Troubleshooting
Examples of poor print quality Recommendation
Clean the corona wire inside the drum unit by sliding the green tab. Be sure to return the green tab to the home position (a).
uuCleaning the corona wire uu page 118
The drum unit may be damaged. Put in a new drum unit.
uuReplacing the drum unit uu page 111
All black
Make sure that you use paper that meets our specifications. A rough surfaced paper or thick print media can cause this problem.
ABCDEFGH |
| |
abcdefghijk |
| |
|
| |
A B C D | Make sure that you choose the appropriate media type in the printer driver or | 6 |
a b c d e | in the machine’s Media Type menu setting. | |
0 1 2 3 4 | The problem may disappear by itself. Print multiple blank pages to clear this |
|
White lines across the page | problem, especially if the machine has not been used for a long time. |
|
The drum unit may be damaged. Put in a new drum unit. |
| |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Clean the corona wire inside the drum unit. |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| |
| ABCDEFGH | ||||||||||
| The drum unit may be damaged. Put in a new drum unit. | ||||||||||
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
| |
| abcdefghijk | ||||||||||
|
|
|
| ||||||||
| A B |
| C D | ||||||||
|
|
|
|
| |||||||
|
|
|
|
|
|
| c d e | ||||
| a b |
|
| ||||||||
|
|
| 2 3 4 |
|
| ||||||
| 0 1 |
|
|
| |||||||
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
Line across the page
Check the machine's environment. Conditions such as high humidity and high temperatures may cause this print quality problem.
uuProduct Safety Guide: Choosing a location
If the problem is not solved after printing a few pages, put in a new drum unit.
uu Replacing the drum unit uu page 111
White lines, bands or ribbing
across the page
153