1/05
4-208
DocuColor 12/DCCS50
ADJ 9.1.15
Reissue
Repairs and Adjustments
ADJ 9.1.15 IIT Side Edge Registration
Purpose
To adjust the IIT scan timing in the main scanning direction and to correct the copy position.
CAUTION
Do not adjust the side registration unless absolutely necessary, when the registration is not
correct in t
he IIT, since the IIT side registration influences the precision of the document size
detection.
NOTE: Before running this function, check/adjust Side/Lead Edge Registration (ADJ 9.
1.
10).
Check
1. Load 11” x 17” (A3) paper in Tray 2, if available.
2. Place the test pattern (82E8220) on the platen and copy it in the following copy mode:
a. Copy mode: Black
b. Paper tray: Tray 2
c. Magnification: 100
d. Number of copies: 2
3. Check on the 2nd copy that the distance from the side edge to the top of Step 3 on the
SE
2 and SE
3 scales is 10.0mm ± 2.1mm (Figure 1).
Figure 1 Checking the IIT Side Registration
4. If the value is not within the allowable range, adjust the timing as follows:
Adjustment
1. Enter dC131 NVM Read/Write [715-029] (REGI ADJ revise VAL)
2. Change the value.
a. 1 step: 0.0635mm
b. Increase the value to move the image toward the edge.
c. Decrease the value to move the image away from the edge.
PAPER
FEED
DIRECTION
Edge of
Copy
10.0mm ±
2.1mm
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