Shutdowns - Xerox 3001 Service Manual

OF 4 Shutdowns
Copier stops in the middle of a copy job and
returns t o the Rest mode. The copier i s
protected by a circuit called the Watchdog
Timer. The Watchdog Timer circuit monitors the
5 VDC logic voltage. If this voltage goes out of
range, the Watchdog Timer returns the copier to
the Rest Mode.
Perform the following checks:
Check that the power
i s
within
specification at the AC wall outlet. If
not, notify the customer.
Check that the copier is the only device
on the circuit. If not, notify the
customer.
Ensure that the AC hot, Neutral and
Ground of the wall outlet is wired
correctly. If not, notify the customer.
Check that the Right Side Cover is secure
correctly and actuating the AC interlock.
Ensure that the AC interlock i s
functioning correctly and not damaged.
Replace if required
(PL 1.1).
Check the fuser connector PlJ37 for burn
marks or heat discoloration (brown or
black in color).
If the shut down is intermittent, or to
the Power Saver mode, this could
indicate the Latching Cover may be
moving or vibrating open.
Check the following:
0
Fuser Oil is sufficient
Xerograpic Module latch is
engaged.
Worn fuser drive gears
damaged latch springs
OF 4 Shutdowns