J-6. Fixing and delivery block
<Possible causes>
1. Pressure roller does not rotate smoothly.
Action:
Check the gears and replace if any worn or fractured gear is found.
2. Fixing unit entrance guide has projections due to dirt, scars or toner.
Action:
Clean the fixing unit entrance guide.
3. Fixing film unit or pressure roller has projections due to dirt, scars or toner.
Action:
Clean the dirty part(s).
4. Fixing film unit or pressure roller is deformed or scarred.
Action:
Replace the deformed or scarred part(s).
5. Nip width is not within the specification.
Action:
Replace the fixing unit.
6. Fixing unit delivery sensor lever does not move smoothly, or is damaged.
Action:
Adjust the lever so that it moves smoothly. Replace it if damaged.
7. Worn fixing unit delivery roller
Action:
Replace the fixing unit delivery roller.
8. Fixing unit delivery roller does not rotate smoothly.
Action:
Check the gears and replace any worn or fractured gears.
9. Deflector has projections due to dirt, scars or toner.
Action:
Clean the deflector.
10. Worn face-down delivery roller
Action:
Replace the face-down delivery roller.
11. Face-down delivery roller does not rotate smoothly.
Action:
Check the gears and replace any worn or fractured gears.
12 Face-down tray paper full sensor lever does not move smoothly, or is damaged.
Action:
Adjust the lever so that it moves smoothly. Replace it if damaged.
13. Poor linkage between the delivery sensor lever on the fixing unit and the arm on the engine
controller.
Action:
Rejoin the fixing unit with the engine controller properly.
14. Defective engine controller PCB
Action:
Replace the engine controller PCB.
J-7. Duplexing feed block
<Possible causes>
1. Paper is curled due to having been left for a long time.
Action:
Straighten the paper, and then instruct the user.
4 - 20
CHAPTER 4
Summary of Contents for LBP1760P
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Page 222: ...C Clutches Solenoids Figure 4 9 4 4 60 CHAPTER 4 SL102 CL101 SL101 SL701...
Page 224: ...D Motors Others Figure 4 9 6 4 62 CHAPTER 4 FM101 H901 M101 FM701 M702 M701...
Page 226: ...E PCBs Figure 4 9 7 4 64 CHAPTER 4...
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Page 270: ...COPYRIGHT C 1998 CANON INC CANON LBP 1760 REV 0 MAY 1998 PRINTED IN JAPAN IMPRIME AU JAPON...
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Page 312: ...COPYRIGHT C 1998 CANON INC CANON LBP 1760 REV 0 MAY 1998 PRINTED IN JAPAN IMPRIME AU JAPON vi...
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