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SmartBase MPC200/imageCLASS MPC200
Chapter 4: Maintenance & Service
4.3.3 Scanning problems
• Faulty scanning
Contact sensor drive motor does not run.
(1) Check the connection of the contact sensor drive motor and SPCNT board(JRMTR1)
(2) Replace the contact sensor drive motor.
(3) Replace the SPCNT board.
• The scanning image is abnormal.
(1) Check the connection of the contact sensor and SPCNT board (JCS1).
(2) Replace the contact sensor unit.
(3) Replace the SPCNT board.
The image has vertical stripes.
(1) Clean the Document glass.
(2) Check the connection between the contact sensor and SPCNT board (JCS1).
(3) Replace the contact sensor unit.
(4) Replace the SPCNT board.
The halftone image contains black dots.
(1) Clean the Document glass.
(2) Check the connection between the contact sensor and SPCNT board (JCS1).
(3) Adjust the CS LED lights-on duration.
(4) Replace the contact sensor unit.
(5) Replace the SPCNT board.
The color or brightness of the image is not normal.
(1) Clean the Document glass.
(2) Clean the white sheet.
(3) Adjust the CS LED lights-on duration.
(4) Replace the contact sensor unit.
(5) Replace the SPCNT board.
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