Fd Zoom Ratio Adjustment (Scanner - Minolta Di151 Service Manual

FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT
00.03.21
(7)

FD Zoom Ratio Adjustment (Scanner)

Requirement
E
4007D053AA
Zoom Ratio Requirement
Full size (100%) 200 ±2.0 mm
NOTE
This adjustment must be made whenever the Scanner is replaced. Should be made after
the CD and FD registration adjustments (Paper Tray) have been completed.
Procedure
1. Produce a test pattern (F5: Test Pattern 1).
2. Place the test pattern produced on the Original Glass and make a copy.
3. Make sure that dimension E on the copy of the test pattern falls within the specified
range.
Calculation formula: (1 – Dimension E on test pattern ÷ Dimension E on copy) × 100
If dimension E falls outside the specified range, perform the following adjustment proce-
dure.
4. Enter Adjust function A2.
5. Change the setting value using the 1Key or 10Key as necessary (1 step equivalent to
0.4%).
If dimension E on the copy of the test pattern is longer than the specified range, decrease
the setting value.
If dimension E on the copy of the test pattern is shorter than the specified range, increase
the setting value.
If one adjustment sequence does not bring the dimension into the required range, per-
form the sequence again.
6. Press the Start key to validate the setting value.
NOTE
If the Clear/Stop key is pressed to go back to the Basic screen without pressing the Start
key, the setting will be restored to the original value.
Produce a test pattern after the CD and FD registration
adjustments (Paper Tray) have been made. Place this
test pattern on the Original Glass and make a copy.
Dimension E on the copy of the test pattern should fall
within the range specified below.
Adjust Mode Function
FD zoom ratio
adjustment
D-36
Setting Range
45 to 55
(Reduced Enlarged)