Olivetti d-Color MF651 Service Manual page 376

10. UTILITY
(6) Vertical Adjustment
• It will be displayed only when the following setting is set to "Level 2."
[Service Mode]
<Use>
• To synchronize the paper transport speed with the image writing speed.
• The l adjustment becomes necessary.
• The printed image on the copy distorts (stretched, shrunk).
• When the printed image on the copy is stretched in the sub scan direction.
• Able to make an individual adjustment for each paper type of plain paper, thick 1/1+, thick
2, thick 3 and thick 4.
<Procedure>
• Width A and width B on the test pattern produced should fall within the following ranges.
Width A: equivalent to one grid
Width B: equivalent to 48 grids
Specifications
A: 7.9 to 8.3
B: 389.1 to 392.1
Setting Range
A, B: -7 to +7
1. Load manual bypass tray with A3 or 11 × 17 plain paper.
2. Call the Administrator Settings to the screen.
3. Touch these keys in this order: [System Settings]
Adjustment].
4. Press the Start key to let the machine produce a test pattern.
5. Check width A (equivalent to one grid) and width B (equivalent to 48 grids) on the test
pattern.
6. If width of A or B falls outside the specified range, change the setting using the [+]/[-]
keys.
If width A or B is longer than the specifications, make the setting value smaller than the
current one.
If width A or B is shorter than the specifications, make the setting value greater than the
current one.
7. Press the Start key to let the machine produce a test pattern again.
8. Check width A and width B on the test pattern.
9. If width A or B falls outside the specified range, change the setting value and make a
check again.
10. If width A or B falls within the specified range, touch [OK].
11. Following the same procedure, adjust for [Thick 1 to 3], [OHP], and [Envelope]. (Check
width A only for [OHP] and [Envelope].)
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[Enhanced Security]
A
Service Manual
Field Service Ver. 2.0 Jul. 2009
[Administrator Feature Level]
B
[Expert Adjustment]
A0P0F3C505DA
[Vertical
Y110571-1