Konica Minolta Magicolor 8650 Service Manual page 272

Field Service Ver. 2.0 Nov. 2007
E. Vertical Adj.
Functions • To synchronize the paper transport speed with the image writing speed.
Use • Feed Direction Adjustment becomes necessary.
• The printed image distorts (stretched, shrunk).
• When the printed image is stretched in the sub scan direction.
• This setting can be made independently for plain paper, Thick 1, Thick 2, Thick 3, and
Thick 4.
Adjustment
Specification
A
Adjustment If width A or B is longer than the specifications, make the setting value smaller than the
Instructions current one.
If width A or B is shorter than the specifications, make the setting value greater than the
current one.
Adjustment 1. Load tray 1 with A3 or 11 × 17 plain paper.
2. Select [Service Mode] → [MachineAdjustment] → [Printer Area] → [Vertical Adj.].
Procedure
3. Select [Plain Paper].
4. Select [Print] and press the Menu/Select key to let the machine produce a test pat-
tern.
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
and
7. Press the Menu/Select 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, press the Menu/Select key.
11.Following the same procedure, adjust for thick paper.
F. Erase Leading Edge
Functions • To set the leading edge erase amount of the paper.
Use • Upon user requests, it is possible to specify the void area where image is not printed
along the leading edge.
Setting/ • The default setting is 4 mm.
Procedure
NOTE
• When "4 mm" is selected, 4.2 mm is the actual amount to be erased in print
based on the control system of the machine.
Confidential – for internal use only, do not distribute
B
A00JF3C506DA
keys.
"4 mm"
Width A and width B on the test pattern pro-
duced 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
5 mm
10. Service Mode
7 mm
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