Xerox 7300B - Phaser Color Laser Printer Service Manual page 115

.
Troubleshooting Procedure
Step Question or Action
1 Print the Repeating Defects page and compare
to the customer's print to determine if the defect
is Fuser or Imaging Unit related.
Is the defect repeating at 94 mm?
2 Perform the Remove Print Smears from the
printer's front panel to clean the fuser.
Reprint. Did this correct the problem?
3 Check the front panel media settings.
Is the customer using the correct setting for the
media loaded in the tray?
4 Try setting the front panel media type to the
next lightest type of paper than that loaded in
the tray.
See "Fuser Temperature Settings" on
page 8-237
Did this correct the problem?
5 Remove the covers on the Fuser and ensure
the thermistors are in contact with the upper
and lower rollers.
6 Use service diagnostics to run a test print and
monitor the Fuser temperature.
Is the temperature within it's optimal range?
See "Fuser Temperature Settings" on
page 8-237
Troubleshooting
.
.
Yes No
Replace the Go to step [2].
Imaging Unit.
Complete Go to step [3].
Go to step [4]. Advise the
customer of the
correct media
settings.
Advise customer Go to step [5].
of the
appropriate
media type
selection.
Replace the Go to step [6].
Fuser.
Replace the Replace the
Fuser. Engine
Controller
Board.
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