2-24
Confidential
Drum Stop Replace the Drum
Unit. Black (BK)/
Cyan (C)/ Magenta
(M)/ Yellow (Y).
Electric discharge was detected
when the number of the black
drum unit rotations had become
more than twice of the upper
limit.
6B01 2-66
Electric discharge was detected
when the number of the cyan
drum unit rotations had become
more than twice of the upper
limit.
6B04 2-66
Electric discharge was detected
when the number of the
magenta drum unit rotations
had become more than twice of
the upper limit.
6B03 2-66
Electric discharge was detected
when the number of the yellow
drum unit rotations had become
more than twice of the upper
limit.
6B02 2-66
Ignore Data -
Detected undecodable data
during printing.
Received undecodable PS data.
--- 4.11.1
Jam 2-sided Pull out Tray 1
completely. Check
inside the machine
or open the Back
Cover to remove
the jammed paper.
After the first side is printed in 2-
sided printing, the registration
front sensor does not detect
paper pass after a set period of
time.
7800 2-69
Jam Inside Open the Top
Cover, pull out the
Drum Unit
completely and
remove the
jammed paper.
After the registration rear sensor
detects paper pass, the eject
sensor does not detect paper
pass.
7000 2-67
Jam Manual
Feed
Pull out the
jammed paper from
Manual Feed and
press Go.
When feeding from the manual
feed slot, the registration rear
sensor does not detect the
paper pass within the specified
time after the manual feed
paper empty sensor detected
the paper pass. Or the
registration rear sensor
detected the paper pass within
the specified time after the
manual feed paper empty
sensor detected the paper pass.
7900 2-69
Error message
Description
Error
codes
Refer
to:
First line Second line
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