1/05
4-215
DocuColor 12/DCCS50
ADJ 12.1.1
Repairs and Adjustments
Reissue
ADJ 12.1.1 DADF Side Registration
Parts List on PL 12.1
Purpose
To ensure that the document is set into the correct position on the Platen (front-to-rear drum
axis direction).
Check
NOTE: Before running this function, the side registration in the Platen mode must be properly
adjusted (ADJ 9.1.15).
1. Place the test pattern (82E8220) on the Platen so that there is no gap between the test
pat
tern and the Registration Guide at the rear.
2. Copy the test pattern in the following copy mode:
a. Copy mode: Black
b. Paper tray: 11” x 17” or A3
c. Magnification: 100
d. Number of copies: 2
3. Number the ejected document pages as "1" and "2" in t
he order that they are ejected.
4. Measure the distance between the paper side edge of the second document (2) and the
tar
get line. Assume this distance is A (Figure 1).
Figure 1 Checking the Side Registration A
5. Check that the value A is 10.0mm ± 0.
6mm.
If the value is not within the range, perform
Side/Lead Edge Registration(ADJ 9.1.10), then return to this procedure.
6. Place the two document pages in the DADF. (The number "1" page is on top, and the bot-
tom edge is fed in first.)
7. Set the following copy mode and make a copy.
a. Copy mode: Black
b. Paper tray: 11” x 17” or A3
c. Magnification: 100
d. Number of copies: 1
8. Using the number “2” copy, measure the distance bet
ween the paper side edge and the
target line. Assume this distance is B (Figure 2).
Figure 2 Checking the Side Registration B
9. Check if B - A is 0 ± 1mm.
Adjustment
NOTE: You can adjust the side registration of the DADF simplex or duplex.
1. Enter the dC131 NVM Read/
Write[715-028] (DADF IPS Offset)
2. If B in step 8 of the check is,
a. 10.6mm or more: Increase the NVM value;
b. 9.4mm or less: Decrease the NVM value.
(each NVM step=1mm)
A
Edge of
Copy
PAPER
FEED
DIRECTION
PAPER
FEED
DIRECTION
Edge of
Copy
B
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