Converting The Ardf Df3090 To Contact Scanning - Ricoh MP C3004 Field Service Manual

6. Troubleshooting
Contact scanning:
Other ADFs/ARDFs
In contact scanning, the whole of the original
comes into contact with the DF exposure glass
[A] so that non-adhesive contaminants can be
removed.
The ARDF DF3090 / SPDF DF3100 can be converted from non-contact scanning to contact scanning
for users who wish to reduce vertical streaks caused by non-adhesive contaminants.
SP4-688-001 (for ARDF3090)
SP4-688-002 (for SPDF3100)
SP4-871-003 (both ARDF and SPDF)

Converting the ARDF DF3090 to Contact Scanning

1. Unplug the machine power cord before starting the following procedure.
2. Remove the ARDF front cover [A] (
1158
SP No.
Non-contact scanning:
DF3090 / DF3100
By means of the Mylar sheet [B], originals are
kept slightly above the DF exposure glass [A],
preventing adhesive contaminants from adhering
to the glass.
Contact scanning
103%
96%
0.00%
x1).
Non-contact scanning
106%
101%
0.11%