Xerox Phaser 8860, Руководство по обслуживанию

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09/2007
3-20 Phaser 8860/8860MFP Service Manual
IQ26, IQ27
Initial Issue Image Quality
IQ26 Vertical Lines Appear Wavy
This RAP addresses image quality problems associated with the Print Engine. Wavy or ill-
formed vertical lines typically result from excessive Drum oiling. An error in X-Axis or Y-Axis
motion could also cause this problem. Wavy vertical lines can appear as follows:
Figure 1 Example of Wavy Vertical Lines on Output
Initial Actions
1. Check that supported media is being used.
2. Check the Drum Maintenance Kit.
Procedure
IQ27 Oil Streaks on Print
This RAP addresses image quality problems associated with the Print Engine. Oil streaking
typically results from excessive Drum oiling. An problem with the Drum Maintenance Kit is the
likely cause. Oil streaks can appear as follows:
Figure 1 Example of Oil Streaks on Output
Initial Actions
1. Check that supported media is being used.
2. Check the Drum Maintenance Kit.
3. Run the Remove Print Smears routine.
Procedure Table 1 IQ26 Vertical Lines Appear Wavy
Step Questions and Actions Yes No
1 Check and clean the Drum Maintenance Kit
Wiper Blade.
Does the problem persist? Replace the Drum
Maintenance Kit. If
the problem per-
sists, go to Step 2. Complete.
2 Check X-Axis motion.
Verify that there is nothing interfering with X-
Axis motion.
Replace any defective parts found.
Does the problem persist? Go to Step 3. Complete.
3 Check Y-Axis motion.
Run the Service Diagnostics Y-Axis Encoder
test.
Does the problem persist? Go to Step 4. Complete.
4 Check the Drum maintenance Cam Roller
and Pivot Plate are functioning correctly.
Run the Service Diagnostics Drum Mainte-
nance tests.
Does the problem persist? Replace any
defective parts
found. Complete.
Table 1 IQ27 Oil Streaks on Print
Step Questions and Actions Yes No
1 Check and clean the Drum Maintenance Kit
Wiper Blade.
Does the problem persist? Replace the Drum
Maintenance Kit. If
the problem per-
sists, go to Step 2. Complete.
2 Check the Drum Maintenance Kit ground con-
nection.
Verify that the ground connection is secure
between the Drum Maintenance Shaft and
Drum Fan.
Does the problem persist? Go to Step 3. Complete.
3 Run the Remove Print Smears routine.
Does the problem persist? Go to Step 4. Complete.
4 Clean the Stripper Blade and Exit Guides.
Does the problem persist? Go to Step 5. Complete.