Lsu Image Side To Side Adjustment For The Adu; 100% Read Adjustment; Original Registration & Ccd Read Adjustments - Panasonic DP-1820P Service Manual

3.9.3.

LSU Image Side to Side Adjustment for the ADU

1. Insert paper into the 1st tray and change the tray setting to the appropriate paper size. Empty or pull
out all the remaining trays (including the bypass tray) to disable them.
2. Press "FUNCTION", "ORIGINAL SIZE" keys and then Key "3" on the keypad sequentially.
3. Perform the Service Mode F1-06 (Print Test Pattern 4).
4. Check the gap of the print pattern from the paper edge, refer to the Figure above.
5. Perform the Service Mode F6-16 (ADU Side Adjust), to adjust the gap to be 5 mm.
6. If the gap is less than 5 mm, input a (+) value. If more than 5 mm, input a (-) value.
7. Press "STOP" first and then press "FUNCTION" + "CLEAR" keys simultaneously to return to
standby.
3.9.4.

100% Read Adjustment

1. Place the Original Document on the Platen Scanner.
2. Insert Ledger or A3 size paper into the 1st tray and change the tray setting to the appropriate paper
size. Empty or pull out all the remaining trays (including the bypass tray) to disable them.
3. Press "FUNCTION", "ORIGINAL SIZE" keys and then Key "3" on the keypad sequentially.
4. Perform the Service Mode F2 (Single Copy Test).
5. Check the Image size of the Copy and the Original as Portrait.
6. Perform the Service Mode F6-00 (Adj 100% Side-Side Read), to adjust for an identical vertical
(side-to-side) size ratio.
7. If the image is smaller than the Original, input a (+) value. If bigger than the Original, input a (-)
value.
8. Perform the Service Mode F6-01 (Adj 100% Lead-Tail Read), to adjust for an identical horizontal
(top-to-bottom) size ratio.
9. If the image is smaller than the Original, input a (+) value. If bigger than the Original, input a (-)
value.
10. Press "STOP" first and then press "FUNCTION" + "CLEAR" keys simultaneously to return to
standby.
Note:
This is the size adjustment and do not worry about the positioning.
3.9.5. Original Registration & CCD Read Adjustments
1. Place the Original Document on the Platen Scanner.
2. Insert Ledger or A3 size paper into the 1st tray and change the tray setting to the appropriate paper
size. Empty or pull out all the remaining trays (including the bypass tray) to disable them.
3. Press "FUNCTION", "ORIGINAL SIZE" keys and then Key "3" on the keypad sequentially.
4. Perform the Service Mode F2 (Single Copy Test).
5. Check the Image size of the Copy and the Original as Portrait.
6. Perform the Service Mode F6-03 (Original Registration), to adjust the platen original registration
detection timing.
7. If the gap is smaller than the Original, input a (-) value. If bigger than the Original, input a (+) value.
8. Perform the Service Mode F6-53 (CCD Read Position Adj), to adjust the CCD Read side position.
9. If the gap is smaller than the Original, input a (+) value. If bigger than the Original, input a (-) value.
10. Press "STOP" first and then press "FUNCTION" + "CLEAR" keys simultaneously to return to
standby.
Ver. 1.2
116
DP-1520P/1820P/1820E
SEP 2004