Specifications

Flowcharts and TablesTroubleshooting
Main Motor Failure (Continued)
Step Check Result Action
5 Switch off the printer and
connect a multimeter
between each of the
following pairs of pins:
• P14-1 (A-COM 24V) and
P14-3 (A)
• P14-1 (A-COM 24V) and
P14-5 (/A)
• P14-2 (B-COM 24V) and
P14-4 (B)
• P14-2 (B-COM 24V) and
P14-6 (/B)
Is the resistance
approximately 5 ohms?
No
Ye s
Replace the main motor.
Replace the DC controller board. If
the problem persists, replace the
main motor.
Table 2. No Power to Fan
Step Check Result Action
1 Is a toner cartridge installed
in the printer?
No Install a toner cartridge.
2 Is the AC outlet providing
the correct voltage?
No Try another AC outlet.
3 Is connector P119 making
good contact with the paper
delivery sensor?
No Reconnect connector P119 to the
paper delivery sensor.
4 Inspect the paper delivery
sensor. Does the lever on
the fuser assembly cover
the paper delivery sensor
when no paper is present
and uncover the sensor
when paper passes through
the fuser assembly?
No Install the paper delivery sensor so
that it makes contact with the delivery
sensor lever. If the problem persists,
replace the delivery sensor lever.