Table of Contents
Advertisement
MultiPASS MP730/MP700 Chapter 4: Maintenance and Service
• The scanning image is abnormal. (Evaluation criteria: Check the copy image's
faults.)
Nothing is printed.
(1) Check the connection between the contact sensor and SPCNT board (JCS1).
(2) The white sheet by the side of the reverse side of document glass is cleaned.
(3) Replace the contact sensor unit.
(4) Replace the document glass.
(5) Replace the SPCNT board.
The image has vertical stripes.
(1) Clean the Document glass.
(2) The white sheet by the side of the reverse side of document glass is cleaned.
(3) Check the connection between the contact sensor and SPCNT board (JCS1).
(4) Replace the document glass.
(5) Replace the contact sensor unit.
(6) Replace the SPCNT board.
The halftone image contains black dots.
(1) Clean the Document glass.
(2) The white sheet by the side of the reverse side of document glass is cleaned.
(3) Check the connection between the contact sensor and SPCNT board (JCS1).
(4) Adjust the CS LED lights-on duration. See this Chapter 3.1 CS LED Lights-on
Duration Adjustment.
(5) Replace the document glass.
(6) Replace the contact sensor unit.
(7) Replace the SPCNT board.
The color or brightness of the image is not normal.
(1) Clean the Document glass.
(2) The white sheet by the side of the reverse side of document glass is cleaned.
(3) Adjust the CS LED lights-on duration. See his Chapter 3.1 CS LED Lights-on Duration
Adjustment.
(4) Replace the document glass.
(5) Replace the contact sensor unit.
(6) Replace the SPCNT board.
4.3.4 Memory card problem
• Memory card error
The card is not recognized.
(1) Detach the memory card, and fit it back once again.
(2) Check to see if the memory card contains image data using a digital camera or computer.
(3) Check the connection between the multi card reader board and the SPCNT board
(JCARD1).
(4) Replace the multi card reader board.
(5) Replace the SPCNT board.
4-30
Advertisement
Table of Contents
