Image Formation Problems; Flow Of Image Data - Kyocera TASKalfa 6501i Service Manual

Hide thumbs Also See for TASKalfa 6501i:

Table of Contents

1-4-4 Image formation problems

Isolate the component an image defect has occurred from.

Run U089 to print a test page and check whether an image defect happens.

YES: Main unit as the cause of defect

NO: Scanner as the cause of defect

Perform enlarged or reduced copying and verify if the defective images are enlarged or reduced, accordingly.

YES: Scanner as the cause of defect

1. Scanner as the cause of defect:

If the defect occurs with copying or sending, refer to P.1-4-161.

(Defects caused by a reading error that occurs at the original (glass) LED lamp to CCD (DP: CIS).)

Isolate the problem at the location that the originals are scanned.

a. Single side DP (read by Main CCD)

b. On the contact glass (read by Main CCD)

c. Back side DP (For DP mounted with CIS)

2. Main unit as the cause of defect: refer to P. 1-4-161.

(A defect of image forming occurs from the rendering process that involves charging, drum, LSU,

developer, and primary transferring.)

Printing data from PC :

Show Quick Links

Table of Contents

Taskalfa 8001i