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e-STUDIO3511/4511 TROUBLESHOOTING 5 - 134 November 2003 © TOSHIBA TEC
(24) Blotched image
Feeding direction
Cause/Section
Paper
Transfer unit
High-voltage
transformer
(1st/2nd transfer
roller bias)
Step
1
2
3
4
5
6
Check items
Is the paper type corresponding to its
mode?
Is paper too dry?
Is the transfer belt in proper contact with
the drum?
Is the 2nd transfer roller in proper
contact with the transfer belt?
Are there any abnormalities on the
transfer belt?
Is the high-voltage transformer output
abnormal?
Measures
Check the paper type and mode.
Change paper.
Correct it.
Correct it.
Clean or replace the transfer belt.
Adjust the output. Replace the trans-
former, if necessary.
Fig. 5-225