Canon PIXMA MP760, Service Manual

Page: 21 / 97

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Symptom Solution Remarks
Nothing is printed.
(1) Check the connection
between the contact sensor
and SPCNT board (JCCD1).
(2) Replace the SCANNER
unit.
(3) Replace the SPCNT board
ass’y.
The image has vertical
stripes.
(1) Clean the Document glass.
(2) Check the connection
between the contact sensor
and SPCNT board (JCCD1).
(3) Replace the SCANNER
unit.
(4) Replace the SPCNT board
ass’y.
The
Scanning
Image
Is
Abnormal
The halftone image contains
black dots. (1) Clean the Document glass.
(2) Check the connection
between the SCANNER unit
and SPCNT board (JCCD1).
(3) Replace the SCANNER
unit.
(4) Replace the SPCNT board
ass’y.
Faulty
CD-R
(230V
only) The CD-R Tray is not
recognized. (1) Remove the CD-R Tray,
and place the CD-R Tray
again.
(2) Check the connection
between the CARRIAGE
UNIT and SPCNT board
ASS’Y (JHD1, JHD2).
(3) Replace the CARRIAGE
UNIT.
(4) Replace the SPCNT
BOARD ASS’Y
.
Other (As-received failure)
The display appers in
English. Select the settings of
[#8CLEAR]-[ALL] and
[#5TYPE] (Type setting) in
Service Mode, and turn the
power OFF/ON with the
power button (Software
Power: OFF/ON).