Lexmark 7003-050 X340n, Service Manual

Page: 24 / 162

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