Table 2-6 Image defect examples (continued)
Problem Image example Solution
Lines
A
A
A
A
A
B
B
B
B
B
C
C
C
C
C
a
a
a
a
a
c
c
c
c
c
b
b
b
b
b
1. Print a few more pages to see if the problem corrects itself.
2. Clean the inside of the product and run a cleaning page to clean the fuser.
3. The photosensitive drum might be scratched. Replace the toner cartridge.
4. The fuser-inlet guide might be dirty. Clean the guide.
5. The fuser film might be scratched. Replace the fuser.
Horizontal lines
A
A
A
A
A
B
B
B
B
B
C
C
C
C
C
a
a
a
a
a
c
c
c
c
c
b
b
b
b
b
1. The photosensitive drum might be scratched. Replace the toner cartridge.
2. The fuser film might be dirty or damaged. Replace the fuser.
Gray background (image is
obviously dark)
1. Do not use paper that has already been run through the product.
2. Try using a different type of paper.
3. Print a few more pages to see if the problem corrects itself.
4. Turn over the paper in the tray. Also, try rotating the paper 180°.
5. Open the Setup menu at the product control panel. and then open the System
Setup menu. Increase the Print Density setting.
6. Make sure that the environmental specifications for the product are being met.
7. The toner cartridge might need to be replaced.
8. The toner-cartridge ground or bias contacts might be dirty. Clean the contacts.
9. Stop a print job before it is complete, and then remove the toner cartridge. Open
the photosensitive drum shield, and look at the toner image on the drum.
●
If the image is not fully transferring to the page, replace the transfer roller.
●
If the toner on the drum is faint, replace the laser/scanner.
10. The high-voltage power supply might be damaged. Replace the high-voltage
power supply.
Toner smear
1. Print a few more pages to see if the problem corrects itself.
2. Try using a different type of paper.
3. Make sure that the environmental specifications for the product are being met.
4. Clean the inside of the product and run a cleaning page to clean the fuser.
5. The toner cartridge might need to be replaced.
ENWW Solve image-quality problems 81
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