Canon BJ-W9000 Service Manual page 127

BJ-W9000
34) W6810
Paper width warning during automatic print position adjustment
Paper width error was detected during the head position adjustment (automatic)
process.
35) W6820
Automatic printing position adjustment warning
Head position adjustment (automatic) was not performed correctly.
36) W7100
BJ print head set warning
BJ print head set sensor detected that a BJ print head locking lever was open when
the power was turned on.
37) E7260
Nozzle check sensor unit error
The position of the nozzle check sensor unit was faulty.
38) E7270 to E727b/E7280/E7281/E7290/E7291
Nozzle check error
Error occurred in the nozzle check sequence.
39) W7801
BJ print head set warning
BJ print head set sensor detected that a BJ print head locking lever was open, or BJ
print head contact detection detected that a BJ print head was missing during a Fill
ink operation.
40) E8002
Print-position information error
The compensation value of the previous print position adjustment is invalid.
41) E8003
Remaining print data error
Print data is remaining in the band memory after each scanning.
42) E8006/ E8007
Band memory error
There was inconsistency between the print data written into the band memory and
the data read from the band memory. Or the data count value was invalid.
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Part 3: Operations