Lexmark X642e Service Manual page 68

7002-xxx
Service error codes (9xx.xx) (continued)
Error Sub
Display text
code codes
925 .52 Too hot to do lamp
detection and NVRAM
bit indicates previous
wrong lamp detected.
Fuser page count
stopped at 500,000 to
preserve data.
925 .91 Lamp detection
performed and found
error. Writes to the fuser
information chip have
been disabled due to a
previous write failure.
925 .92 Too hot to do lamp
detection and NVRAM
bit indicates previous
wrong lamp detected.
Writes to the fuser
information chip have
been disabled due to a
previous write failure.
927 .00 Service fan error.
927 .01 Main fan stalled.
927 .02 Cartridge fan stalled.
927 .03 Main fan took too long to
ramp up.
927 .04 Main fan underspeed or
stalled during speed
adjustment state.
927 .05 Main fan overspeed
during speed
adjustment state.
927 .06 Main fan capture data is
invalid and speed
control is at maximum in
fan control idle state.
2-30
Service Manual
Description
Attempting to POR machine after
receiving a 925.01.
• 115 V lamp in 220 V printer.
• Lamp has excessive wattage.
Attempting to POR machine after
receiving a 925.01.
• Loose connector.
• External blockage of the fan,
preventing it from turning.
• Bad fan.
• External blockage of fan
• Fan may not turn due to internal
fan problem.
• Loose connector.
• External blockage of the fan,
preventing it from turning.
• Bad fan.
• Loose connector.
• External blockage of the fan,
preventing it from turning.
• Bad fan.
• Corrupted feedback signal.
• Fan input voltage may be too
low.
• Corrupted feedback signal.
• Fan input voltage may be too
low.
Corrupted or non-existent feedback
signal.
Action
Go to "925.xx—Hot fuser service
check" on page 2-137.
Go to "925.xx—Hot fuser service
check" on page 2-137.
Go to "925.xx—Hot fuser service
check" on page 2-137.
Go to "Main fan service check" on
page 2-119.
Go to "Main fan service check" on
page 2-119.
Go to "Cartridge fan service
check" on page 2-119.
Go to "Main fan service check" on
page 2-119.
Go to "Main fan service check" on
page 2-119.
Go to "Main fan service check" on
page 2-119.
Go to "Main fan service check" on
page 2-119.