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8. Service Mode
G. CCD SUB REGIST
Functions
• To adjust variations in machining and installation accuracy of different IR parts by
varying the starting position of image scanning in the sub scanning direction.
Use
• After the PRN MAIN REGIST and PRN SUB REGIST and CCD SUB ZOOM adjust-
ments have been performed
• When the PH Unit has been replaced
• When the CCD Unit has been replaced
(After the CCD Unit has been adjusted for correct position)
Adjustment
Specification
Adjustment
If the deviation is longer than the specifications, increase the setting value.
Instruction
If the deviation is shorter than the specifications, decrease the setting value.
Adjustment
1. Load the Paper Feed Tray/1 with A4 crosswise paper.
Procedure
2. Enter Function of the Service mode.
3. Select "Print Test Pattern" and then "Test Pattern1." Then, press the Start key.
4. This will produce a test pattern.
5. Place the test pattern produced in step 3 on the Original Glass and make a copy of it.
6. Place the test pattern (original) on top of the copy and check for deviation in width B.
7. If the deviation in width B falls outside the specified range, perform the following steps
to make an adjustment.
8. Select "Adjust" of "CCD Sub Regist."
9. Using [
10.Press the [Yes] key to validate the setting value selected in step 7.
NOTE
• If a single adjustment procedure does not successfully bring the deviation into
the specified range, repeat steps 5 through 7.
76
F
4035D520AA
▲
▼
/
] key, select the appropriate setting value.
Field Service Ver. 1.0 Apr. 2005
• After finishing the PRN MAIN REGIST &
PRN SUB REGIST and CCD SUB ZOOM
adjustments.
• Adjust so that deviation between width F on
the test pattern produced and that on the
copy produced falls within the specified
range.
Specifications
0 ± 1.5 mm
Setting Range
60 to 140 (1 increment = 0.1 mm)
The default setting is "100"
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