Lexmark 1020 - Manual (Page 21)

Diagnostic Information 2-11
4078-00X
Paper Path Service Check
Examine the machine for the following before you begin this service
check:
•
Check the entire paper path for obstructions.
•
Be sure the correct type of paper is being used.
•
Be sure the printer is installed on a flat surface.
7 End of Forms
Sensor Check the sensor for dirt. Perform the “EOF and
Home Position Sensors Test” on page 3-2 , to
check the end of forms sensor on the system
board. If the test fails, replace the system board.
FRU Action
1 Large and Small
Feed Rollers Check for wear and binds.
2 Small Feed Roller
Springs Check for damage.
3 Auto Sheet
Feeder Check the pick rollers for wear.
4 Mid Frame Asm
Access Cover
Asm Check the following for wear:
• Friction wheels
• Exit roller
• Star rollers
5 End-of-Forms
Flag Check for binds or damage.
FRU Action