Printer Resist Loop - Konica Minolta bizhub C450 Service Manual

Field Service Ver. 1.0 Mar. 2005
D. Feed Direction Adjustment
Functions • To adjust the zoom ratio in the sub scan direction for the Scanner Section
Use • The Scanner Assy has been replaced.
• The Scanner Motor has been replaced.
• The Scanner Drive Cables have been replaced.
Adjustment
Specification
0.990 to 1.010 (in 0.001 increments)
Adjustment If the D width on the copy sample is less than one on color chart, increase the setting.
Instructions If the D width on the copy sample exceeds one on color chart, decrease the setting.
Adjustment 1. Call the Service Mode to the screen.
2. Touch these keys in this order: "Machine" → "Scan Area" → "Feed Direction Adjust-
Procedure
ment."
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 the D width on the image of the copy.
6. If the image falls outside the specified range, change the setting using the +/- key.
7. Press the Start key to make another copy.
8. Check the image on the copy to see if the specifications are met.
9. Make adjustments until the specifications are met.
10.4.7

Printer Resist Loop

Functions • To set the correction value of the paper loop length for each process speed of Tray 1
to Tray 4, Bypass, and Duplex.
• To adjust the length of the loop formed in paper before the Registration Rollers.
• Use "Paper Passage" for paper passage check.
Use When a paper skew occurs.
When a paper misfeed occurs.
Different setting ranges are set for different transport speeds.
Adjustment 215 mm/s : -6 to +6
Range 165 mm/s : -10 to +10
60 mm/s
Adjustment 1. Call the Service Mode to the screen.
2. Touch these keys in this order: "Machine" → "Printer Resist Loop."
Procedure
3. Select the transport speed.
4. Enter the new setting from the 10-Key Pad.
D
4036fs3022c0
: -15 to +15
•Measure D width on the color chart and on
the sample copy, and adjust the gap to be
within the following specification.
•An adjustment must have been completed
correctly of "Paper Feed Direction Adj." of
Printer Area.
Specifications
D: ± 1.5 mm
Setting Range
10. Service Mode
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