Scanner Fd Zoom Adjustment - Konica Minolta 7115 Service Manual

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Scanner FD Zoom Adjustment

Requirement
• Adjust so that the amount of error falls within ±1.0 % of the length to be measured.
• Adjust so that the following specifications are met when the length of the scale is 300
mm.
Zoom Ratio Specifications
Full size (×1.00) 300 ± 3.0 mm
NOTE
• This adjustment is made when the Scanner Drive Cables have been replaced.
<Adjustment Procedure>
1. Place a scale on the Original Glass in parallel with the Original Length Scale and make
a copy.
3. Enter the Adjust mode.
4. With "AJ-" shown on the Display, enter the code number "4" from the KEYPAD and
press the START to enter the "Scanner FD Zoom Adjustment" mode.
5. Press the CLEAR to clear the current setting value.
6. Enter the new setting value from the KEYPAD and press the START to validate the
entry.
Adjustment Instructions
If the length on the copy is longer than the actual one, decrease the setting value.
If the length on the copy is shorter than the actual one, increase the setting value.
If a single adjustment procedure does not successfully bring the amount of error into the
specified range, repeat steps 3 though 6.
Mode Code No.
Adjust 4
2. Measure the length of the scale on the copy.
If the amount of error falls outside the specified
range, perform the following steps to make an
adjustment.
D-60
Setting Range
97 to 103,
1 step: 0.4 %