Appendix: Troubleshooting Guide; Troubleshooting Guide; Image Quality - Ricoh D037 Service Manual

6. APPENDIX: TROUBLESHOOTING GUIDE

6.1 TROUBLESHOOTING GUIDE

6.1.1 IMAGE QUALITY

The following work-flow shows the basic troubleshooting steps for the image quality
problems on this product.
Start
Verification of
problem reported
from users
Make copy in the
enlargement or Copy
reduction mode.
No
Location of
the image problem
shifted?
Vertical white dotted lines
Check the transfer bias or paper condition.
Yes
Vertical white lines on thick paper
Check the timing when the problem occurs.
Yes
Dirty lines
Check the transfer belt cleaning section.
Poor fusing / Fusing offset
Check the paper types selected in the printer driver.
Smeared image at trailing edge
Check the fusing unit speed.
B Crow marks
A
Check the humidity condition and adjust the transfer bias if
necessary.
SM Appendix
Can the
Ask customer to
problem be
No
duplicated?
Yes
Troubleshoot using
Image Quality? No
the service manual
or technical bulletin.
Yes
Copy or Print?
Print
Make a test pattern
using SP2-109.
Troubleshoot
Color related? No
depending on the
type of problem.
Possible Symptoms
6-1
Troubleshooting Guide
duplicate it.
No problem on pattern
* Font problem
* Image data missing
Especially, problems related
to the above symptoms and if
no problem is found on the
test pattern, it may be related
to the application used or
driver. Collect a capture file
for further investigation (select
'Print to File' in the driver).
b222t501
D037/D038/D040/D041