Non 9Xx Service Errors; Error; Description; Action - Lexmark 7003-050 X340n Service Manual

7003-XXX
Service error codes (9xx) (Continued)

Error

Description

929 Toner Sensor
931 Printhead Error—no
first hsync
932 Printhead—lost hsyncs
934 Printhead—mirror
motor lost lock
935 Printhead—mirror
motor unable to reach
operating speed.
936 Transport motor —
initial lock failure
937 Transport motor — lost
lock
941 Scanner — AFE R/W
Error for scanner
942 Scanner — Home
sensor error
943 Scanner — Motor stall
944 Scanner — Lamp error
948 Fax Storage
953 NVRAM Failure
960 RAM soldered on the
card is bad

Non 9xx service errors

Error
Scanner Locked
Unlock Scanner
Open ADF cover
Remove Paper
2-8
Service Manual

Action

The toner sensor is not operating properly, the developer drive assembly
is not operating properly, or the toner cartridge is defective. See
sensor service check" on page
Check for unplugged printhead (J12 on the controller card), faulty
cabling, or faulty printhead.
Replace the printhead.
Replace the printhead.
Faulty printhead, cabling, or connector.
Indicates a problem with the main drive motor or a jam occurred during
the motor ramp-up to speed.
Faulty motor or a jam occurred after motor ramp-up to speed. Possible
problem with the main drive.
Replace the controller card.
See "CCD service check" on page
Restart the MFP. If the problem remains, replace the CCD unit.
Restart the MFP. Verify that the lamp is not illuminating during the
startup. See "CCD service check" on page
There is an unrecoverable problem with the flash file system used for fax
storage.
Replace the controller card.
Indicates a DRAM Memory Error on the controller card. Replace the
controller card.
Description
Scanner CCD module is
locked.
Paper jammed in the
ADF module.
2-38.
2-20.
Action
Lift flatbed cover and move the sliding switch, located to
the left of the flatbed, to the unlocked position.
Remove the paper from the ADF. If this does not remedy
the problem see "ADF service check" on page
"Toner
2-20.
2-19.