DIFFICULTY | SUGGESTIONS |
Printed pages are marked | Markings may disappear by themselves. Try copying at multiple |
regular intervals. | pages to clear this problem. Markings may occur if the machine has |
| not been used for a long time. A possible cause is that the surface of |
| the drum is marked or damaged by excessive exposure to light. In |
| this case, replace the drum unit with a new one. |
Example of Regular Marking |
|
Printed pages are blurred at | Certain environmental conditions such as humidity, high |
the centre or at either edge. | temperatures, etc. may cause this condition to occur. Make sure the |
| machine is placed on a flat, horizontal surface. Remove the drum |
| unit with the toner cartridge installed. Try rocking them from side |
| to side. You may clear a blurred page by wiping the scanner window |
Blurred Page | with a clean soft cloth. (See Regular Maintenance, page 73.) If a |
| blurred page occurs after cleaning and the display shows CHANGE |
| DRUM SOON, replace the drum unit with a new one. |
Ghost images appear on | Adjust the print conditions by setting the Print Density function. |
printed page. | (See Setting the Print Density, page 28.) Make sure that you use |
| paper that meets the specifications. (See Acceptable Paper, page |
| 92.) Rough surfaces or thick media can cause a ghost image. |
Ghost Images |
|
The drum unit is a consumable and it is necessary to replace it periodically.
MAINTENANCE
Troubleshooting and Maintenance 69