Canon imagePRESS 1135 Series Troubleshooting Manual Download Page 96

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5) Remove Patch Sensor Unit.

6) Remove the connector.

7) Hold the grip and with opening the intermediate transfer belt unit, remove the support shaft.

8) Open the intermediate transfer belt unit by approx. 90 degree, align the end of support shaft without

groove with the hole of intermediate transfer belt unit frame and align the other end of groove on support

shaft with the hole of intermediate transfer belt unit frame.

9) Close the intermediate transfer belt unit and hook it to the support shaft to stand it.

Summary of Contents for imagePRESS 1135 Series

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Page 3: ...109 0 mm Approx 63 8 mm Approx 173 7 mm Approx 151 1 mm Approx 109 9 mm When the leading edge of the paper enters the Fixing Misalignment of the fixing position or a loose Fixation Screw of the Frame Refer to Work procedure 1 4 Position of the poor image 120 8 mm 75 6 mm 185 5 mm 162 9 mm 121 7 mm 109 0 mm 63 8 mm 173 7 mm 151 1 mm 109 9 mm the paper enters the Fixing Roller during primary transfe...

Page 4: ...er to Work procedure 2 7 Approx 113 1mm External Heat Roller The end of life of the External Heat Roller Refer to Work procedure 2 8 Approx 120 1mm Developing Lower Cylinder The distance between the Photosensitive Drum and the Developing Lower Cylinder is out of the specified range Refer to Work procedure 2 9 Approx 125 0mm ITB Drive Roller Soiling damage on the ITB Drive Roller Refer to Work proc...

Page 5: ...Section 1 Uneven Density Image Shock Image ...

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Page 7: ...gagement Disengagement Arm of the Registration Slave Roller is rotating smoothly B _Check that the Drive Belt of the Registration Drive Roller rotates smoothly C _Check the connectors between the Registration Motor M26 and the Registration Duplexing Driver PCB D Detailed work procedure 1 Open the Front Left Cover and the Front Right Cover 2 Pull out the Fixing Feed Unit 3 Open the duplex feed unit...

Page 8: ... Work procedure 1 1 2 7 4 Remove the 2 knobs 5 Remove the front cover 4 screws ...

Page 9: ... Work procedure 1 1 3 7 6 Remove the cable 7 connectors 10 wire saddles 7 Remove the plate 1 screw 8 Remove the connector ...

Page 10: ... Work procedure 1 1 4 7 9 Remove the registration unit 4 screws 10 Remove the Registration Roller Cover 1 1 Screw 2 ...

Page 11: ...gagement Disengagement Cam 1 of the Registration Slave Roller to check that the rotation is smoothly conveyed to the Registration Slave Roller Unit 2 and check the cam 1 for any abnormality 12 Check the 3 Fixation Screws 3 securing the Engagement Disengagement Cam of the Registration Slave Roller for looseness 13 If abnormality is found replace the faulty part ...

Page 12: ...has not come off 15 Rotate the bearing 2 at the Engagement Disengagement Arm of the Registration Slave Roller and check that it rotates smoothly Check that the Drive Belt of the Registration Drive Roller rotates smoothly C 16 Check that the Drive Belt 3 of the Registration Drive Roller rotates smoothly 17 If abnormality is found replace the faulty part ...

Page 13: ... 19 If abnormality is found replace the faulty part Check the connectors between the Registration Motor M26 and the Registration Duplexing Driver PCB D 20 Install the removed parts in reverse order and check the 7 connectors between the Registration Motor M26 and the Registration Duplexing Driver PCB for disconnection and abnormality 21 If abnormality is found replace the faulty part 22 Install th...

Page 14: ...seness or deformation and check the ITB Positioning Shaft Supports and the pins of the ITB Positioning Plate for any damage B _Check the Fixation Screws of the Process Unit for any looseness C _Check the Pressure Spring of the Secondary Transfer Roller for any abnormality D _Check the Shaft Support Members for any damage E _Check the location to install the Laser Scanner Unit for any abnormality F...

Page 15: ... ITB Positioning Plate for any looseness or deformation A 2 Remove the process unit cover 3 Turn the ITB release lever in the direction of the arrow 4 Check the 2 Fixation Screws 1 of the ITB Positioning Plate for any looseness or abnormality 5 If abnormality is found replace the faulty part 6 Install the removed parts in reverse order ...

Page 16: ...ation Screws 1 of the ITB Positioning Shaft Supports the 4 ITB Positioning Shaft Supports 2 and the 4 pins 3 of the ITB Positioning Plate for any abnormality 5 If abnormality is found replace the faulty part 6 Install the removed parts in reverse order 1 Open the Front Left Cover and the Front Right Cover Check the Fixation Screws of the Process Unit for any looseness C 2 Remove Process Unit Cover...

Page 17: ...fer Roller for any abnormality D 2 Pull Out Fixing Feed Unit 3 Remove the Secondary Transfer Outer Unit 4 Remove the 2 screws 5 Lift the post secondary transfer guide and put it down on front Caution Since the harness is connected to the post secondary transfer guide be careful not to pull it forcibly 6 Remove the 2 stop rings ...

Page 18: ...ransfer holder remove the 2 arms one by one 8 Remove the secondary transfer outer roller assembled with the 2 secondary transfer holders with spring to the upper 9 Remove the 2 secondary transfer holders with spring from the secondary transfer outer roller ...

Page 19: ...ount of the spring correct the deformation of the springs or their installation If abnormality is not solved replace the faulty part 11 Install the removed parts in reverse order Caution Caution at installation Make sure to install it in the position where the groove on the metal part of secondary transfer outer roller is placed to the rear side of the secondary transfer outer unit ...

Page 20: ... removed parts in reverse order 1 Open the Front Left Cover and the Front Right Cover Check the Shaft Support Members for any damage Frame body of the ITB Unit E 1 2 Remove Process Unit Cover 3 Pull Out ITB Unit CAUTION Be sure to pull out the Fixing Feed Unit and ITB Unit to the position where latch is locked Reason Disengagement between the Positioning Pin of the Secondary Transfer Outer Unit an...

Page 21: ...ith the hole of intermediate transfer belt unit frame and align the other end of groove on support shaft with the hole of intermediate transfer belt unit frame 7 Close the intermediate transfer belt unit and hook it to the support shaft to stand it 8 Check the 2 Shaft Support Members 1 of the fame body of the ITB Unit for any damage 9 If abnormality is found replace the faulty part 10 Install the ...

Page 22: ... Process Unit for any damage E 2 2 Remove Process Unit Cover 3 Pull Out Process Unit 4 Check the 2 Shaft Support Members 1 of the Process Unit and the 2 pins 2 of the Positioning Plate of the Process Unit for any abnormality 5 If abnormality is found replace the faulty part 6 Install the removed parts in reverse order ...

Page 23: ...t differs between the ADF Reader mounted model and ADF Reader Unit unmounted model refer to the preparation which corresponds to each model Preparation for removing the Laser Scanner Unit ADF Reader Unit unmounted model 1 Open the Front Left Cover and Front Right Cover 2 Remove the upper front cover 1 rubber bush 3 screws loosen 3 Remove the upper cover 6 screws ...

Page 24: ...ving the Laser Scanner Unit ADF Reader Unit mounted model 1 Open the Front Left Cover and Front Right Cover 2 Remove the front upper cover 1 rebber cover 1 screw 2 screws loosen 3 Remove the upper left cover 2 1 rebber cover 1 screw 1 screw loosen ...

Page 25: ...eck is not connected to the host machine refer to 4 4 for removing procedure If POD deck is connected to the host machine 4 1 Remove the 2 stopper pins 2 screws 4 2 Turn the control panel in the direction of the arrow until it stops 4 3 Remove the upper right cover1 in the direction of the arrow 2 screws loosen Claw in 1 place ...

Page 26: ...e 1 2 13 19 If POD deck is not connected to the host machine 4 4 Remove the upper right cover 1 2 screws loosen 1 claw 5 Remove the rear reader cover 4 screws 6 Remove the reader support plate left right 1 screw each ...

Page 27: ...ide wire that opened to its full length Caution When opening the ADF reader unit it might fall to the back side of the host machine please refer to the following points during the work Be sure to install the guide wire Be sure not to open ADF reader unit more than the length of the guide wire ...

Page 28: ...MO During reader support plate installation install 2 stepped screws on the 2 places 10 Hold the ADF reader unit insert the projection A of the reader support plate to the reader unit hole insert the projection B of the reader support plate to the host machine hole and fix the ADF reader unit ...

Page 29: ...hat the Laser Scanner is installed correctly whether there is any backlash CAUTION If the Laser Scanner is installed correctly Install the removed parts in reverse order If the Laser Scanner is not installed correctly Perform the following steps and check the unit again 2 Remove the laser fan cover 2 screws 3 Release the flat cable lock then remove 1 cable and 2 connectors ...

Page 30: ...rk procedure 1 2 17 19 4 Remove the harness 1 connector 1 wire saddle 5 Remove the 2 laser scanner unit fixing plates 2 screws CAUTION During the laser scanner unit replacement do not soil dustproof glass ...

Page 31: ...n Screws 1 of the Leaf Springs of the Laser Scanner Unit for any looseness 8 If abnormality is found replace the faulty part 9 Install the Laser Scanner Unit and check the locations to secure the 2 protrusions A and the 2 Positioning Pins B for any abnormality 10 If abnormality is found replace the faulty part ...

Page 32: ...1 2 19 19 11 After installing the 2 Fixation Plates of Laser Scanner Unit check the 2 Fixation Screws 1 for any looseness 12 If abnormality is found replace the faulty part 13 Install the removed parts in reverse order ...

Page 33: ...gagement Disengagement Arm of the Registration Slave Roller is rotating smoothly B _Check that the Drive Belt of the Registration Drive Roller rotates smoothly C _Check the connectors between the Registration Motor M26 and the Registration Duplexing Driver PCB D Detailed work procedure 1 Open the Front Left Cover and the Front Right Cover 2 Pull out the Fixing Feed Unit 3 Open the duplex feed unit...

Page 34: ... Work procedure 1 3 2 7 4 Remove the 2 knobs 5 Remove the front cover 4 screws ...

Page 35: ... Work procedure 1 3 3 7 6 Remove the cable 7 connectors 10 wire saddles 7 Remove the plate 1 screw 8 Remove the connector ...

Page 36: ... Work procedure 1 3 4 7 9 Remove the registration unit 4 screws 10 Remove the Registration Roller Cover 1 1 Screw 2 ...

Page 37: ...gagement Disengagement Cam 1 of the Registration Slave Roller to check that the rotation is smoothly conveyed to the Registration Slave Roller Unit 2 and check the cam 1 for any abnormality 12 Check the 3 Fixation Screws 3 securing the Engagement Disengagement Cam of the Registration Slave Roller for looseness 13 If abnormality is found replace the faulty part ...

Page 38: ...has not come off 15 Rotate the bearing 2 at the Engagement Disengagement Arm of the Registration Slave Roller and check that it rotates smoothly Check that the Drive Belt of the Registration Drive Roller rotates smoothly C 16 Check that the Drive Belt 3 of the Registration Drive Roller rotates smoothly 17 If abnormality is found replace the faulty part ...

Page 39: ... 19 If abnormality is found replace the faulty part Check the connectors between the Registration Motor M26 and the Registration Duplexing Driver PCB D 20 Install the removed parts in reverse order and check the 7 connectors between the Registration Motor M26 and the Registration Duplexing Driver PCB for disconnection and abnormality 21 If abnormality is found replace the faulty part 22 Install th...

Page 40: ... for any damage B _Check the Pressure Spring of the Primary Transfer Roller for any abnormality C _Check the Shaft Support Members for any damage D Detailed work procedure 1 Open the Front Left Cover and the Front Right Cover Check the Fixation Screws of the Process Unit for any looseness A 2 Remove Process Unit Cover 3 Check the 4 Fixation Screws 1 of the Process Unit for any looseness 4 If abnor...

Page 41: ...haft Supports and the pins of the ITB Positioning Plate for any damage B 2 Remove the process unit cover 3 Remove the ITB positioning plate 4 Check the 4 Fixation Screws 1 of the ITB Positioning Shaft Supports the 4 ITB Positioning Shaft Supports 2 and the 4 pins 3 of the ITB Positioning Plate for any abnormality 5 If abnormality is found replace the faulty part 6 Install the removed parts in reve...

Page 42: ...Feed Unit and ITB Unit to the position where latch is locked Reason Disengagement between the Positioning Pin of the Secondary Transfer Outer Unit and Shaft Support Member of the frame body of the ITB Unit becomes insufficient and it may cause damage when assembling the Intermediate Transfer Belt Unit 4 Remove ITB Cleaning Unit 5 Remove the connector 6 Hold the grip and with opening the intermedia...

Page 43: ...ntermediate transfer belt unit frame and align the other end of groove on support shaft with the hole of intermediate transfer belt unit frame 8 Close the intermediate transfer belt unit and hook it to the support shaft to stand it 9 Remove the patch sensor unit 10 Remove the ITB 11 Hold the ITB lever and remove the support shaft that supports the ITB ...

Page 44: ... the ITB s lever and store the support shaft 13 Put back the ITB unit 14 Remove the ITB static eliminator from the edge of primary transfer roller unit Caution Put the ITB static eliminator inside the roller unit frame at installation ...

Page 45: ... front bearing from the primary transfer roller unit 16 Remove the primary transfer roller 17 Remove the bearing 1 on the rear side CAUTION When removing the bearing 1 on the rear side be careful not to deform or damage its Contact Spring 2 ...

Page 46: ...ect the deformation of the springs or their installation 19 If abnormality is not solved replace the faulty part 20 Install the removed parts in reverse order CAUTION Make sure to avoid the edge of the ITB displacement sensor lever from overlapping with the ITB at installation CAUTION After assembly execute ITB position adjustment in service mode ITB position adjustment COPIER FUNCTION INSTALL INI...

Page 47: ...ber of the frame body of the ITB Unit becomes insufficient and it may cause damage when assembling the Intermediate Transfer Belt Unit 4 Remove ITB Cleaning Unit 5 Hold the grip and with opening the intermediate transfer belt unit remove the support shaft 6 Open the intermediate transfer belt unit by approx 90 degree align the end of support shaft without groove with the hole of intermediate trans...

Page 48: ...verse order 1 Open the Front Left Cover and the Front Right Cover Check the Shaft Support Members for any damage Secondary Transfer Unit D 1 2 Pull Out Fixing Feed Unit 3 Remove the Secondary Transfer Outer Unit 4 Check the 4 Positioning Pins 1 of the Secondary Transfer Outer Unit for any abnormality 5 If abnormality is found replace the faulty part 6 Install the removed parts in reverse order ...

Page 49: ...aft Support Members 1 of the Process Unit and the 2 pins 2 of the Positioning Plate of the Process Unit for any abnormality 5 If abnormality is found replace the faulty part 6 Install the removed parts in reverse order 1 Open the Front Left Cover and the Front Right Cover Check the Shaft Support Members of the Fixing Assembly for any damage D 3 2 Pull Out Fixing Feed Unit 3 Remove the fixing feed ...

Page 50: ...e for any abnormality 5 If abnormality is found replace the faulty part 6 Remove the knob 7 While moving the lever lock at the rear of the fixing feed unit toward front and turn the fixing feed unit lever in the direction of the arrow clockwise MEMO When putting back the fixing feed unit lever turn the lever lock clockwise while moving it toward front ...

Page 51: ... 1 connector 2 wire saddles 1 edge saddle 1 stepped screw 10 Check the 2 Shaft Support Members 1 on the host machine side and the 2 pins 2 of the Positioning Plate of the Fixing Assembly for any abnormality 11 If abnormality is found replace the faulty part 12 Install the removed parts in reverse order ...

Page 52: ...Shaft Support Members for any damage B _Check the Pressure Spring of the Secondary Transfer Roller for any abnormality C Detailed work procedure 1 Change the currently used paper in the deck 1 to paper of 42mn or less in rigidity Change the paper to soft heavy paper Rigidity 42mn or less A 2 Close the deck ...

Page 53: ...xing Assembly for any damage B 1 2 Pull Out Fixing Feed Unit 3 Remove the fixing feed cover upper 2 screws 4 Check the 2 Shaft Support Members 1 of the Fixing Assembly and the 2 pins 2 of the Positioning Plate on the host machine side for any abnormality 5 If abnormality is found replace the faulty part 6 Remove the knob ...

Page 54: ...rn the fixing feed unit lever in the direction of the arrow clockwise MEMO When putting back the fixing feed unit lever turn the lever lock clockwise while moving it toward front 8 Remove the fixing feed cover lower 2 screws 9 Remove the fixing main unit 1 connector 2 wire saddles 1 edge saddle 1 stepped screw ...

Page 55: ...the 2 Shaft Support Members 1 on the host machine side and the 2 pins 2 of the Positioning Plate of the Fixing Assembly for any abnormality 11 If abnormality is found replace the faulty part 12 Install the removed parts in reverse order ...

Page 56: ... Process Unit for any damage B 2 2 Remove Process Unit Cover 3 Pull Out Process Unit 4 Check the 2 Shaft Support Members 1 of the Process Unit and the 2 pins 2 of the Positioning Plate of the Process Unit for any abnormality 5 If abnormality is found replace the faulty part 6 Install the removed parts in reverse order ...

Page 57: ...ber of the frame body of the ITB Unit becomes insufficient and it may cause damage when assembling the Intermediate Transfer Belt Unit 4 Remove ITB Cleaning Unit 5 Hold the grip and with opening the intermediate transfer belt unit remove the support shaft 6 Open the intermediate transfer belt unit by approx 90 degree align the end of support shaft without groove with the hole of intermediate trans...

Page 58: ...verse order 1 Open the Front Left Cover and the Front Right Cover Check the Shaft Support Members for any damage Secondary Transfer Unit B 3 2 Pull Out Fixing Feed Unit 3 Remove the Secondary Transfer Outer Unit 4 Check the 4 Positioning Pins 1 of the Secondary Transfer Outer Unit for any abnormality 5 If abnormality is found replace the faulty part 6 Install the removed parts in reverse order ...

Page 59: ...fer Roller for any abnormality C 2 Pull Out Fixing Feed Unit 3 Remove the Secondary Transfer Outer Unit 4 Remove the 2 screws 5 Lift the post secondary transfer guide and put it down on front Caution Since the harness is connected to the post secondary transfer guide be careful not to pull it forcibly 6 Remove the 2 stop rings ...

Page 60: ...ransfer holder remove the 2 arms one by one 8 Remove the secondary transfer outer roller assembled with the 2 secondary transfer holders with spring to the upper 9 Remove the 2 secondary transfer holders with spring from the secondary transfer outer roller ...

Page 61: ...gher spring pressure FC7 8775 NOTE How to distinguish between springs with a high spring pressure and those with a lower spring pressure Those with a high spring pressure Without marking on the spring FC7 8775 Those with a low spring pressure With marking on the spring FE2 0726 11 Install the removed parts in reverse order Caution Caution at installation Make sure to install it in the position whe...

Page 62: ...the Laser Scanner Unit for any abnormality C Detailed work procedure 1 Open the Front Left Cover and the Front Right Cover Check the Fixation Screws of the Process Unit for any looseness A 2 Remove Process Unit Cover 3 Check the 4 Fixation Screws 1 of the Process Unit for any looseness 4 If abnormality is found replace the faulty part 5 Install the removed parts in reverse order ...

Page 63: ... Process Unit for any damage B 1 2 Remove Process Unit Cover 3 Pull Out Process Unit 4 Check the 2 Shaft Support Members 1 of the Process Unit and the 2 pins 2 of the Positioning Plate of the Process Unit for any abnormality 5 If abnormality is found replace the faulty part 6 Install the removed parts in reverse order ...

Page 64: ...ber of the frame body of the ITB Unit becomes insufficient and it may cause damage when assembling the Intermediate Transfer Belt Unit 4 Remove ITB Cleaning Unit 5 Hold the grip and with opening the intermediate transfer belt unit remove the support shaft 6 Open the intermediate transfer belt unit by approx 90 degree align the end of support shaft without groove with the hole of intermediate trans...

Page 65: ...verse order 1 Open the Front Left Cover and the Front Right Cover Check the Shaft Support Members for any damage Secondary Transfer Unit B 2 2 Pull Out Fixing Feed Unit 3 Remove the Secondary Transfer Outer Unit 4 Check the 4 Positioning Pins 1 of the Secondary Transfer Outer Unit for any abnormality 5 If abnormality is found replace the faulty part 6 Install the removed parts in reverse order ...

Page 66: ...xing Assembly for any damage B 3 2 Pull Out Fixing Feed Unit 3 Remove the fixing feed cover upper 2 screws 4 Check the 2 Shaft Support Members 1 of the Fixing Assembly and the 2 pins 2 of the Positioning Plate on the host machine side for any abnormality 5 If abnormality is found replace the faulty part 6 Remove the knob ...

Page 67: ...rn the fixing feed unit lever in the direction of the arrow clockwise MEMO When putting back the fixing feed unit lever turn the lever lock clockwise while moving it toward front 8 Remove the fixing feed cover lower 2 screws 9 Remove the fixing main unit 1 connector 2 wire saddles 1 edge saddle 1 stepped screw ...

Page 68: ...the 2 Shaft Support Members 1 on the host machine side and the 2 pins 2 of the Positioning Plate of the Fixing Assembly for any abnormality 11 If abnormality is found replace the faulty part 12 Install the removed parts in reverse order ...

Page 69: ... differs between the ADF Reader mounted model and ADF Reader Unit unmounted model refer to the preparation which corresponds to each model Preparation for removing the Laser Scanner Unit ADF Reader Unit unmounted model 1 Open the Front Left Cover and Front Right Cover 2 Remove the upper front cover 1 rubber bush 3 screws loosen 3 Remove the upper cover 6 screws ...

Page 70: ...ving the Laser Scanner Unit ADF Reader Unit mounted model 1 Open the Front Left Cover and Front Right Cover 2 Remove the front upper cover 1 rebber cover 1 screw 2 screws loosen 3 Remove the upper left cover 2 1 rebber cover 1 screw 1 screw loosen ...

Page 71: ...eck is not connected to the host machine refer to 4 4 for removing procedure If POD deck is connected to the host machine 4 1 Remove the 2 stopper pins 2 screws 4 2 Turn the control panel in the direction of the arrow until it stops 4 3 Remove the upper right cover1 in the direction of the arrow 2 screws loosen Claw in 1 place ...

Page 72: ...e 1 6 11 17 If POD deck is not connected to the host machine 4 4 Remove the upper right cover 1 2 screws loosen 1 claw 5 Remove the rear reader cover 4 screws 6 Remove the reader support plate left right 1 screw each ...

Page 73: ...ide wire that opened to its full length Caution When opening the ADF reader unit it might fall to the back side of the host machine please refer to the following points during the work Be sure to install the guide wire Be sure not to open ADF reader unit more than the length of the guide wire ...

Page 74: ...MO During reader support plate installation install 2 stepped screws on the 2 places 10 Hold the ADF reader unit insert the projection A of the reader support plate to the reader unit hole insert the projection B of the reader support plate to the host machine hole and fix the ADF reader unit ...

Page 75: ...hat the Laser Scanner is installed correctly whether there is any backlash CAUTION If the Laser Scanner is installed correctly Install the removed parts in reverse order If the Laser Scanner is not installed correctly Perform the following steps and check the unit again 2 Remove the laser fan cover 2 screws 3 Release the flat cable lock then remove 1 cable and 2 connectors ...

Page 76: ...rk procedure 1 6 15 17 4 Remove the harness 1 connector 1 wire saddle 5 Remove the 2 laser scanner unit fixing plates 2 screws CAUTION During the laser scanner unit replacement do not soil dustproof glass ...

Page 77: ...n Screws 1 of the Leaf Springs of the Laser Scanner Unit for any looseness 8 If abnormality is found replace the faulty part 9 Install the Laser Scanner Unit and check the locations to secure the 2 protrusions A and the 2 Positioning Pins B for any abnormality 10 If abnormality is found replace the faulty part ...

Page 78: ...1 6 17 17 11 After installing the 2 Fixation Plates of Laser Scanner Unit check the 2 Fixation Screws 1 for any looseness 12 If abnormality is found replace the faulty part 13 Install the removed parts in reverse order ...

Page 79: ... Supports and the pins of the ITB Positioning Plate for any damage B _Check the Pressure Spring of the Primary Transfer Roller for any abnormality C _Check the Shaft Support Members for any damage D Detailed work procedure 1 Open the front left cover and the front right cover Check the Fixation Screws of the ITB Positioning Plate for any looseness or deformation A 2 Remove the process unit cover 3...

Page 80: ...procedure 1 7 2 13 4 Check the 2 Fixation Screws 1 of the ITB Positioning Plate for any looseness or abnormality 5 If abnormality is found replace the faulty part 6 Install the removed parts in reverse order ...

Page 81: ...haft Supports and the pins of the ITB Positioning Plate for any damage B 2 Remove the process unit cover 3 Remove the ITB positioning plate 4 Check the 4 Fixation Screws 1 of the ITB Positioning Shaft Supports the 4 ITB Positioning Shaft Supports 2 and the 4 pins 3 of the ITB Positioning Plate for any abnormality 5 If abnormality is found replace the faulty part 6 Install the removed parts in reve...

Page 82: ...Feed Unit and ITB Unit to the position where latch is locked Reason Disengagement between the Positioning Pin of the Secondary Transfer Outer Unit and Shaft Support Member of the frame body of the ITB Unit becomes insufficient and it may cause damage when assembling the Intermediate Transfer Belt Unit 4 Remove ITB Cleaning Unit 5 Remove the connector 6 Hold the grip and with opening the intermedia...

Page 83: ...ntermediate transfer belt unit frame and align the other end of groove on support shaft with the hole of intermediate transfer belt unit frame 8 Close the intermediate transfer belt unit and hook it to the support shaft to stand it 9 Remove the patch sensor unit 10 Remove the ITB 11 Hold the ITB lever and remove the support shaft that supports the ITB ...

Page 84: ... the ITB s lever and store the support shaft 13 Put back the ITB unit 14 Remove the ITB static eliminator from the edge of primary transfer roller unit Caution Put the ITB static eliminator inside the roller unit frame at installation ...

Page 85: ... front bearing from the primary transfer roller unit 16 Remove the primary transfer roller 17 Remove the bearing 1 on the rear side CAUTION When removing the bearing 1 on the rear side be careful not to deform or damage its Contact Spring 2 ...

Page 86: ...ect the deformation of the springs or their installation 19 If abnormality is not solved replace the faulty part 20 Install the removed parts in reverse order CAUTION Make sure to avoid the edge of the ITB displacement sensor lever from overlapping with the ITB at installation CAUTION After assembly execute ITB position adjustment in service mode ITB position adjustment COPIER FUNCTION INSTALL INI...

Page 87: ...r of the frame body of the ITB Unit becomes insufficient and it may cause damage when assembling the Intermediate Transfer Belt Unit 4 Remove ITB Cleaning Unit 5 Hold the grip and with opening the intermediate transfer belt unit remove the support shaft 6 Open the intermediate transfer belt unit by approx 90 degree align the end of support shaft without groove with the hole of intermediate transfe...

Page 88: ...everse order 1 Open the Front Left Cover and the Front Right Cover Check the Shaft Support Members for any damage Secondary Transfer Unit D 1 2 Pull Out Fixing Feed Unit 3 Remove the Secondary Transfer Outer Unit 4 Check the 4 Positioning Pins 1 of the Secondary Transfer Outer Unit for any abnormality 5 If abnormality is found replace the faulty part 6 Install the removed parts in reverse order ...

Page 89: ...aft Support Members 1 of the Process Unit and the 2 pins 2 of the Positioning Plate of the Process Unit for any abnormality 5 If abnormality is found replace the faulty part 6 Install the removed parts in reverse order 1 Open the Front Left Cover and the Front Right Cover Check the Shaft Support Members of the Fixing Assembly for any damage D 3 2 Pull Out Fixing Feed Unit 3 Remove the fixing feed ...

Page 90: ...e for any abnormality 5 If abnormality is found replace the faulty part 6 Remove the knob 7 While moving the lever lock at the rear of the fixing feed unit toward front and turn the fixing feed unit lever in the direction of the arrow clockwise MEMO When putting back the fixing feed unit lever turn the lever lock clockwise while moving it toward front ...

Page 91: ... 1 connector 2 wire saddles 1 edge saddle 1 stepped screw 10 Check the 2 Shaft Support Members 1 on the host machine side and the 2 pins 2 of the Positioning Plate of the Fixing Assembly for any abnormality 11 If abnormality is found replace the faulty part 12 Install the removed parts in reverse order ...

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Page 93: ...Section 2 Banding Image Soiling Image Appears in interval ...

Page 94: ......

Page 95: ...it Cover 3 Pull Out ITB Unit CAUTION Be sure to pull out the Fixing Feed Unit and ITB Unit to the position where latch is locked Reason Disengagement between the Positioning Pin of the Secondary Transfer Outer Unit and Shaft Support Member of the frame body of the ITB Unit becomes insufficient and it may cause damage when assembling the Intermediate Transfer Belt Unit 4 Remove ITB Cleaning Unit ...

Page 96: ...shaft 8 Open the intermediate transfer belt unit by approx 90 degree align the end of support shaft without groove with the hole of intermediate transfer belt unit frame and align the other end of groove on support shaft with the hole of intermediate transfer belt unit frame 9 Close the intermediate transfer belt unit and hook it to the support shaft to stand it ...

Page 97: ... Work procedure 2 1 3 13 10 Remove the patch sensor unit 11 Put a paper between the fixing feed unit and the ITB frame 12 Remove the ITB ...

Page 98: ... Work procedure 2 1 4 13 13 Hold the ITB lever and remove the support shaft that supports the ITB 14 Hold the ITB s lever and store the support shaft 15 Put back the ITB unit ...

Page 99: ...aution Put the ITB static eliminator inside the roller unit frame at installation 17 While rotating the Primary Transfer Roller 1 clean the whole circumference with a vacuum cleaner 18 While rotating the Primary Transfer Roller 1 clean the whole circumference in the vertical direction with dry lint free paper ...

Page 100: ...ened with alcohol 1 Steering Roller 3 4 ITB Slave Rollers 4 CAUTION Rotate the rollers in the direction of the arrow shown in the figure below and clean them in the vertical direction MEMO When the ITB is removed if the back side of ITB is dirty make sure to clean it in the following procedure 1 Place the removed ITB on the paper 2 Clean the back side of ITB by evenly wiping all circumference in v...

Page 101: ...sor lever from overlapping with the ITB at installation 21 ITB position shall be adjusted with a service mode whenever ITB pressure is released ITB positioning adjustment COPIER FUNCTION INSTALL INIT ITB CAUTION If the image failure persists after performing the foregoing cleaning perform the procedure shown below to replace the parts ...

Page 102: ...xing Feed Unit and ITB Unit to the position where latch is locked Reason Disengagement between the Positioning Pin of the Secondary Transfer Outer Unit and Shaft Support Member of the frame body of the ITB Unit becomes insufficient and it may cause damage when assembling the Intermediate Transfer Belt Unit 4 Remove ITB Cleaning Unit 5 Remove Patch Sensor Unit 6 Remove the connector ...

Page 103: ...lt unit by approx 90 degree align the end of support shaft without groove with the hole of intermediate transfer belt unit frame and align the other end of groove on support shaft with the hole of intermediate transfer belt unit frame 9 Close the intermediate transfer belt unit and hook it to the support shaft to stand it 10 Remove the patch sensor unit ...

Page 104: ...e 2 1 10 13 11 Put a paper between the fixing feed unit and the ITB frame 12 Remove the ITB 13 Hold the ITB lever and remove the support shaft that supports the ITB 14 Hold the ITB s lever and store the support shaft ...

Page 105: ...rocedure 2 1 11 13 15 Put back the ITB unit 16 Remove the ITB static eliminator from the edge of primary transfer roller unit Caution Put the ITB static eliminator inside the roller unit frame at installation ...

Page 106: ... the primary transfer roller unit Caution Be careful not to remove the rear bearing from the ITB unit because it may cause the breakage of the spring contact point 18 Remove the primary transfer roller 19 Install a new Primary Transfer Roller in reverse order ...

Page 107: ...der CAUTION Make sure to avoid the edge of the ITB displacement sensor lever from overlapping with the ITB at installation 21 ITB position shall be adjusted with a service mode whenever ITB pressure is released ITB positioning adjustment COPIER FUNCTION INSTALL INIT ITB ...

Page 108: ...everse Unit 2 Open the Feed Guide B 6 Delivery Inner Cover Unit 4 Open the Feed Guide B 7 Delivery Buffer Unit Front 6 Open the Feed Guide Remove the Delivery Inner Cover Unit if necessary B 8 Outer Delivery Unit 1 Remove the Outer Delivery Unit Cleaning method CAUTION Wipe the rollers with dry lint free paper If it is still dirty after wiping it with dry lint free paper clean it with lint free pa...

Page 109: ...moving those units B 1 Replacing the Feed Roller in the Registration Unit NOTE This unit contains 1 Feed Roller 1 to be replaced The location is shown in the figure below The following procedure shows how to remove this unit If necessary remove this unit and check the Feed Roller for any abnormality 1 Open the Front Left Cover and the Front Right Cover 2 Pull out the Fixing Feed Unit 3 Open the du...

Page 110: ... Work procedure 2 2 3 31 5 Remove the Fixing Feed Right Cover 4 screws 6 Remove the cable 7 connectors 10 wire saddles 7 Remove the plate 1 screw ...

Page 111: ...rocedure 2 2 4 31 8 Remove the connector 9 Remove the registration unit 4 screws 10 If abnormality is found in the Feed Roller in this unit replace the faulty part 11 Install the removed parts in reverse order ...

Page 112: ...d Unit NOTE This unit contains 9 Feed Rollers 1 to be replaced The location is shown in the figure below The following procedure shows how to remove this unit If necessary remove this unit and check the Feed Rollers for any abnormality 1 Remove the rear right cover 6 screws ...

Page 113: ... 6 31 2 Remove the rear left cover 12 screws loosen 3 screws remove 3 Remove the duct cover 3 5 screws 4 Open the controller box unit in the direction of the arrow 2 screws 5 Move the Pickup Feed Driver PCB Unit 5 screws ...

Page 114: ... Work procedure 2 2 7 31 6 Remove the harness 3 edge saddles 9 connectors 7 Remove the positioning pin 1 screw ...

Page 115: ... out the Fixing Feed Unit 10 Remove the Upper Registration Cover the Middle Registration Cover and the Lower Registration Cover in the direction of the arrow 6 screws 11 Remove the Knob Support Plates Upper Right Middle Left Middle Right Lower Middle Lower Right and the Lever 11 screws 12 Remove the Gear Boxes 1 and 2 5 screws ...

Page 116: ... 2 2 9 31 13 Remove the positioning pin 1 screw 14 Remove the Pickup Feed Unit 4 screws 15 If abnormality is found in the Feed Rollers in this unit replace the faulty part 16 Install the removed parts in reverse order ...

Page 117: ... the Feed Roller for any abnormality 1 Open the Front Left Cover and the Front Right Cover 2 Pull out the Waste Toner Case Unit 3 Pull out the Paper Deck 4 Remove the 2 screws and the deck cover upper 5 Place the paper on the top of deck to prevent the scratch on the belt on the bottom of pickup unit 6 Remove the screw and the pickup unit 7 If abnormality is found in the Feed Roller in this unit r...

Page 118: ...1 to be replaced The location is shown in the figure below The following procedure shows how to remove this unit If necessary remove this unit and check the Feed Rollers for any abnormality 1 Open the Front Left Cover and the Front Right Cover 2 Pull out the Fixing Feed Unit 3 Open the duplex feed unit 4 Remove the 2 knobs ...

Page 119: ... Work procedure 2 2 12 31 5 Remove the Fixing Feed Right Cover 4 screws 6 Remove the Upper Fixing Feed Cover 2 screws 7 Remove the knob ...

Page 120: ...the Fixing Feed Unit to the front turn the Fixing Feed Unit Lever in the direction of the arrow clockwise MEMO When putting back the Fixing Feed Unit Lever turn the Lever Lock clockwise while moving the Lever Lock to the front 9 Remove the Lower Fixing Feed Cover 2 screws ...

Page 121: ... Work procedure 2 2 14 31 10 Disconnect the 5 connectors 11 Remove Duplex Feed Motor 1 and Duplex Feed Motor 2 4 screws 2 timing belts ...

Page 122: ... Work procedure 2 2 15 31 12 Remove Duplex Feed Motor 3 and Duplex Feed Motor 4 4 screws 2 timing belts 13 Remove the 2 bushings 2 stopper rings ...

Page 123: ... Work procedure 2 2 16 31 14 Remove the 2 screws 15 Remove the 2 center pins 2 screws 16 Remove the 2 timing belts ...

Page 124: ... Work procedure 2 2 17 31 17 Lift the Duplex Upper Guide Unit to remove the stopper ring at the rear side 18 Remove the 2 center pins 2 screws ...

Page 125: ...ork procedure 2 2 18 31 19 Remove the 4 wire saddles 20 Turn the Fixing Feed Unit Lever in the direction of the arrow and remove the center pin while supporting the Duplex Feed Unit with your hand 1 screw ...

Page 126: ...rom the hole of the hook in the direction of the arrow 22 Remove the 2 guide wires to remove the Duplex Feed Unit 2 stepped screws 23 If abnormality is found in the Feed Rollers in this unit replace the faulty part 24 Install the removed parts in reverse order ...

Page 127: ...ontains 2 Feed Rollers 1 to be replaced The location is shown in the figure below The following procedure shows how to remove this unit If necessary remove this unit and check the Feed Rollers for any abnormality 1 Open the Front Left Cover 2 Pull out the Buffer Delivery Unit 3 Remove the knob ...

Page 128: ... Work procedure 2 2 21 31 4 Remove the delivery cover right 2 screws 5 Remove the gear unit 1 screw 6 Open the front right cover 7 Pull out the fixing feed unit 8 Remove the left lower cover 6 screws ...

Page 129: ...move the 3 connectors 10 Pull out the reversal unit in the direction of the arrow 2 screws 2 retainers 11 If abnormality is found in the Feed Rollers in this unit replace the faulty part 12 Install the removed parts in reverse order ...

Page 130: ...Feed Rollers 1 to be replaced The location is shown in the figure below The following procedure shows how to remove this unit If necessary remove this unit and check the Feed Rollers for any abnormality 1 Open the Front Left Cover 2 Pull out the Buffer Delivery Unit 3 Remove the band of the front right cover 1 screw ...

Page 131: ...the 3 connectors 1 wire saddle 5 Remove the delivery inner cover unit in the direction of the arrow 2 screws 6 If abnormality is found in the Feed Rollers in this unit replace the faulty part 7 Install the removed parts in reverse order ...

Page 132: ...Duplex Vertical Path Roller 2 Duplex Vertical Path Roller 3 The following procedures show how to remove the main units to be removed before removing the Feed Rollers in this unit If necessary remove this unit and check the Feed Rollers for any abnormality When replacing Straight Delivery Roller 1 Straight Delivery Roller 2 Duplex Vertical Path Roller 1 1 Open the Front Left Cover 2 Pull out the Bu...

Page 133: ...s 1 Edge Saddle 1 Connector 7 Remove the Delivery Switch Motor Unit 1 Timing Belt 2 Screws 8 If abnormality is found in the Feed Rollers Straight Delivery Roller 1 Straight Delivery Roller 2 Duplex Vertical Path Roller 1 in this unit replace the faulty part 9 Install the removed parts in reverse order ...

Page 134: ...Vertical Path Roller 3 1 Open the Front Left Cover 2 Pull out the Buffer Delivery Unit 3 Remove the delivery outer cover unit 4 Remove the connector 1 reuse band 5 Remove the delivery outer cover unit in the direction of the arrow Remove the plate on the below lift and remove the cover unit 2 plates ...

Page 135: ... Work procedure 2 2 28 31 6 Remove the Delivery Inner Cover Unit 7 Remove the band of the front right cover 1 screw 8 Remove the 3 connectors 1 wire saddle ...

Page 136: ...ver unit in the direction of the arrow 2 screws 10 If abnormality is found in the Feed Rollers Duplex Feed Roller 1 Duplex Vertical Path Roller 2 Duplex Vertical Path Roller 3 in this unit replace the faulty part 11 Install the removed parts in reverse order ...

Page 137: ...ced The location is shown in the figure below The following procedure shows how to remove this unit If necessary remove this unit and check the Feed Roller for any abnormality 1 Open the Front Left Cover 2 Pull out the Buffer Delivery Unit 3 Remove the Rear Right Cover 6 Screws 4 Disconnect the Connector of the External Delivery Motor ...

Page 138: ... the direction of the arrow 6 Screws 6 Remove the plate 2 Screws 7 Remove the Left Upper Cover in the direction of the arrow 5 Screws 8 If abnormality is found in the Feed Roller in this unit replace the faulty part 9 Install the removed parts in reverse order ...

Page 139: ... Unit Cover 3 Pull Out ITB Unit CAUTION Be sure to pull out the Fixing Feed Unit and ITB Unit to the position where latch is locked Reason Disengagement between the Positioning Pin of the Secondary Transfer Outer Unit and Shaft Support Member of the frame body of the ITB Unit becomes insufficient and it may cause damage when assembling the Intermediate Transfer Belt Unit 4 Remove ITB Cleaning Unit...

Page 140: ...shaft 8 Open the intermediate transfer belt unit by approx 90 degree align the end of support shaft without groove with the hole of intermediate transfer belt unit frame and align the other end of groove on support shaft with the hole of intermediate transfer belt unit frame 9 Close the intermediate transfer belt unit and hook it to the support shaft to stand it ...

Page 141: ...he patch sensor unit 11 Put a paper between the fixing feed unit and the ITB frame 12 Remove the ITB 13 While rotating the Secondary Transfer Inner Roller 1 clean the whole circumference in the vertical direction with dry lint free paper ...

Page 142: ... Roller 1 The roller to be cleaned with dry lint free paper 1 ITB Drive Roller 2 The rollers to be cleaned with a vacuum cleaner and lint free paper moistened with alcohol 1 Steering Roller 3 4 ITB Slave Rollers 4 CAUTION Rotate the rollers in the direction of the arrow shown in the figure below and clean them in the vertical direction When the Primary Transfer Roller is removed make sure to remov...

Page 143: ...move the paper you placed and discard the toner according to the specified method 15 Install the removed parts in reverse order CAUTION Make sure to avoid the edge of the ITB displacement sensor lever from overlapping with the ITB at installation 16 ITB position shall be adjusted with a service mode whenever ITB pressure is released ITB positioning adjustment COPIER FUNCTION INSTALL INIT ITB CAUTI...

Page 144: ...re latch is locked Reason Disengagement between the Positioning Pin of the Secondary Transfer Outer Unit and Shaft Support Member of the frame body of the ITB Unit becomes insufficient and it may cause damage when assembling the Intermediate Transfer Belt Unit 4 Remove ITB Cleaning Unit 5 Remove Patch Sensor Unit 6 Remove the connector 7 Hold the grip and with opening the intermediate transfer bel...

Page 145: ...t unit frame and align the other end of groove on support shaft with the hole of intermediate transfer belt unit frame 9 Close the intermediate transfer belt unit and hook it to the support shaft to stand it 10 Remove the patch sensor unit 11 Remove the ITB 12 Loosen the screw and remove the secondary transfer inner roller unit including the secondary transfer mounting plate ...

Page 146: ...r at the two places A that are fitted in the bearings 15 Install the new Secondary Transfer Inner Roller in reverse order 16 Install the removed parts in reverse order CAUTION Make sure to avoid the edge of the ITB displacement sensor lever from overlapping with the ITB at installation 17 ITB position shall be adjusted with a service mode whenever ITB pressure is released ITB positioning adjustmen...

Page 147: ...ller D Cleaning Replacement Detailed work procedure 1 Open the Front Left Cover and the Front Right Cover Cleaning Procedure 2 Pull Out Fixing Feed Unit 3 While rotating the Secondary Transfer External Roller 1 clean the whole circumference with a vacuum cleaner ...

Page 148: ...ee paper 5 Install the removed parts in reverse order CAUTION If the image failure persists after performing the foregoing cleaning perform the procedure shown below to replace the parts 1 Open the Front Left Cover and the Front Right Cover Replacement Procedure 2 Pull Out Fixing Feed Unit 3 Remove the Secondary Transfer Outer Unit 4 Remove the 2 screws ...

Page 149: ... transfer guide and put it down on front Caution Since the harness is connected to the post secondary transfer guide be careful not to pull it forcibly 6 Remove the 2 stop rings 7 With pushing the secondary transfer holder remove the 2 arms one by one ...

Page 150: ...cing the 2nd transfer roller for machines having serial numbers earlier than the ones listed in Affected Machines below apply approx 20mg of the super lube grease FY9 6005 000 about the size of half a grain of rice to the inner circumference of the bearing A of the 2nd transfer roller holder 1 both two holders for half round or more Once the grease is applied when replacing the 2nd transfer roller...

Page 151: ...sfer External Roller in reverse order Caution Caution at installation Make sure to install it in the position where the groove on the metal part of secondary transfer outer roller is placed to the rear side of the secondary transfer outer unit 12 Install the removed parts in reverse order ...

Page 152: ...tall the S D Gap Alleviation Kit F Detailed work procedure 1 Open the Front Left Cover and the Front Right Cover Procedure to Check for Any Foreign Matters on the Developing Cylinder Drive Gear and the Developing Upper Cylinder or Replace the Developing Sleeve Unit 2 Remove Process Unit Cover 3 Pull Out primary Charging Assembly 4 Pull Out Process Unit 5 Remove Developing Assembly ...

Page 153: ...osensitive drum CAUTION Be careful not to expose the photosensitive drum to the light 7 Clean with lint free paper moistened with alcohol and then apply grease Super Lube Grease FY9 6006 is recommended to the Positioning Blocks Upper and Lower at front and rear sides of the Process Unit CAUTION Uniformly apply 1 rice grain sized grease with your finger to the same area as the surface to be cleaned...

Page 154: ...oping Cylinder Drive Gear 1 Reason Before the Developing Sleeve Unit separates from the Developing Assembly the Developing Cylinder Drive Gear 1 cannot be rotated manually Caution The screw is non magnetic so be careful not to drop it when installing removing it 9 Remove the developing cylinder upper cover 3 screws 10 Remove the torsion spring 2 pins ...

Page 155: ...he 2 connection plates 2 screws 12 Remove the developing sleeve unit and place it on the paper 13 Remove the 2 springs from the 2 hooks of developing sleeve unit Caution Make sure not to lost the 2 springs from the developing sleeve unit ...

Page 156: ...veloping cylinder upper cover with lint free paper 16 Rotate the Developing Cylinder Drive Gear 1 check for any foreign matters on the Developing Upper Cylinder 2 and remove them if any NOTE Reason After the Developing Sleeve Unit separates from the Developing Assembly the Developing Cylinder Drive Gear 1 can be rotated manually ...

Page 157: ...der Drive Gear and the Developing Upper Cylinder In the following steps Install the Developing Sleeve Unit from which you have removed foreign matters 17 Fit the 2 protrusions of the Developing Sleeve Unit Side Plate into the 2 places of A parts of the Developing Assembly 18 Fit the 2 holes on the top surface of the developing sleeve unit with the protrusion of the developing assembly and install ...

Page 158: ...t free paper 23 If the 4 Push on Rollers A are soiled clean them with dry lint free paper 24 Install the removed parts in reverse order CAUTION If you have replaced the Developing Sleeve Unit with a new one perform the following Measures after replacement of the developing sleeve ...

Page 159: ...nd detection potential control D max control Get in Service Mode to select the following COPIER FUNCTION MISC P INTR EX LEVEL 2 32 Execute cleaning of charging wire with a service mode Cleaning of all charging wires COPIER FUNCTION CLEANINNG WIRE CLN CAUTION The version of D CON should be Ver46 02 or later If the version of D CON is Ver46 02 or earlier execute the following service mode after exec...

Page 160: ...e to Install the S D Gap Alleviation Kit 2 Remove Process Unit Cover 3 Pull Out Process Unit Procedure to Install the S D Gap Alleviation Kit Replacing the Drawer Stepped Screw and Drawer Washer 4 Remove the rear left cover 12 screws loosen 3 screws remove 5 Open the duct cover 3 5 screws ...

Page 161: ...gs 2 and 2 washers 3 of the Drawer Connector Exploded perspective view 8 Apply grease Super Lube Grease FY9 6006 is recommended to the 5mm area of the 2 Stepped Screws 1 of the Drawer Connector included in the package as shown in the figure Install the 2 springs 2 removed in step 7 and the 2 washers φ8 3 1 Spare included in the package ...

Page 162: ...ube Grease FY9 6006 is recommended to the shaft hole 1 of the Drawer Connector inside the Process Unit About the size of a rice grain CAUTION Be sure to remove the paper placed on the Photosensitive Drum 10 Install the removed parts in reverse order ...

Page 163: ...work when banding image does not occur When banding image band like image occurs perform step 40 and later of Removing the Drum Cleaning Unit and Procedure for Adding a Process Unit Washer Caution When banding image does not occur be sure to keep the following contents instead of discarding them 1 2 washers φ14 2 1 screw binding M4x8 3 1 screw binding M4x5 1 2 3 ...

Page 164: ...t Cover 15 Remove Process Unit Cover 16 Pull Out primary Charging Assembly 17 Pull Out Process Unit 18 Remove Drum Cleaning Unit 19 Cover the drum with paper to block light Procedure for Adding a Process Unit Washer 20 Remove the screw 1 on the rear side of the Process Unit ...

Page 165: ...e into the gap A between the plate 1 and the plate 2 on the rear side of the Process Unit 22 Align the hole 4 of the washer with the screw hole 5 using tweezers 23 Fit the 2 bosses 1 and install the screw M4x8 4 included in the package in the hole 2 of the washer and the screw hole 3 ...

Page 166: ...er Stay 1 by holding it during the work When you touch the Lower Stay hold the bases at both ends at the front and rear Bending the Process Unit Lower Stay can cause damage to the ITB Unit 24 Replace the screw at the center of the Process Kit Lower Stay with a shorter screw M4x5 1 ...

Page 167: ...procedure 2 5 16 16 25 After turning the ITB Unit into an engaged state check that the screw 1 of the Lower Stay is not in contact with the ITB 2 using a penlight 26 Install the removed parts in reverse order ...

Page 168: ...over 3 Pull Out ITB Unit CAUTION Be sure to pull out the Fixing Feed Unit and ITB Unit to the position where latch is locked Reason Disengagement between the Positioning Pin of the Secondary Transfer Outer Unit and Shaft Support Member of the frame body of the ITB Unit becomes insufficient and it may cause damage when assembling the Intermediate Transfer Belt Unit 4 Remove ITB Cleaning Unit ...

Page 169: ...shaft 8 Open the intermediate transfer belt unit by approx 90 degree align the end of support shaft without groove with the hole of intermediate transfer belt unit frame and align the other end of groove on support shaft with the hole of intermediate transfer belt unit frame 9 Close the intermediate transfer belt unit and hook it to the support shaft to stand it ...

Page 170: ...0 Remove the patch sensor unit 11 Put a paper between the fixing feed unit and the ITB frame 12 Remove the ITB 13 While rotating the Steering Roller clean it in the vertical direction with lint free paper moistened with alcohol ...

Page 171: ...1 The rollers to be cleaned with dry lint free paper 1 Secondary Transfer Inner Roller 2 1 ITB Drive Roller 3 The rollers to be cleaned with a vacuum cleaner and lint free paper moistened with alcohol 4 ITB Slave Rollers 4 CAUTION Rotate the rollers in the direction of the arrow shown in the figure below and clean them in the vertical direction When the Primary Transfer Roller is removed make sure...

Page 172: ...emove the paper you placed and discard the toner according to the specified method 15 Install the removed parts in reverse order CAUTION Make sure to avoid the edge of the ITB displacement sensor lever from overlapping with the ITB at installation 16 ITB position shall be adjusted with a service mode whenever ITB pressure is released ITB positioning adjustment COPIER FUNCTION INSTALL INIT ITB CAUT...

Page 173: ...re latch is locked Reason Disengagement between the Positioning Pin of the Secondary Transfer Outer Unit and Shaft Support Member of the frame body of the ITB Unit becomes insufficient and it may cause damage when assembling the Intermediate Transfer Belt Unit 4 Remove ITB Cleaning Unit 5 Remove Patch Sensor Unit 6 Remove the connector 7 Hold the grip and with opening the intermediate transfer bel...

Page 174: ...ft without groove with the hole of intermediate transfer belt unit frame and align the other end of groove on support shaft with the hole of intermediate transfer belt unit frame 9 Close the intermediate transfer belt unit and hook it to the support shaft to stand it 10 Remove the patch sensor unit 11 Remove the ITB ...

Page 175: ...pport shaft that supports the ITB 13 Hold the ITB s lever and store the support shaft 14 Put back the ITB unit 15 Place paper stacks or cardboards with cushioning characteristics 1 so that the frame of the Intermediate Transfer Belt Unit can be put on a flat surface ...

Page 176: ...e hole A of the frame of the Intermediate Transfer Belt Unit from the shaft 2 of the ITB Frame 18 Lift the frame 1 of the Intermediate Transfer Belt Unit and pull out the shaft 3 of the ITB Frame from the groove B of the frame of the Intermediate Transfer Belt Unit 19 Place the frame 1 of the Intermediate Transfer Belt Unit removed from the host machine on paper stacks or cardboards 2 to prevent i...

Page 177: ...en the frame of the Intermediate Transfer Belt Unit and the Steering Roller 21 Remove the 2 screws 2 from the frame 1 of the Intermediate Transfer Belt Unit 22 Remove the Slide Rail Holder Rear Unit 1 and the Steering Roller 2 from the frame 3 of the Intermediate Transfer Belt Unit ...

Page 178: ...lder Rear Unit including 2 grounding plates 3 1 Bushing 4 1 Bearing 5 24 Apply grease Super lube half the size of a rice grain to the entire circumference A where the Steering Roller 1 a new part comes in contact with the bearing 25 Install the parts removed in step 23 to the new Steering Roller in reverse order ...

Page 179: ...der CAUTION Make sure to avoid the edge of the ITB displacement sensor lever from overlapping with the ITB at installation 27 ITB position shall be adjusted with a service mode whenever ITB pressure is released ITB positioning adjustment COPIER FUNCTION INSTALL INIT ITB ...

Page 180: ... Work procedure 2 7 1 2 Remedy Replacing the Pressure Roller H ...

Page 181: ...over Replacement Procedure 2 Pull Out Fixing Feed Unit 3 Open Fixing Upper Unit 4 Remove the Pressure Roller Unit 5 Remove the 2 Pressure Roller Bearings 2 Pressure Roller Insulating Bushes and Pressure Roller 2 Screws 1 Gear 6 Assemble a new Pressure Roller 2 new Pressure Roller Bearings and 2 new Pressure Roller Insulating Bushes together with the parts removed in step 5 in reverse order 7 Insta...

Page 182: ... Work procedure 2 8 1 9 Remedy Replacing the External Heat Rollers I ...

Page 183: ...r and the Front Right Cover Replacement Procedure 2 Pull Out Fixing Feed Unit 3 Remove the Fixing Pressure Unit Caution Before removing the Fixing Pressure Unit check the situation of the cam through the hole of the Fixing Assembly When installing the fixing pressure unit be sure to keep the cam status as it is removed Write down the cam status if necessary 4 Remove External Heat Roller Unit 5 Rem...

Page 184: ...Remove the pressure arm rear 1 spring upper only E ring 2 bearings When replacing the External Heat Roller Upper 7 Remove the cable from the cable guide 1 screw M3 8 Remove the 2 cables from the cable guide 1 screw M4 1 screw M3 ...

Page 185: ...ction of the arrow 1 screw Caution Be careful not to damage the heater when removing it 11 Remove the external heat roller upper 2 roller retainers 12 Remove the following parts from the external heat roller upper 2 stop rings 2 spacers 2 Bushings External Heat Roller Insulating Bushes 2 Bearings External Heat Roller Bearings 2 washers ...

Page 186: ... step 12 in reverse order When replacing the External Heat Roller Lower 14 Remove the cable from the cable guide 1 screw M3 15 Remove the 2 cables from the cable guide 1 screw M4 1 screw M3 16 Turn over the external heat roller unit 17 Remove the heater retainer plate and remove the heater in the direction of the arrow 1 screw Caution Be careful not to damage the heater when removing it ...

Page 187: ... heat roller lower 2 stop rings 2 spacers 2 Bushings External Heat Roller Insulating Bushes 2 Bearings External Heat Roller Bearings 2 washers 20 Assemble a new External Heat Roller Lower 2 new External Heat Roller Insulating Bushes and 2 new External Heat Roller Bearings together with the parts removed in step 19 in reverse order ...

Page 188: ...when installing the External Heat Rollers to the External Heat Unit 1 Install the flange of bearing outside the plate 2 Make sure to install the roller retaining spring inside the flange of the bearing 22 After installing the External Heat Roller Unit replace the 2 External Heat Cleaning Rollers 23 Remove the 2 screws and the fixing right cover ...

Page 189: ... plate from the external heat cleaning roller 26 Remove the following parts from the external heat cleaning roller 2 E rings 2 washers 2 bearings 27 Assemble 2 new External Heat Cleaning Rollers together with the parts removed in step 26 in reverse order 28 Install the 2 new External Heat Cleaning Rollers in reverse order ...

Page 190: ...to take the cam back to the position as when the fixing pressure unit is removed because the fixing pressure unit cannot be installed correctly When making the cam from the lying status B to the standing status A When making the cam from the standing status A to the lying status B Caution Be sure that the screw of the cam is in the correct direction when making the cam in a lying state If the dire...

Page 191: ...tall the S D Gap Alleviation Kit F Detailed work procedure Procedure to Check for Any Foreign Matters on the Developing Cylinder Drive Gear and the Developing Lower Cylinder or Replace the Developing Sleeve Unit 1 Open the Front Left Cover and the Front Right Cover 2 Remove Process Unit Cover 3 Pull Out primary Charging Assembly 4 Pull Out Process Unit 5 Remove Developing Assembly ...

Page 192: ...osensitive drum CAUTION Be careful not to expose the photosensitive drum to the light 7 Clean with lint free paper moistened with alcohol and then apply grease Super Lube Grease FY9 6006 is recommended to the Positioning Blocks Upper and Lower at front and rear sides of the Process Unit CAUTION Uniformly apply 1 rice grain sized grease with your finger to the same area as the surface to be cleaned...

Page 193: ...oping Cylinder Drive Gear 1 Reason Before the Developing Sleeve Unit separates from the Developing Assembly the Developing Cylinder Drive Gear 1 cannot be rotated manually Caution The screw is non magnetic so be careful not to drop it when installing removing it 9 Remove the developing cylinder upper cover 3 screws 10 Remove the torsion spring 2 pins ...

Page 194: ...he 2 connection plates 2 screws 12 Remove the developing sleeve unit and place it on the paper 13 Remove the 2 springs from the 2 hooks of developing sleeve unit Caution Make sure not to lost the 2 springs from the developing sleeve unit ...

Page 195: ...veloping cylinder upper cover with lint free paper 16 Rotate the Developing Cylinder Drive Gear 1 check for any foreign matters on the Developing Lower Cylinder 2 and remove them if any NOTE Reason After the Developing Sleeve Unit separates from the Developing Assembly the Developing Cylinder Drive Gear 1 can be rotated manually ...

Page 196: ...der Drive Gear and the Developing Lower Cylinder In the following steps Install the Developing Sleeve Unit from which you have removed foreign matters 17 Fit the 2 protrusions of the Developing Sleeve Unit Side Plate into the 2 places of A parts of the Developing Assembly 18 Fit the 2 holes on the top surface of the developing sleeve unit with the protrusion of the developing assembly and install ...

Page 197: ...t free paper 23 If the 4 Push on Rollers A are soiled clean them with dry lint free paper 24 Install the removed parts in reverse order CAUTION If you have replaced the Developing Sleeve Unit with a new one perform the following Measures after replacement of the developing sleeve ...

Page 198: ...nd detection potential control D max control Get in Service Mode to select the following COPIER FUNCTION MISC P INTR EX LEVEL 2 32 Execute cleaning of charging wire with a service mode Cleaning of all charging wires COPIER FUNCTION CLEANINNG WIRE CLN CAUTION The version of D CON should be Ver46 02 or later If the version of D CON is Ver46 02 or earlier execute the following service mode after exec...

Page 199: ...ont Left Cover and the Front Right Cover 2 Remove Process Unit Cover 3 Pull Out Process Unit Procedure to Install the S D Gap Alleviation Kit Replacing the Drawer Stepped Screw and Drawer Washer 4 Remove the rear left cover 12 screws loosen 3 screws remove 5 Open the duct cover 3 5 screws ...

Page 200: ...gs 2 and 2 washers 3 of the Drawer Connector Exploded perspective view 8 Apply grease Super Lube Grease FY9 6006 is recommended to the 5mm area of the 2 Stepped Screws 1 of the Drawer Connector included in the package as shown in the figure Install the 2 springs 2 removed in step 7 and the 2 washers φ8 3 1 Spare included in the package ...

Page 201: ...ube Grease FY9 6006 is recommended to the shaft hole 1 of the Drawer Connector inside the Process Unit About the size of a rice grain CAUTION Be sure to remove the paper placed on the Photosensitive Drum 10 Install the removed parts in reverse order ...

Page 202: ...work when banding image does not occur When banding image band like image occurs perform step 40 and later of Removing the Drum Cleaning Unit and Procedure for Adding a Process Unit Washer Caution When banding image does not occur be sure to keep the following contents instead of discarding them 1 2 washers φ14 2 1 screw binding M4x8 3 1 screw binding M4x5 1 2 3 ...

Page 203: ...t Cover 15 Remove Process Unit Cover 16 Pull Out primary Charging Assembly 17 Pull Out Process Unit 18 Remove Drum Cleaning Unit 19 Cover the drum with paper to block light Procedure for Adding a Process Unit Washer 20 Remove the screw 1 on the rear side of the Process Unit ...

Page 204: ...e into the gap A between the plate 1 and the plate 2 on the rear side of the Process Unit 22 Align the hole 4 of the washer with the screw hole 5 using tweezers 23 Fit the 2 bosses 1 and install the screw M4x8 4 included in the package in the hole 2 of the washer and the screw hole 3 ...

Page 205: ...er Stay 1 by holding it during the work When you touch the Lower Stay hold the bases at both ends at the front and rear Bending the Process Unit Lower Stay can cause damage to the ITB Unit 24 Replace the screw at the center of the Process Kit Lower Stay with a shorter screw M4x5 1 ...

Page 206: ...procedure 2 9 16 16 25 After turning the ITB Unit into an engaged state check that the screw 1 of the Lower Stay is not in contact with the ITB 2 using a penlight 26 Install the removed parts in reverse order ...

Page 207: ...Cover 3 Pull Out ITB Unit CAUTION Be sure to pull out the Fixing Feed Unit and ITB Unit to the position where latch is locked Reason Disengagement between the Positioning Pin of the Secondary Transfer Outer Unit and Shaft Support Member of the frame body of the ITB Unit becomes insufficient and it may cause damage when assembling the Intermediate Transfer Belt Unit 4 Remove ITB Cleaning Unit ...

Page 208: ... shaft 8 Open the intermediate transfer belt unit by approx 90 degree align the end of support shaft without groove with the hole of intermediate transfer belt unit frame and align the other end of groove on support shaft with the hole of intermediate transfer belt unit frame 9 Close the intermediate transfer belt unit and hook it to the support shaft to stand it ...

Page 209: ...10 Remove the patch sensor unit 11 Put a paper between the fixing feed unit and the ITB frame 12 Remove the ITB 13 While rotating the ITB Drive Motor clean the ITB Drive Roller in the vertical direction with dry lint free paper ...

Page 210: ...er 1 The roller to be cleaned with dry lint free paper Secondary Transfer Inner Roller 2 The rollers to be cleaned with a vacuum cleaner and lint free paper moistened with alcohol 1 Steering Roller 3 4 ITB Slave Rollers 4 CAUTION Rotate the rollers in the direction of the arrow shown in the figure below and clean them in the vertical direction When the Primary Transfer Roller is removed make sure ...

Page 211: ...emove the paper you placed and discard the toner according to the specified method 15 Install the removed parts in reverse order CAUTION Make sure to avoid the edge of the ITB displacement sensor lever from overlapping with the ITB at installation 16 ITB position shall be adjusted with a service mode whenever ITB pressure is released ITB positioning adjustment COPIER FUNCTION INSTALL INIT ITB CAUT...

Page 212: ...ere latch is locked Reason Disengagement between the Positioning Pin of the Secondary Transfer Outer Unit and Shaft Support Member of the frame body of the ITB Unit becomes insufficient and it may cause damage when assembling the Intermediate Transfer Belt Unit 4 Remove ITB Cleaning Unit 5 Remove Patch Sensor Unit 6 Remove the connector 7 Hold the grip and with opening the intermediate transfer be...

Page 213: ...ntermediate transfer belt unit frame and align the other end of groove on support shaft with the hole of intermediate transfer belt unit frame 9 Close the intermediate transfer belt unit and hook it to the support shaft to stand it 10 Remove the patch sensor unit 11 Remove the ITB 12 Hold the ITB lever and remove the support shaft that supports the ITB ...

Page 214: ... Hold the ITB s lever and store the support shaft 14 Put back the ITB unit 15 Place paper stacks or cardboards with cushioning characteristics 1 so that the frame of the Intermediate Transfer Belt Unit can be put on a flat surface ...

Page 215: ...he hole A of the frame of the Intermediate Transfer Belt Unit from the shaft 2 of the ITB Frame 18 Lift the frame 1 of the Intermediate Transfer Belt Unit and pull out the shaft 3 of the ITB Frame from the groove B of the frame of the Intermediate Transfer Belt Unit 19 Place the frame 1 of the Intermediate Transfer Belt Unit removed from the host machine on paper stacks or cardboards 2 to prevent ...

Page 216: ...20 Turn the lever 1 of the ITB to make a space A between the frame of the Intermediate Transfer Belt Unit and the Steering Roller 21 Remove the Gear Unit 1 2 Screws 2 22 Remove the ITB Drive Motor Unit 1 2 Connectors 2 6 Screws 3 ...

Page 217: ...2 10 11 12 23 Remove the ITB Drive Roller Unit 1 2 E rings 2 1 Gear 3 1 Parallel Pin 4 1 Bearing 5 24 Disassemble the ITB Drive Roller Unit 1 ITB Drive Roller 1 2 E rings small 2 1 E ring large 3 2 Gears 4 1 Bearing 5 ...

Page 218: ... reverse order 27 Install the removed parts in reverse order CAUTION Be sure to tighten the screw 3 last when installing the ITB Drive Motor Unit after installing the Drive Roller 1 to the frame 2 of the Intermediate Transfer Belt Unit CAUTION Make sure to avoid the edge of the ITB displacement sensor lever from overlapping with the ITB at installation 28 ITB position shall be adjusted with a serv...

Page 219: ... Work procedure 2 11 1 2 Remedy Replacing the Fixing Roller L ...

Page 220: ...t 4 Remove the Fixing Roller Unit 5 Remove the 2 Fixing Roller Bearings 2 Fixing Roller Insulating Bushes and Fixing Roller 2 C rings 1 press grounding plate 1 fixing gear with key material 6 Assemble a new Fixing Roller 2 new Fixing Roller Bearings and 2 new Fixing Roller Insulating Bushes together with the parts removed in step 5 in reverse order CAUTION Remove paper wrapped around the new Fixin...

Page 221: ...edy Install the Drum Shaft kit M Detailed work procedure Replacement Procedure 1 Open the front left cover and the front right cover 2 Loosen the 2 screws open the right side of process unit cover and move it to the right to remove ...

Page 222: ...ure 2 12 2 13 3 Remove the screw to remove the drum HP flag NOTE The removed screws and the flag will not be used 4 Remove the rear right cover 6 screws 5 Remove the Primary Charging High Voltage PCB Cover 3 Claws ...

Page 223: ...6 Remove the High Voltage Case 5 Edge Saddles 2 Wire Saddles 14 Connectors 5 Screws NOTE Marking numbering each connector makes the installation work more efficient NOTE The following shows the 5 screws of the High Voltage Case ...

Page 224: ... 2 12 4 13 7 After aligning the edge A of the flywheel and the edge B of the Drum Drive Unit remove the flywheel and the Gear Unit 1 Screw 8 Remove the Harness 6 Edge Saddles 15 Wire Saddles 1 Reuse Band 2 Connectors ...

Page 225: ... easily disconnected Be sure to free the High Voltage Cable from the Edge Saddle after pulling out the Drum Drive Unit a little 10 Lift the Drum Shaft Unit and remove it from the host machine 3 Screws CAUTION When installing the Drum Shaft Unit and the Drum Drive Unit to the host machine do not remove the 4 screws 1 securing the Process Unit on the front side of the machine FRONT ...

Page 226: ... mm each between the end face of the C ring and the bearing 12 Apply Super Lube about the size of a rice grain about 40mg evenly across the A part which is the side of the flange of the Drum Shaft the surface in contact with the Drum Flange 13 Apply grease about the amount of 3 rice grains about 120mg to the 30mm area at the leading edge of the circumference of the Drum Shaft A A A FRONT FRONT FRO...

Page 227: ...ly grease about the amount of 1 4 rice grain about 10mg to the leading edge of the C ring A CAUTION Be sure to attach the Positioning Plate so that its long hole 1 comes on the lower right side Be sure to tighten the screw for the long hole 1 first tighten those for the other 2 locations in any order REAR A ...

Page 228: ... sure that the Static Eliminator 3 is in contact with only the upper side of the Drum Shaft The Static Eliminator should not be on the lower side of the Drum Shaft CAUTION Points to Note after Installing the Drum Drive Unit Wipe grease off the Static Eliminator with lint free paper moistened with alcohol Grease can be easily removed by rotating the shaft clockwise with the lint free paper gently p...

Page 229: ... position 4 Screws 18 Check that the Process Unit can be smoothly pulled out and pushedback If it cannot be pushed back due to the Drum Shaft interfering with the drum remove the Drum Drive Unit again see step 9 and install it again 19 Secure the Process Unit 1 4 Screws 2 Process Unit ...

Page 230: ...Band 3 2 Connectors 4 21 After aligning the edge A of the flywheel with the edge B of the Drum Drive Unit install the flywheel and the Gear Unit 1 Screw Points to Note when Installing the Flywheel When tightening the screw be sure to hold the flywheel to prevent it from turning counterclockwise ...

Page 231: ...tion flag with the groove of the drum shaft When rotating the drum be sure to rotate it counter clockwise If it is rotated clockwise the drum surface might get damaged When the drum home position flag is set downward and installed be sure that the flag part is inserted to the A part of the drum home position sensor When tightening the screw be sure to do so while holding the Drum Home Position Fla...

Page 232: ...ll the new Drum Home Position Flag CAUTION Be sure to tighten the Stepped Screw to make the thickness of the spring 15 mm Tightening the screw makes the thickness 15mm naturally but be sure to check if it is securely tightened 23 Install the Process Unit Cover 15 mm Screw Spring Drum Home Position Flag ...

Page 233: ...ing to steps 5 and 6 of Removing the High Voltage Case NOTE Cable wiring diagram CAUTION Before installing the Drum Drive Unit in the frame of the host machine be sure to pass the High Voltage Cable through the Edge Saddle Installing the Rear Right Cover Closing the Front Left Cover and Front Right Cover Black Cable ...

Page 234: ...e for Replacing the ITB 1 Open the Front Left Cover and the Front Right Cover Replacement Procedure 2 Remove Process Unit Cover 3 Pull Out ITB Unit CAUTION Be sure to pull out the Fixing Feed Unit and ITB Unit to the position where latch is locked Reason Disengagement between the Positioning Pin of the Secondary Transfer Outer Unit and Shaft Support Member of the frame body of the ITB Unit becomes...

Page 235: ... Work procedure 2 13 2 8 5 Remove Patch Sensor Unit 6 Remove the connector 7 Hold the grip and with opening the intermediate transfer belt unit remove the support shaft ...

Page 236: ... of intermediate transfer belt unit frame and align the other end of groove on support shaft with the hole of intermediate transfer belt unit frame 9 Close the intermediate transfer belt unit and hook it to the support shaft to stand it 10 Remove the patch sensor unit 11 Put a paper between the fixing feed unit and the ITB frame 12 Remove the ITB ...

Page 237: ...ondary Transfer Inner Roller 2 1 ITB Drive Roller 3 The rollers to be cleaned with a vacuum cleaner and lint free paper moistened with alcohol 1 Steering Roller 4 4 ITB Slave Rollers 5 CAUTION Rotate the rollers in the direction of the arrow shown in the figure below and clean them in the vertical direction When cleaning the Primary Transfer Roller make sure to remove the ITB static eliminator fro...

Page 238: ...ION INSTALL INIT ITB Procedure for Replacing the Drum Cleaning Unit 1 Open the Front Left Cover and the Front Right Cover Replacement Procedure 2 Remove Process Unit Cover 3 Pull Out primary Charging Assembly 4 Pull Out Process Unit 5 Remove Drum Cleaning Unit Caution Preparation for installing the drum cleaning unit The drum cleaning unit assigned as parts is not supplied with toner hence it is n...

Page 239: ...ttle into the clearance A part between the magnet roller and the drum cleaning unit Caution When supplying the toner don t mix it with impure substance Caution Be sure that the toner is put evenly in the magnet roller 8 Install the drum cleaning blade cover 9 Install the removed parts in reverse order ...

Page 240: ...the ITB cleaning unit ITB cleaning unit assigned as a part is not supplied with toner hence it is necessary to supply the toner from the toner bottle in the content 5 Remove the cleaner cover and put it on a paper 4 screws 6 While rotating the gear evenly supply the toner from the enclosed toner bottle into the clearance A part between the magnet roller and the ITB cleaning unit Caution When suppl...

Page 241: ... Work procedure 2 13 8 8 Caution Be sure that the toner is put evenly in the magnet roller 7 Install the cleaner cover 8 Install the removed parts in reverse order ...

Page 242: ......

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Canon imagePRESS 1135 Series, Troubleshooting Manual

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