Lexmark 4039-1XX - Manual (Page 22)

8 Service Manual
4039-1XX
918 Transfer Roll Error Servo Failure. Verify correct cable
connections from the Engine board to
the HVPS. Make sure there is continuity
between the transfer roller and its
contact on the HVPS; replace the
transfer roll if the continuity is correct. If
there is no continuity, make sure the
HVPS contact returns to its upward limit
when depressed, and make sure the left
bearing of the transfer roll is making
proper contact.
920 Fuser Error Fuser is below temperature while
printing. See “Fuser: 920, 921, or 922
Error” on page 20.
921 Fuser Error Fuser is below standby temperature
when idle.
See “Fuser: 920, 921, or 922
Error” on page 20.
922 Fuser Error Fuser failed to reach standby
temperature.
See “Fuser: 920, 921, or
922 Error” on page 20.
923 Fuser Error Fuser is too hot while printing or when
idle.
See “Fuser: 923 Error” on page 21.
927 Fan Stalled See “Fan (927 Error)” on page 19.
931 Printhead Error No first hsync. See “Printhead” on
page 27.
932 Printhead Error Lost hsync. See “Printhead” on page 27.
934 Printhead Error Lost lock condition. See “Printhead” on
page 27.
935 Printhead Error Mirror motor unable to reach operating
speed.
See “Printhead” on page 27.
941 System Board ROM SIMM failed CRC; code data or
font data. Run the diagnostic Memory
Test for ROM. Replace the SIMM if the
test fails or the problem recurs after
POR; replace the system board if the
SIMM does not fix the problem.
944 System Board RIP processor failure. Replace the
system board.
945 System Board ASIC 1 failure. Replace the system
board.
Error/Code Action