Canon iPF9000S Troubleshooting Manual page 42

Code
(last 4
Large LCD
digits)
2821 Cannot adjust
band.
Press Online to
clear the error
and readjust
the band.
Cannot adjust
paper feed.
Press OK to clear
the error and
readjust printhead.
2822 Cannot adjust
eccentric.
Press Online to
clear the error.
Cannot adjust
eccentric.
<Maintenance cartridge detection timings>
The presence of a maintenance cartridge is detected at the following timings:
①Before printing/during printing (twice per second)/at the end of printing/ between pages
②Before a recovery operation/during a recovery operation (twice per second)/before opening of the ink supply valve
③When the cartridge is removed and inserted following the occurrence of an error or warning.
Panel display
Small LCD
Online Key
and recalibrate
Band Adj Error
Please Readjust
OnlineKey: Press
To Clear Error
Eccent Adj Error
Explanation/Detection sequence
LF unadjustable
A detected value has gone out of bounds
while performing automatic band
adjustment.
Eccentricity uncorrectable (which does not
occur when in User mode)
A detected value has gone out of bounds
while making adjustment.
2-30
Chapter 2 Indexes by Case
Remedial Action
(★: Reference fault
isolation procedure
or tool)
①Adjustment is
not possible
with
transparent/se
mi-transparent
paper.
Replace with
paper having
similar
substrate and
perform
automatic band
adjustment or
manual
adjustment.
②Make detailed
band
adjustment
(automatic).
③Check the
nozzle check
patter and, if it
is found in error,
go to ★2F2F
(P3-6).
If the nozzle
check pattern is
found normal,
check ④
below and go to
Flow 1 in ★
2010 (P3-12).
④Initialize the
system
settings/paper
preferences
and then add
additional paper
and perform
automatic band
adjustment
(detailed). If the
paper
preferences are
initialized, all
the paper
setting would
be reset to their
factory defaults.
①Check the
paper type:
Replace with
photo glossy
paper (UF120).
②Check the
paper for
soiling, tear and
other defects.
Having run LF
tuning, update
the additional
paper.