Lexmark Optra E 4026-0 Series Reference Handbook page 203

Error Code Message Table (Continued)
Error Code
917 Transfer Roll Error
918 Transfer Roll Error
920 Fuser Error
921 Fuser Error
922 Fuser Error
923 Fuser Error
924 Fuser Error
927 Fan Stalled
8-6
Laser Printer Reference Handbook
Explanation
Cannot start servo operation. 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. If the error persists,
replace the HVPS and cable.
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.
Fuser is below temperature while printing.
Refer to the Fuser section (920, 921 or
922 Error), in the Service Manual.
Fuser is below standby temperature when
idle. Refer to the Fuser section (920, 921
or 922 Error), in the Service Manual.
Fuser failed to reach standby
temperature. Refer to the Fuser section
(920, 921 or 922 Error), in the Service
Manual.
Fuser is too hot while printing or when
idle. Refer to the Fuser section (923 or
924 Error), in the Service Manual.
Open detected in thermistor circuit. Refer
to the Fuser section (923 or 924 Error), in
the Service Manual.
Refer to the Fan section (927 Error), in
the Service Manual.