Specifications

3
Flowcharts and TablesTroubleshooting
Table 8. Select 310 or 360 I/O Board Error – Parallel Connection
Step Check Result Action
1 Are the parallel cable
connections correct and
secure?
No Tighten cable connections.
2 Are the parallel cables and
connectors good?
No Replace the defective cables and
connectors.
3 Are the software and
hardware properly
configured to communicate
with the parallel port on the
printer?
No Refer to the printer’s owner’s guide
and the computer documentation for
proper configuration. Switch the
printer off and on again. If the problem
persists, install a different I/O board.
Table 9. Temperature Sensor Assembly Failure
Step Check Result Action
1 After allowing the fuser
assembly to cool to room
temperature, remove the
fuser assembly from the
printer. Measure the
resistance between J101-1
and J101-4 on the fuser
assembly. Is the resistance
between 200 k Ω and
350 k Ω ?
No Replace the sensor assembly.
Table 10. Toner Cartridge Sensor Failure
Step Check Result Action
1 Switch off the printer.
Connect a multimeter
between P15-8 (5 VB) and
P11-2 (GND) on the DC
controller board. Does the
voltage measure +5 VDC
when you switch on the
printer?
No Go to Table 12, Power Supply Failure
(+5 VDC).