5. Service Mode Field Service Ver. 1.0 Jun. 2008
DF-612/SP-503/MS-501
Adjustment / Setting
5. Service Mode
5.1 Service Mode setting procedure
See P.146 of the main body service manual.
5.2 ADF Adjustment
5.2.1 Zoom
1. Load the test chart [1] in the ADF.
2. Call the Service Mode to the screen.
See P.146 of the main body service manual.
3. Touch [Machine Adjustment] o [Scan Area] o [Test Copy].
4. Touch [1 > 1] for simplex/duplex and [OFF] for mixed original and then press the start
key.
5. Check that the lengths of the refer-
ence lines reproduced on the copy, A
(Main scan direction) and B (Sub
scan direction), meet the following
specifications.
6. If the reference line lengths A and B
are not within the specifications,
make the following adjustment.
7. Touch [OK].
8. Touch [ADF Adjustment] o [Zoom].
Functions • To set the zoom ratio in the main and sub scan directions of the ADF.
Use • When ADF has been replaced.
Adjustment
specification
• A (Main scan direction): 287 ± 1.4 mm (± 0.5 %)
• B (Sub scan direction): 190 ± 1.0 mm (± 0.5 %)
Adjustment
range
• x 0.990 to x 1.010 [Cross Direction Adjustment]
• x 0.980 to x 1.020 [Feed Direction Adjustment]
A0EYF3C500DA
[1]
A
B
A0EYF3C501DA
34 Service Manual Y109850-7
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