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Troubleshooting
100 Phaser 7800 Color Printer
User Guide
General Troubleshooting
This section includes:
Printer Does Not Turn On ............................................................................................................................................ 100
Printer Resets or Turns Off Frequently ................................................................................................................... 101
Printing Takes Too Long .............................................................................................................................................. 101
Document Prints From Wrong Tray ........................................................................................................................ 101
Document Fails to Print ............................................................................................................................................... 102
Printer is Making Unusual Noises ............................................................................................................................. 102
Automatic 2-Sided Printing Problems .................................................................................................................... 102
Date and Time Are Incorrect ..................................................................................................................................... 103
This section contains procedures to help you locate and resolve problems. Resolve some problems by
simply restarting the printer.
Printer Does Not Turn On
Probable Causes
Solutions
One of the power switches is not turned on.
Turn off both of the power switches. The Main Power switch is
behind the front door and the Secondary Power switch is on the top
of the printer. Wait two minutes, then turn on both of the switches.
For details, see Turning the Printer On and Off on page 28.
The power cord is not correctly plugged into
the outlet.
Turn off the printer power switch, and plug the power cord securely
into the outlet. For details, see Turning the Printer On and Off on
page 28.
Something is wrong with the outlet connected
to the printer.
Plug another electrical appliance into the outlet and see if it
operates properly.
Try a different outlet.
The printer is connected to an outlet with a
voltage or frequency that does not match the
printer specifications.
Use a power source with the specifications listed in the Electrical
Specifications on page 166.
CAUTION: Plug the three-wire cord with grounding prong directly into a grounded AC outlet.