Canon MultiPASS C755, Service Manual, Page: 69 / 143

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MultiPASS C755 Chapter 3: Maintenance & Service
"CHANGE CARTRIDGE"
Cause: The printer cover is open and the cartridge holder is moving to the center of the
unit.
Solution:
Wait until the cartridge holder stops, then replace the BJ cartridge or tanks.
"CHECK DOCUMENT" (#001)
Cause : Document jam. This is displayed when the document sensor detects paper, but the
document edge sensor cannot detect the leading edge of the document with 15
seconds from the start of the feed operation.
Solution:
Clear the document jam.
"CHECK PAPER SIZE"
Cause: The size of the paper loaded in the paper cassette is different from the paper size
set by user data.
Solution:
Set the correct paper size in the
PRINTER SETTING > PAPER SIZE
.
"CHECK PRINTER" (##332~##337, ##345, ##346 and ##348)
Cause: The printer's internal unit has malfunctioned.
Solution:
(1) Remove the jammed paper. (Check the paper end sensor is OFF.)
(2) Press
Resume
button.
(3) Reinstall the Cartridge.
(4) Turn the power off and on.
(5) Set the service data #1 SSSW SW01 bit 0 to "1" and check the service code.
Refer to the countermeasures for that error code.
"CLEAR PAPER JAM" (#009)
Cause: Paper jam.
Solution: Clear the paper jam and press the Resume button.
"CONVERT CLR>B&W?"
Cause:
The unit is confirming that it is all right to convent a color document to black &
white and print it with the Black BJ cartridge.
Solution: Press
✽
to convent the color document to black & white and print, or press # to
cancel.
"DATA ERROR"
Cause: The registration data in the SRAM was destroyed and a checksum error occurred
due to a dead lithium battery or SRAM failure.
Solutions:
(1) Press the
Set
button, and turn the power off and on again.
(2) Replace the lithium battery.
(3) Replace the SPCNT board.