1H 9B PWB A PF 115 PWB H PJ7A 1B PC136 ON PJ7A 2B PJ7A 3B PJ10A 2 GND PJ10A 3 PC144 ON PJ10A 4 DC5V PJ10A 5 DC24V PJ10A 6 SL112 ON 4002C18TAA ...

Page 251: ...e across PJ7A 2B on Control Board and GND is DC0V motor deenergized and DC24V motor ener gized when the drawer is slid in with paper loaded on the Shift Tray only YES Correct drive coupling Change motor or flat cable NO Change Control Board Change Cabinet Transport Board 2 I O check for Shift Gate Position Sensor opera tion the voltage across PJ7A 1B on Control Board and GND is DC5V sensor unblock...

Page 252: ...or PC141 Shift Motor Pulse Sensor PC143 Shift Motor M127 Cabinet Transport Board PWB H Control Board PWB A PF 115 PJ27 PC143 1 2 3 PJ31 PC141 1 2 3 PJ32 PC140 1 2 3 GND DC5V M127 PJ37 1 2 PJ2H 3A PJ2H 7A PJ2H 8A PJ2H 4B PJ2H 5B PWB H PJ1H 9A PJ1H 5A PJ1H 4A PJ1H 8B PJ1H 7B PWB A PF 115 PJ7A 3A PC143 ON PJ7A 7A PC141 ON PJ7A 8A PC140 ON PJ7A 4B PJ7A 5B 4002C19TAA ...

Page 253: ...or or Cabinet Transport Board Change flat cable Step Check Result Action 1 Shift Motor turns when the 3rd Drawer is slid in with paper loaded on the Shift Tray paper is moved to the Main Tray NO Correct drive coupling 2 Shift Motor rotation the voltage across PJ7A 4B on Control Board and GND is DC0V motor deenergized and DC24V motor energized in step 1 YES Change motor or Cabinet Transport Board C...

Page 254: ... GND is DC5V motor deenergized and DC0V motor energized when the Start key is pressed NO Change Control Board 3 Horizontal Transport Motor rotation the voltage across PJ12A 7 on Control Board and GND is DC5V motor deenergized and DC0V motor energized when the Start key is pressed YES Change Control Board NO Change motor PJ25 M131 7 6 5 4 3 2 1 10 9 10 9 8 8 7 7 6 6 5 5 4 4 12 12 11 11 1 2 3 CN8 1 ...

Page 255: ...mp ON the voltage across PJ9A 7A on Master Board and GND is DC24V lamp OFF and DC0V lamp ON when the Start key is pressed YES Change Master Board 2 Main Erase Lamp ON the voltage across PJ9A 7A on Master Board and GND is DC24V in the standby state YES Change lamp NO Change Master Board PJ74 3 2 1 LA2 11 1 CN30 5 7 4 8 1 11 DC24V PWB A PJ9A 7A LA2 REM 4002C20TAA ...

Page 256: ...Check Result Action 1 PJ7A CN10 and CN41 are plugged securely into Master Board NO Plug them in securely 2 Photosensor LED of the AIDC Sensor are con taminated YES Clean NO Change AIDC Sensor Board Change Master Board 1 1 24 24 12 12 11 11 10 10 CN10 3 2 1 1 2 3 CN41 PWB A PWB G AIDC PJ7A 5B AIDC LED PJ7A 6B GND PJ7A 7B AIDC OUT 4002C21TAA ...

Page 257: ...ter Board CN10 and PJ7 on the sensor are properly connected NO Plug them in securely 2 ATDC Sensor operation the voltage across PJ7A 10B on Master Board and GND changes in the range between DC0 5V and DC4 5V dur ing a copy cycle YES Change Master Board NO Change sensor 1 1 24 24 17 17 16 16 15 15 CN10 18 18 PJ7 1 2 3 4 PWB A UN2 ATDC PJ7A 8B CONTROL PJ7A 9B DC24V PJ7A 10B OUT PJ7A 11B GND 4002C22T...

Page 258: ...ame malfunction persists change Memory Board or Master Board C1330 C1334 1 Reset the malfunction and turn OFF and ON the Power Switch 2 If the same malfunction persists run Mem Prn selected from I R Mem Prn selected in the following sequence Tech Rep Mode Function Image Memory 3 If the malfunction is detected a third time change Master Board or Image Processing Board C133B 1 Reset the malfunction ...

Page 259: ... the same malfunction is detected again change Image Processing Board C1450 1 Reset the malfunction 2 If the same malfunction persists check the cables timing belt and other drive transmission mechanism from the Scanner Motor to the Scanner 3 If step 2 has been checked okay change Image Processing Board C1461 C1470 C1471 C1472 1 Reset the malfunction 2 If the same malfunction persists change Image...

Page 260: ...voltage across PJ12PU1 2 and 5 of DC Power Supply Main is DC5V when the Power Switch is turned ON NO Check harness 4 DC Power Supply Main operation the voltage across PJ12PU1 2 and 5 of DC Power Supply Main is DC0 5V to 1 0V when the Power Switch is turned ON NO Check harness YES Change DC Power Supply Main 5 Power Switch operation the voltage across PJ15A 3 on Master Board and GND is DC5V switch ...

Page 261: ...70 9 Power Supply Board operation the voltage across PJ5C 3 on Power Supply Board and GND is AC10V when Power Switch is turned ON NO Change Power Supply Board YES Check Main Relay Step Check Result Action ...

Page 262: ... Section Step Check Result Action Installation site 1 See PRECAUTIONS FOR INSTALLATION in GENERAL NO Change the installation site Paper 2 Recommended paper is used NO Instruct user 3 Paper is damp YES Change paper Instruct user in paper storage Original 4 Original not flat YES Correct 5 Faint original YES Instruct user 6 Highly transparent original OHP transparencies etc YES Instruct user 7 Dirty ...

Page 263: ...k copy 3 Low image density 4 Foggy background 5 Black streaks or bands 6 Black spots 7 Blank streaks or bands 8 Void areas 9 Smear on back 10 Uneven image density 11 Gradation reproduction failure 12 Rough image 13 Periodically uneven image 14 Traces of PC Drum Paper Separator Fingers 15 Void areas along leading edge ...

Page 264: ...ing position See ADJUSTMENT Section Step Check Result Action Engine 1 PC Drum Charge Corona is installed correctly NO Install correctly 2 Wiring between HV and PC Drum Charge Corona is con nected NO Connect 3 PC Drum is properly grounded NO Clean or change PC Drum ground plate 4 Developing bias contact is dirty or deformed YES Clean or change developing bias contact 5 Wiring between HV and devel o...

Page 265: ...tect copier from extrane ous light Engine 1 Cleaning Blade is dirty with foreign matter and paper dust YES Clean or change 2 PC Drum is dirty with foreign matter YES Clean or change 3 Sleeve Magnet Roller is dirty YES Clean 4 Developing bias contact is dirty or deformed YES Clean or change 5 Main Erase Lamp is dirty YES Clean IR 1 Mirrors and lens are dirty YES Clean Section Step Check Result Acti...

Page 266: ...is dirty YES Clean IR 1 Mirrors and lens are dirty YES Clean 2 Original Glass is dirty or scratchy YES Clean 3 Exposure Lamp is dirty YES Clean Section Step Check Result Action Engine 1 PC Drum is dirty YES Clean or change 2 PC Drum Paper Separator Fingers are dirty YES Clean or change 3 Toner spilled over areas inside copier YES Clean 4 Upper Fusing Roller is dirty YES Clean or change 5 Toner is ...

Page 267: ...Change 8 DB is plugged with caked toner and foreign matter YES Remove foreign matter Change developer 9 PH Unit window is dirty YES Clean IR 1 Mirror is dirty YES Clean 2 Shading sheet is dirty YES Clean 3 Scanner shading position is correct YES Correct IR shading position See ADJUSTMENT Section Step Check Result Action Engine 1 Image Transfer Corona is installed properly NO Install correctly 2 Im...

Page 268: ...rum ground plate 2 Comb Electrode and grid mesh are dirty or deteriorated YES Clean or change 3 Image Transfer Corona is dirty or deteriorated YES Change 4 Toner is even on Sleeve Mag net Roller NO Adjust DB See ADJUST MENT Correct developer conveying mechanism IR 1 Mirrors and lens are dirty YES Clean 2 Exposure Lamp is dirty or deteriorated YES Clean or change Section Step Check Result Action En...

Page 269: ...ide Developing Unit and DB YES Remove foreign matter and caked toner Change devel oper 2 Image Transfer Corona wire is dirty or deteriorated YES Clean or change 3 Wiring between HV and Image Transfer Corona is connected YES Change HV NO Connect IR 1 Wiring between CCD Assy and Image Processing Board is connected YES Change CCD Assy Change Image Processing Board NO Connect Section Step Check Result...

Page 270: ...ance Code Display M2 Waste Toner Resetting procedure 1 Enter the Tech Rep mode 2 Select Counter 3 Select Consumables 4 Select the count of Waste Toner 5 Press the Clear key M3 Web Resetting procedure 1 Enter the Tech Rep mode 2 Select Counter 3 Select Consumables 4 Select the count of Web 5 Press the Clear key Code Description M2 The count of Waste Toner of the Consumables counter reaches a predet...

Page 271: ...Copyright 2000 MINOLTA Co Ltd Printed in Japan Use of this manual should be strictly supervised to avoid disclosure of confidential information MINOLTA Co Ltd 4002 7991 11 00091200 ...

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Summary of Contents for DI450

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