Troubleshooting - Xerox Phaser 7700 Service Manual

Troubleshooting

For Error Codes and Messages, refer to Diagnostics, Error Codes and
Messages on page 2-31.
The Phaser 7700 Printer has built-in diagnostics to aid in troubleshooting
problems with the printer. The Service Diagnostics Menu provides a means to
test sensors, motors and solenoids. Diagnostics also contains built-in test
prints, and calibration and cleaning procedures. For details on error codes,
messages and service diagnostics, Diagnostics, Error Codes and Messages
on page 2-31.
Note Before troubleshooting power supply problems,
disconnect
and restart
or refer to t
section.
This section is ordered
Troubleshooting Power
AC Power
Low-voltage Po
3.3 VDC and 5
24 VDC LVPS
24 VDC Interlo
5 VDC Interloc
System problems where
Printer does no
Fan on, Front P
Fan on, Front Panel LED on, no Front Panel message
Front Panel continually displays Xerox Phaser 7700 splash screen
Front Panel continually displays "WARMING UP"
Front Panel displays "FATAL FAULT ENCOUNTERED"
ary Feeder or Finisher, if installed,
r. Verify the problem is still present
riate Option troubleshooting
s:
and Interlocks
plies [LVPS]
PS
er will not come to "Ready."
en power is turned On
never On
Phaser 7700 Color Laser Printer Service Manual 3-87