Examples of poor print | Recommendation | |
quality |
| |
| If the problem is not solved after printing a few pages, the drum unit may | |
| have glue from label stock on the OPC drum surface. | |
3.7 in. |
| |
(94 mm) | Clean the drum unit as follows: | |
3.7 in. | ||
(94 mm) |
| |
White Spots on black text | 1 Position the print sample in front of the drum unit, and find the exact | |
position of the poor print. | ||
and graphics at 3.7 in. | ||
| ||
(94 mm) intervals |
|
3.7 in.
(94 mm)
3.7 in.
(94 mm)
Black Spots at 3.7 in.
(94 mm) intervals
2Turn the drum unit gear by hand while looking at the surface of the OPC drum.
Caution
Do not touch the photosensitive drum with your fingers.
Photosensitive drum
3When you have located the mark on the drum that matches the print sample, wipe the surface of the OPC drum with a cotton swab until the dust or paper powder on the surface comes off.
Caution
Do not try to clean the surface of the photosensitive drum with a sharp object, such as a
The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page
14 - 15 TROUBLESHOOTING AND ROUTINE MAINTENANCE