
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 |
| |
| 2 Turn the drum unit gear by hand while looking at the surface of the | |
| OPC drum. | |
| 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.
Do not try to clean the surface of the photosensitive drum with a
sharp object. (e.g.
The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page
TROUBLESHOOTING AND ROUTINE MAINTENANCE 12 - 16