Lexmark X342N - Multi Function Printer Service Manual page 25

Symptom
Toner on back of page
Paper jams
Main motor noisy or does not
move
Paper never picks
Paper feeds continuously
Skewed paper
Paper wrinkled or bent
Top cover will not close
Operator panel button does not
respond
Operator panel light does not light
or is very dim
Fan noisy or not working
Dead machine (no power)
Paper does not feed into the ADF
MFP produces a black page when
copying a document.
Paper jams in ADF.
False Open ADF Cover
Remove Paper
9.7.01 service transfer error is
displayed
SucERR:900xx No Modem is
displayed
Device does not power up after
flashing firmware.
Device does not show it's status
on the operator panel when the
firmware is being flashed.
Action
See "Toner on back of page" on page
See "Paper feed service checks" on page
See "Main motor service check" on page
See "Paper never picks" on page
See "Paper picks during POST and/or continuously" on
page 2-29.
Printhead misalignment results in skewed horizontal lines but a
consistent margin top to bottom of page. Paper feed misalignment
results in entire image rotated on the paper. See
service checks" on page
See "Paper "trees," wrinkles, stacks poorly or curls" on
page 2-30.
See "Controller card service check" on page
See "Operator panel service check" on page 2-27
card service check" on page
See "Controller card service check" on page
See "Cooling fan service check" on page
See "Dead machine service check" on page
See "ADF service check" on page
See "CCD service check" on page
See "ADF service check" on page
See "ADF service check" on page
Check the connection at J7 on the controller card. Inspect the cable
if the connection is ok. Replace the power supply if needed.
Inspect the modem cable. Reinsert the cable if necessary.
Do not power the device down. It will automatically reboot. Power the
device down, wait a few minutes and reboot.
Make sure the device is in Ready mode before flashing the firmware.
2-33.
2-29.
2-25.
2-29.
"Paper feed
2-29.
2-21.
or
2-21.
2-21.
2-20.
2-22.
2-19.
2-20.
2-19.
2-19.
Diagnostic information
7003-XXX
"Controller
2-3