T-1. Manual Feed Unit; Cassette Pickup Assembly - Canon LBP-CX Series Service Manual

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T-1.1
Manual feed unit
Cause Step
Check
Result Measure
Print paper
l
Is manufacturer-approved paper
YES Advise the customer to use manu-
being used?
facturer-approved paper.
2 Is paper wrinkled or curled? YES
Replace the paper.
Inform the customer of the correct
method of storing paper.
Paper detection
3
Does the arm move smoothly?
NO
Adjust the arm motion.
arm 1
Lower roller
4 Is there deformation due to wear?
YES Replace the roller if worn.
Is the roller dirty?
Clean with alcohol.
Guides
5 Are guides deformed?
YES
Replace deformed guides.
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T-2.
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Cassette pickup assembly
Cause
Step Check
Result Measure
Cassette loading 1 Is the internal cassette loaded with YES Advise the customer to remove the
capacity, print
more than 1 Omm of paper?
excess paper.
paper
2 Is manufacturer-approved paper
NO
Advise the customer to use manu-
being used? facturer-approved paper.
3
Is paper wrinkled or curled?
YES Replace the paper.
Is damp paper being used? Show the customer how to store
paper.
Cassette position 4 Is the cassette spring lifting force
NO
Show the customer how to insert
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as specified? Refer to table 7-2
the cassette.
in this chapter.
Cassette springs 5
Is the cassette spring lifting force
NO
Check the movement of the cassette
as specified?
plate. If
OK,
replace the 2 springs.
Cassette hold-
6
Is the left or right cassette hold- YES Replace the hold-down tabs.
down tabs down tab deformed?
Pickup rollers 7
Are any pickup rollers YES
Replace the pickup rollers as
deformed or worn?
required.
Pickup control 8
Is the clutch spring deformed, YES Replace the clutch spring.
unit
rusty or worn?
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T-3.
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Separation/feeder unit
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Cause Step
Check
Result
Measure
Separation belt
l Is the separation belt damaged
YES Replace the belt.
or twisted?
2 Is the belt inside out?
YES
Reinstall correctly.
Separation/feeder
3 Is any roller dirty or worn?
YES
Clean dirty rollers.
unit
Replace the separation/feeder unit
if rollers are badly worn.
4
Do pinch rollers press firmly against
NO
Replace the pinch roller spring.
separation and feeder rollers?
Feeder rollers
5 Are the feeder rollers dirty or worn?
YES
Clean with alcohol if dirty and replace
if worn.
Transfer guides
6
Are the transfer guides deformed
YES
Replace the guides.
in any way?
COPYRIGHT
©
BY CANON INC. CANON LBP-CX SERIES REV.2 JULY 1985 PRINTED IN JAPAN (IMPRIME AU JAPON)
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