Longitudinal black stripes
Possible Cause | Remedy |
Image drum is | Replace image drum. |
damaged. |
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Toner is low. | Change toner cartridge. |
Periodic black lateral | • If the lines or spots occur at intervals of |
lines or spots. | approximately 44 - 94 mm, the image drum (green |
| tube) is damaged or dirty. If damaged, replace the |
| image drum cartridge. If dirty, wipe the image drum |
| gently with soft tissue. If this does not work, replace |
| the image drum. |
| • If the lines or spots occur at intervals of |
| approximately 113 mm, the fuser roller is damaged. |
| Change the fuser unit. |
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The image drum has | Remove the image drum from the printer and store it in |
been exposed to light. | a dark place for several hours. If this does not work, |
| replace the image drum. |
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Faint shading on unprinted sections
Possible Cause | Remedy |
Paper has been affected | Store paper within specified temperature and humidity |
by static electricity. | levels. |
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Paper is too thick. | Use recommended paper. |
Toner is low. | Change toner cartridge. |
Blurred letter edges |
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Possible Cause | Remedy |
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LED is dirty. | Clean LED with lens cleaner or soft tissue. |
Cannot print desired | Replace toner cartridge. |
color because toner is |
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low. |
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Black formation method | Open the printer driver and set black formation to |
does not match | CMYK. |
application. |
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Sharp