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7-4 Phaser 8400/8500/8550/8560 Color Printer Service Manual
Cleaning and Maintenance
Trays 2~4
Use off-the-shelf clear packaging tape and follow the procedures listed below
to clean the pick roller and pick pad for Trays 2~4. This cleaning method has
been found to be extremely effective for removing debris. Isopropyl alcohol,
while effective, tends to smear the debris, rather than remove it.
1. Remove the affected tray.
2. Peel off a strip of tape. Stretch the tape across the table with the sticky
side up. Fasten it to the table at both ends.
3. Remove the roller.
4. Roll the roller across the tape to remove the debris from the roller.
5. Locate a clean section of the tape, rub it onto the surface of the pick pad
for the paper tray, then remove it.
6. Replace the roller.
7. Reinsert the tray.
Drum Temperature Sensor
With a dry swab, clean any buildup around the Drum Temperature Sensor.
You can access the sensor through the opened Exit Cover. Also, make sure
the sensor rides evenly on the Drum surface. You can remove the sensor, if
necessary, to clean under it.
Maintenance
Drum Maintenance Kit
The printer uses the Drum Maintenance Kit as part of its self-maintenance
routine to coat the print Drum with oil before each print.
Drum Maintenance Kit Life
Standard/Startup
Maintenance Kit Life
P/N 108R00602 (8400)
P/N 108R00675 (8500/8550/8560)
Any Coverage* 10,000 cycles for black and white, 5500 cycles for
color (8500/8550).
10,000 cycles regardless of colors used (8400/8560).
Extended
Maintenance Kit Life
P/N 108R00603 (8400)
P/N 108R00676 (8550/8560)
0 - 20% Coverage* 30,000
20 - 100% Coverage* 20,000-30,000
*The image coverage is determined by counting the number of pixels imaged.