Paper Feed Service Check - Lexmark 4227-100 Service Manual

4227-100

Paper Feed Service Check

Note: If the problem is frequent jams or paper creases, verify that
the paper is neither very thick nor very thin. If necessary refer the
customer to the User's Guide for specifications of acceptable
papers.
FRU / Symptom
1 Auto Sheet
Feeder
2 Tractor 2
3 Paper Feed Motor
Action
If the Auto Sheet Feeder is installed, remove it.
Enter the Paper Handling Options Menu and
set "ASF" to off. Verify that the machine works
correctly without the ASF installed.
If the printer fails only with the Auto Sheet
Feeder installed, go to the
(ASF) Service Check" on page
If the Tractor 2 option is installed, remove it.
Verify that the machine works correctly without
Tractor 2 installed.
If the printer fails only with Tractor 2 installed,
go to the "Tractor 2 Service Check" on page
2-32.
If there is no paper motion, disconnect the
paper feed motor connector CN10 from the
main logic board.
Check the resistance of pins:
CP-1 and 6, 2 and 5, 3 and 6, and 4 and 5.
All resistances should be 5.8
pin should have continuity to ground.
Diagnostic Information 2-21
"Auto Sheet Feeder
2-12.
0.5 ohms. No
±