Lexmark T52 Series, Service Manual

Page: 31 / 334

Diagnostic Information
2-3
4520-xxx
914 DC Pick
Motor: No
encoder feedback Check the integrated paper tray (tray 1) for correct paper
loading. Reload the paper and POR the printer. If the
error continues, go to the
“Input Tray(s) Service Check”
on page 2-62 .
917 Transfer Roll Indicates a problem in the transfer roll area. Go to the
“Transfer Roll Service Check” on page 2-103 .
920 Fuser Error Indicates that the fuser is below temperature when
printing. Go to the
“Fuser Service Check” on page 2-56 .
921 Fuser Error Indicates that the fuser is below standby temperature
when the printer is idle. Go to the
“Fuser Service Check”
on page 2-56 .
922 Fuser Error Fuser failed to reach standby temperature. Go to the
“Fuser Service Check” on page 2-56 .
923 Fuser Error Fuser is too hot during printing or when printer is idle. Go
to the
“Fuser Service Check” on page 2-56 .
924 Fuser Error An open circuit has been detected in the Fuser
Thermistor Circuit. Go to the
“Fuser Service Check” on
page 2-56 .
925 Fuser Error Wrong fuser lamp installed. Check the fuser lamp for the
correct type of lamp that should be installed.
If the correct fuser lamp is installed and the 925 error
remains, the fuser may have reached standby
temperature too quickly. Check the following:
• The correct hot roll has been installed.
• The line voltage is not exceeding the maximum rating
for the printer.
929 Toner Sensor The toner sensor is not operating properly, the developer
drive assembly is not operating properly or the print
cartridge is defective. Go to the
“Toner Sensor Service
Check” on page 2-102 .
930 Printhead
Error The wrong printhead is installed. Replace with the
correct printhead.
Error Code Action