Cleaning the Interior

1A94-0F9
If streaks appear on printed paper or part of the image is missing, execute <Clean Inside Main Unit>.
  <Adjustment/Maintenance>  <Maintenance>  <Clean Inside Main Unit>  <Start>
When cleaning is complete, check whether the problem has been resolved.
imageRUNNER ADVANCE C355iF / C255iF
User's Guide
USRMA-1009-012017-02Copyright CANON INC. 2017