Konica Minolta bizhub C200 Service Manual page 208

Field Service Ver. 2.0 Dec. 2008
D. Feed Direction Adjustment
Functions • To synchronize the paper transport speed with the image writing speed.
Use • Feed direction adjustment becomes necessary.
• The print image on the copy distorts (stretched, shrunk).
• When the print image on the copy is stretched in the sub scan direction.
• This setting can be made independently for plain paper, thick 1, thick 2 and thick 3.
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. Place A3 or 11 x 17 paper on the tray1.
Procedure 2. Call the Service Mode to the screen.
3. Touch [Test Mode] → [Lattice Pattern], and press the Start key to let the machine
produce a test pattern.
NOTE
• Do not adjust with the test pattern which can be output under the following
setting: [Machine Adjustment] → [Printer Area] → [Feed Direction Adjust-
ment].
4. Check width A (equivalent to one grid) and width B (equivalent to 48 grids) on the
test pattern.
5. Touch these keys in this order: [Machine] → [Printer Area] → [Feed Direction Adjust-
ment].
6. If width of A or B falls outside the specified range, change the setting using the [+]/[-]
keys.
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 paper.
E. Test Copy
Functions • To carry out test copy used for adjustment.
Use • To check the current status, effect, etc, when adjusting printer area.
Setting/ 1. Call the Service Mode to the screen.
2. Touch [Machine Adjustment] → [Printer Area] → [Test Copy].
Procedure
3. Select proper item for Paper, Simplex/Duplex, Color and Mixed Original, and press
the start key.
4. Test copy is output.
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
B: 389.1 to 392.1
Setting Range
A, B: -7 to +7
A00JF3C506DA
10. Service Mode
167