User`s guide

Flowcharts and TablesTroubleshooting
Table 5. Paper-Jam LED is On After Printer Warmup
Step Check Result Action
1 Is the delivery/interlock
sensor snagged?
Ye s
Remove the top cover and delivery roller
assembly, and unsnag the sensor spring.
The spring should be straight. If the
actuator is snagged, it will not spring
back and forth as you try to trip it.
2 Is the delivery-sensing lever
snagged?
Ye s
Remove the top cover and delivery roller
assembly and see what is snagging the
lever. If necessary, remove and
dismantle the fuser assembly and
replace the delivery-sensing lever.
3 Is the registration-sensing
lever snagged?
Ye s
If the lever is broken or snagged, remove
the pickup block and troubleshoot
further. If necessary, replace the sensor
holder assembly.
4 Remove the rear panel, I/O
shield, top cover, and
delivery roller assembly. Is
the purple cable between the
delivery/interlock sensor and
the DC controller board
securely connected?
No
Secure the cable.
5 Place probes between J208-
2 (GND) and J208-3 (PSNS).
Does the voltage rise to 5 V
as you open the fuser door?
No
Replace the delivery/interlock assembly.
6 Place probes between
J201-7 (+5 V) and J201-1
(GRD) on the DC controller
board. Does the voltage
measure 5 V?
No
Replace the DC controller board.