Scanner Test Mode
SM 6-129 D086/D087
Trouble-
shooting
6.6 SCANNER TEST MODE
6.6.1 SBU TEST MODE
Output the SBU test pattern with SP4-807-001 to make sure the scanner SBU control
operates correctly. The SBU test pattern prints out after you have set the SP mode settings
and pressed the start key.
The CCD on the SBU board may be defective if the copy is abnormal and the SBU test
pattern is normal.
The followings can be the cause if the copy is normal and the SBU test pattern is
abnormal:
The harness may not be correctly connected between the SBU and the BICU.
The BICU or SBU board may be defective.
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