Konica Minolta bizhub C658 Service Manual page 1965

bizhub C658/C558/C458/C368/C308/C258
• The number of times the DF has been subjected to paper feed operations can be checked with the "ADF Feed" counter of the Service
Mode.
Periodical replacement cycle
• Refer to "Replacing the document roller assembly", "Replacing the paper feed assy.", "Replacing the separation roller assy" for methods
of replacing document pick-up roller, document feed roller, document separation roller, and details of the Service Mode.
(a) Paper feed assembly
[1]
[1] Document pick-up roller
[3] Document feed roller
(b) Document feed roller / Document pick-up roller
[1] Document feed roller
(c) Document separation roller
3.1.5 Document separation roller pressure switching mechanism
• As a solution to misfeed problems when they occur, the pressure of the document separation roller can be changed as necessary.
• Inserting a spacer into a space below the spring that applies pressure to the document separation roller will increase the pressure.
• The pressure may be set in two steps selectable according to the direction in which the spacer is inserted.
• The spacer is disposed beside the document separation roller.
• For details, see " I.14.1.3 Adjusting the pressure of the separation
3.2 Document registration section
3.2.1 Document registration outline
• The registration motor provides the drive for the registration roller.
• The original will create a loop between the document feed roller and the registration roller when the original is being conveyed in order to
correct the skew.
[1]
[3]
[1]
PB THEORY OF OPERATION DF-629 > 3. OPERATION
Paper feed operations 200,000 times
[2]
[2] Paper feed assembly lock lever
- -
[2]
[2] Document pick-up roller
roller".
PB-8