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Field Service Ver. 1.0 Apr. 2005
D. PRINT TEST PATTERN1
Functions
• To produce a test pattern for image adjustments.
Use
• When skew, registration, or zoom ratio has been adjusted
Setting/Procedure 1. Select the paper tray.
2. Select the test pattern 1.
3. Press the Start key to print the test pattern.
E. PRINT TEST PATTERN 2
Functions
• To print the test pattern for halftones and gradations.
Use
• When checking for uneven density or uneven pitch
• When checking for gradation reproducibility
Setting/Procedure 1. Select the paper tray.
2. Select the test pattern 2.
3. Press the Start key to let the machine produce the test pattern
F. ADF FEED TEST
☞ For details, see DF-502 or DF-605 Service Manual
Functions
• To check for correct paper passage of the paper take-up and transport system in
• Here are the details of operation involved in the paper passage motion.
Use
• When a paper misfeed of originals occurs
G. COPY ADF GLASS AREA
☞ For details, see DF-502 or DF-605 Service Manual
Functions
• To check for scratches and dirt on the Original Scanning Glass.
Use
• When a dirty image occurs
the Automatic (Duplexing) Document Feeder alone as a single unit.
The Scanner does not make any scan motion.
Paper passage operation continues until all pages of the document loaded in the
unit have been fed in.
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8. Service Mode
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