Lexmark XM3150 - Page 76

Sensor (input) early/late arriving service check
Action Yes No
Step 1
Check the paper source.
Is the paper from the MPF?
Go to step 2. Go to step 5.
Step 2
Check the MPF pick roller and separator pad for damage and
contamination.
Are they free of damage and contamination?
Go to step 3. Replace the MPF
pick roller and
separator pad. See
“MPF pick roller
removal” on
page 314 and
“Separator pad
removal” on
page 320.
Step 3
Check the MPF solenoid for proper operation:
a Remove the left cover.
b POR into the Diagnostics menu and perform a feed test:
Diagnostics Menu > Input Tray Tests > Feed Test >
Multipurpose feeder
c Check if the MPF solenoid moves when doing the feed test.
Does it move when doing the feed test?
Go to step 4. Replace the MPF
solenoid. See
“MPF
solenoid removal”
on page 268.
Step 4
Make sure the MPF gearbox spring is properly installed and free
of damage. Check the MPF gearbox for wear or damage.
Are they free of wear or damage?
Go to step 5. Replace the MPF
gearbox. See
“MPF
gearbox removal”
on page 270.
Step 5
Check the input sensor area for jammed media fragments.
Is the paper path free of partially fed or jammed media?
Go to step 6. Clear the paper path
of any media
fragments.
Step 6
Check the media present sensor and media present sensor flag
for:
• Proper operation
• Wear or damage
Do they properly operate, and are they free of wear or damage?
Go to step 7. Replace either the
media present
sensor or media
present sensor flag,
or both.
See:
• “Media present
sensor removal”
on page 328
• “Media present
sensor flag
removal” on
page 332
7016
Diagnostic information
76