4.6 Image quality problems
Go through the following steps to solve the problem:
Check the machine parameters for image quality adjustments and see if the problems solves.
1.
2. Adjust the background level and see if the problem solves. (See "3.12.5 Set background level" on page
3-90.) Clean the document glass and document pad in advance.
3. Determine if the failure is attributable to the input system (scanner section) or the output system (printer
section):
Make copy full size copy of a document
1.
(Original)
2.
Make a reduction copy of the document.
(Original)
(Original)
(Copy)
(Copy) - Input system cause : scanner
(Copy) - Output system cause: printer
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