
7) With the scanner unit B in contact with both the stoppers in the
rear and the front frames, slide the scanner unit A until it makes
contact with the right edge of the frame, and fix the scanner unit A
and the drive wire.
∗
Troubles caused by improper work
1) Scanner motor trouble
∗
After-work
JOB No. Content
ADJ M2/ADJ 2 Sub scanning direction copy distortion
adjustment
ADJ 2 Sub scanning direction distortion
adjustment
∗
Location
∗
Adjustment value
∗
Execution condition (time)
Enforcement
time
JOB No Content
S 004 When any part in the scanner
(reading) section is
disassembled or replaced.
ADJ M2/
ADJ 1
When the scanner unit
parallelism adjustment is
performed.
Cycle —
Condition When the copy image
distortion is outside the
specified range.
∗
Necessary condition
1) The scanner unit parallelism adjustment (mechanical adjustment)
is completed.
2) The scanner drive wire tension is proper.
∗
Work content
1) Make a test chart on A4 (11" × 8.5") paper as shown below. (Draw
a rectangular with four right angles.)
2) Set the test chart which was made in procedure 1) on the docu-
ment table, and make a copy on A4 (11" × 8.5") paper with the
document cover open.
ADJ M2/ADJ1
203mm
203mm
D
D
D 1.0mm
L=10mm
L
L
L L
A6
B6
51/2
A5
B5
81/2
A4
30mm
Test chart
FO-3800M
7 – 6
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