All - Canon imageFORMULA DR-G2140 Service Manual

1. All

This is used to adjust the scaling and reg-
istration automatically in succession. The
scaling is adjustment for image length with
feeding direction, and registration is adjust-
ment for reading-start position and reading-
end position.
This adjustment also needs to execute if
the reading unit or registration related parts
have been replaced or reassembled, and if
the control PCB has been replaced. The con-
trol PCB has recorded adjustment data.
Adjustment sheet and procedure are
shown below.
 Adjustment sheet
Use an adjustment sheet: 6Y3-6001 (QT-
52). It is printed on both sides with the
same pattern.
Note: It can be used for black and white back-
ground both.
Figure 5-230
 Operation Procedure
1) Clean the feed path, roller, and scanning
glass.
2) Place a single adjustment sheet in center
with vertical direction like a figure below.
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Make sure to set the document guides so
they are fit with the adjustment sheet to
prevent skews.
3) Select [All].
4) A progress screen appears, and the ad-
justment sheet is fed.
5) The adjustment sheet is ejected. The pro-
cess is completed when the progress
screen disappears.
CANON DR-G2140/G2110/G2090 FIRST EDITION
CHAPTER 5 TROUBLESHOOTING
Figure 5-231
Figure 5-232
Figure 5-233
5-19