Lexmark C734 - 920.11-POST (Power-On Self Test)-Two Toner Sensors Not Connected Error Service; Check

2-100 Service Manual
5026
920.11—POST (power-on self test)—Two toner sensors not connected error service
check
Step Questions / actions Yes No
1 Remove the left cover. See “Left cover
removal” on page 4-21. Check all the toner
level sensor cables connected to the rear of
the HVPS.
Are any of the cables damaged?
If only one of the toner level
sensor is damaged:
• Disconnect the sensor.
• Go to step 6.’
If two toner level sensors
are damaged, replace the
damaged sensors. See
“Toner level sensor
removal” on page 4-146.
Go to step 2.
2
Disconnect one of the toner level sensors and
POR the printer.
Does the 920.11 error occur again?
• If the error recurrs, then
this sensor is one of the
bad sensors.’
• Continue disconnecting
the toner level sensors
until two sensors are
disconnected and the
920.11 error occurs.
• Replace the toner level
sensors that are
disconnected. See
“Toner level sensor
removal” on
page 4-146.
Repeat this step for the
other toner level sensors
until the 920.11.