Lexmark MX610 Service Manual page 56

Action
Step 4
POR into the Diagnostics menu and perform a sensor test:
Diagnostics Menu > Base Sensor Test > Input.
Does the sensor state on the control panel display change when it is
toggled?
Step 5
Does the error remain?
Sensor (input) early/late arriving service check
Action
Step 1
Check the paper source.
Is the paper from the MPF?
Step 2
Check the MPF pick roller and separator pad for damage and
contamination.
Are they free of damage and contamination?
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?
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?
Step 5
Check the input sensor area for jammed media fragments.
Is the paper path free of partially fed or jammed media?
Yes
Go to step 5.
Contact the next level
of support.
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
Go to step 6.
Diagnostic information
56
7016
No
Replace the input
sensor. See "Duplex
sensor and input
sensor removal" on
page 300.
The problem is solved.
No
Go to step 5.
Replace the MPF pick
roller and separator
pad. See "MPF pick
roller removal" on
page 288 and
"Separator pad
removal" on page
295.
Replace the MPF
solenoid. See "MPF
solenoid removal" on
page 243.
Replace the MPF
gearbox. See "MPF
gearbox removal" on
page 245.
Clear the paper path of
any media fragments.