Scanner Adjustment; Fb Leading Edge - Konica Minolta bizhub C35 Service Manual

DRAFT
10. SERVICE MODE

10.8 Scanner Adjustment

10.8.1

FB Leading Edge

A. Use
• To adjust for variations in the accuracy of scanner parts and their mounting accuracy by
varying the scanning start position at the flatbed scanning in the sub-scanning direction.
• When the scanner unit has been replaced.
NOTE
• After the [FB FD Multiplier] adjustments have been performed
B. Procedure
A
• Make adjustments so that the difference in the width of A between the test pattern and
the copy of the test pattern is within the following specification.
• Specification value: 2.5 mm or less
• The default setting is 0.
• -5.0 (-5.0 mm) ~ "0 (0 mm)" ~ +5.0 (+5.0 mm)
• Step: 0.25 mm
1. Print the test pattern.
See P.173
2. Make a test copy.
NOTE
• The test pattern should be positioned vertically.
• Use A4 or Letter paper loaded into tray1 to make the test copy.
3. Check that the width of A in the original and its copy of the test pattern are shifted.
If the width of A is out of specification, adjust it according to the following procedure.
4. Call the Service Mode to the display.
5. Touch [Scanner Adjustment]
6. Using the [+]/[-] key on the screen or the ten-key pad, enter a setting value and touch
[OK].
If width A of the copy image is exceeds one on the test pattern, decrease the setting.
If width A of the copy image is less than one on the test pattern, increase the setting.
7. Make a test copy again and check it.
140
→
[FB Leading Edge].
Field Service Ver. 1.0 Feb. 2010
A121F3C506DA