Olivetti d-Copia 6500MF Plus Service Manual page 524

Defective part
Adjustment of the
scanner
2
(15) Moires
Print example
1. Table scanning
Defective part
Settings of print
quality mode
1
Original document
2
Scaling factor
3
Adjustment of the
scanner
4
2. DP-scanning first (front) page
Defective part
Settings of print
quality mode
1
Adjustment of the
scanner
2
Service Manual
Check description
Check the scanning adjustment
of DP scanning.
Check description
Confirm whether the moire
varies depending on print quality
mode.
Check if moire is observed along
the direction of scanning of the
original document.
Happens with the zoom ratio of
100%.
Check the automatic adjustment
of the scanner.
Check description
Confirm whether the moire
varies depending on print quality
mode.
Check the automatic adjustment
of the scanner.
1. Perform maintenance mode U072, CIS .
(see page 1-3-66)
2. Perform maintenance mode U411, DP
Auto Adj.
3. Perform maintenance mode U411, DP
FaceDown (Chart1)_All. (see page 1-3-
152)
Switch print quality mode if the moire varies
depending on print quality mode.
1. Execute printing in text or print mode.
2. Reduce the sharpness (to minus).
If moire is observed, place the original
document after rotating it 90-degree.
Reduce the real-size ratio of the main scan
direction by U065.
Perform maintenance mode U411,
Table(Chart1)_All.
(see page 1-3-152)
Switch print quality mode if the moire varies
depending on print quality mode.
1. Execute printing in text or print mode.
2. Reduce the sharpness (to minus).
Perform maintenance mode U411,
Table(Chart1)_All.
(see page 1-3-152)
1-4-196
Corrective Action
Corrective Action
Corrective Action
2N8/2N7
Y116520-3