Paper Feed Service Check - Lexmark Forms Printer 2400 Service Manual

24xx

Paper Feed Service Check

Note: If paper creases or jams frequently, verify the paper is neither
too thick nor thin. If necessary, refer the user to the User's Guide for
specifications of acceptable papers.
If the paper does not stop in the correct location, see
Present Sensor Service Check" on page 2-22
Forms Service Check" on page
FRU / Symptom
1 Auto Sheet
Feeder
2 Gear Train
3 Paper Selector
Lever
2-32.
Action
If the Auto Sheet Feeder is installed, remove it.
Enter the Setup Menu and reset ASF to off.
Verify that the printer works correctly without
the ASF installed.
If the printer fails only with the Auto Sheet
Feeder installed, go to
(ASF) Service Check" on page
Remove all paper from the printer.
Press FormFeed several times and examine
all rotating parts to find the problem.
The feed rollers and pinch roller should all be
clean and in good condition and should all
rotate when pressing FormFeed.
Be sure the selector lever alternately engages
and disengages the tractor gear and the ASF
drive gear.
Check the operation of the following parts as
you move the paper select lever:
• The tractor gear engages correctly in the
continuous forms position.
• The tractor belts are in good condition and
rotate correctly.
• The pinch roller shafts move downward as
the lever moves to the cut sheet position.
• The paper separator moves upward as the
lever moves to the cut sheet position.
"Paper
and the
"Auto Sheet Feeder
2-14.
Diagnostic Information
"Top-Of-
2-23