Olivetti d-color MF651, Service Manual, Page: 531 / 1053

Field Service Ver. 2.0 Jul. 2009 12. SERVICE MODE
471
ADJUSTMENT
/ SETTING
12.4.11 Scan Area-Image Position: Leading Edge
A. Use
• To adjust variations in mounting accuracy and sensitivity of the scanner home sensor
and in mounting accuracy of the original width scale by varying the scan start position in
the main scan direction.
• When the original glass is replaced.
• When the original width scale is replaced.
B. Procedure
• B width on the color chart and one on the test print are measured and adjusted so that
the difference of A width satisfies the specifications shown below.
• An adjustment must have been completed correctly of [Leading Edge Adjustment] of
[Printer Area].
Specifications
A: ± 0.5 mm (10 ± 0.5 mm if a scale is used)
1. Call the Service Mode to the screen.
2. Touch these keys in this order: [Machine]
o
[Scan Area]
o
[Image Position: Leading
Edge].
3. Position the color chart correctly so that the original reference point is aligned with the
scale.
4. Press the Start key to make a copy.
5. Check point A on the test print.
6. If width A on the test print falls outside the specified range, change the setting using the
[+] / [-] key.
If the test print is less than the specified length, increase the setting value.
If the test print exceeds the specified length, decrease the setting value.
7. Press the Start key to make another test print.
8. Check the image on the test print to see if the specifications are met.
9. Make adjustments until the specifications are met.
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Y110571-1 Service Manual