Reset Consumable Counts - Xerox 7300B - Phaser Color Laser Printer Study Manual

Transfer Unit
The Transfer Unit serves two functions. The belt charges the paper to transport it past the Imaging
Units. The Transfer Unit also presses the paper against the Imaging Units so that toner is
transferred to the paper. A Front Panel message indicates when to replace the Transfer Unit.
Troubleshooting the Transfer Unit
For troubleshooting procedures related to the Transfer Unit, refer to the troubleshooting chart and
the print quality troubleshooting charts located at the end of this worksheet.
Remove and Replace the Transfer Unit
In this exercise, you will remove and replace the Transfer Unit.
Using the Transfer Unit instruction sheet, remove and replace the Transfer Unit while observing
the procedure closely.
Transfer Unit life Expectancy
The life expectancy of the Transfer Unit is up to 80,000 pages based on one-sided, five-page
print jobs.
Multiple short print jobs (less than 5 pages) reduce the life expectancy of the Transfer Unit. Life
expectancy is also reduced each time the top cover is opened and closed, when the printer is
turned off and then on, when printing on transparencies or specialty papers, and when making
two-sided prints.

Reset Consumable Counts

The Fuser, Transfer Unit, and Imaging Units each contain a fuse that indicates to the printer if the
supply is new or used:
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The Error Messages and Codes section of the Phaser 7300 Color Printer
Service Manual contains a comprehensive list of troubleshooting
procedures for error messages that may appear on the Front Panel.
Refer to the Transfer Unit instruction sheet on the Phaser 7300 Customer
Support Training CD-ROM for information on replacing the Transfer Unit.
To save time, the Transfer Unit may be removed without first removing the
Fuser. The instruction sheet indicates the Fuser should be removed to
ensure there is adequate clearance for replacing the Transfer Unit.
Conductive fuse - printer determines the consumable is new
Blown fuse - printer determines the consumable is used
PHASER 7300 CARE WORKSHEET
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