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5-2
CHAPTER 5 TROUBLESHOOTING PAPER FEED PROBLEMS
1. Pick-Up Assembly
2. Separation/Feeding Assembly
Cause Step Checks YES/NO Remedies
Copy paper 1 Try copy paper of a type
recommended by Canon.
Is the problem corrected?
YES Advise the user to use
recommended paper.
2 Is the copy paper curled or wavy,
or otherwise deformed?
YES Replace the copy paper;
advise the user on the
correct method of storage.
Pick-up sensor lever 3 Is the movement of the pick-up
sensor lever smooth?
NO Adjust the movement of
the pick-up sensor lever.
Spring (pick-up guide
plate;PC420/430/
FC220)
4 Check the movement of the pick-
up guide plate found under the
pick-up roller. Is its movement
smooth?
NO Check the position of the
spring of the pick-up guide
plate.
Pick-up roller 5 Is the pick-up roller deformed or
worn?
YES Replace the pick-up roller.
Spring (for pick-up
control),
Spring clutch
(PC420/430/FC220)
NO 1. Check the spring.
2. Check the spring clutch.
Cause Step Checks YES/NO Remedies
Copy paper 1 Try paper of a type recom-
mended by Canon.
Is the problem corrected?
YES Advise the user to use
recommended paper.
2 Is the copy paper curled or wavy,
or otherwise deformed?
YES Replace the copy paper;
advise the user on the
correct method of storage.
Feeding assembly 3 Is foreign matter found in the
feeding assembly?
YES Remove the foreign
matter.
Static eliminator 4 Is the static eliminator soiled with
toner?
YES Clean the static eliminator.
Registration roller 5 Is the registration roller worn,
deformed, or soiled?
YES If dirt is found, clean it
using alcohol; if worn or
deformed, replace it.
Spring (for registration
control),
Spring clutch
(registration assembly)
NO 1. Check the spring.
2. Check the spring clutch
in the registration
assembly.