Lexmark C522, C524, C520 manual Cleaning the printhead lenses, Maintaining the printer

Maintaining the printer

To replace the transfer belt, see the Replacing the transfer belt sheet that comes with a replacement transfer belt.

Cleaning the printhead lenses

Clean the printhead lenses when print quality problems become apparent as mentioned in Solving print quality problems in the Troubleshooting chapter.

Warning: To avoid overexposing the photoconductor units to light, do not leave the inner door open longer than 10 minutes.

1Turn the printer off.

2Open the upper door and the inner door. The lower door comes open with the inner door.

3Remove all four toner cartridges. If help is needed, see the illustration on page 32.

4Locate the four printhead lenses as shown.

Printhead lenses

5Clean the lenses using a can of compressed air (same as the compressed air used to clean a camera lens). Warning: Do not touch the printhead lenses or they may be damaged.

6Install the four toner cartridges.

7Close the doors.

8Turn the printer on.

Cleaning the printhead lenses

83