Lexmark 4090-001 - Manual (Page 17)

Diagnostic Information 2-6
4090-001
Service Checks
Envelope Feed Service Check
First Print Line Service Check
FRU Action
1 Envelope Guide Be sure the envelope guides have been turned
to the envelope load positions.
Be sure the envelope guides are against the
envelopes.
Perform the ’Paper Feed Service Check’ on
page 2-8 .
FRU Action
1 End-of-Forms
Flag Check the flag for binds or damage.
2 End-of-Forms
Sensor Check the sensor for dirt.
3 System Board Perform the ’Paper Sensor Test’ on page 3-4 to
check the end-of-forms sensor on the system
board.
4 Feed Arm
Assembly Check all parts of the feed arm assembly for
binds, wear, or damage.