Scanner Test Mode
D037/D038/D040/D041 6-12
SM
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
i-controller.
The i-controller or SBU board may be defective.
6.6.2 IPU TEST MODE
You can check the BICU board with the SP mode menu, SP4-904-1.
If no error is detected, the test ends. Then the completion code shows in the operation
panel display. If an error is detected, the test is interrupted. Then an error code shows. The
table below lists the completion and error codes.
SP4-904-1 Register Access
There are 16 bits switches in this SP. Each bit indicates a different CPU. The error result is
displayed on the operation panel as a decimal number.
0: Normal, 1: Error
SP4-904-2 Image Path
There are 16 bits switches in this SP. Each bit indicates a different CPU path. The error
result is displayed on the operation panel as a decimal number.
0: Normal, 1: Error
Errors may be caused by the following problems:
1. Short circuit on the signal lines
When the i-controller board is installed, a pin or two on the ASIC is damaged.
Some conductive matter or object is trapped among the pins.
Condensation
2. Destruction of circuit elements
Over current or a defective element breaks the circuit.
Содержание Aficio MP C2030
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Страница 242: ...Paper Transfer D037 D038 D040 D041 4 72 SM 2 Temperature and humidity sensor A x 1 x 1 ...
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Страница 1008: ...Common Procedures D429 4 SM 6 Disconnect the harness A CN10 and make some slack in the cable 7 Output tray unit A ...
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