Oki C821 Maintenance Manual

44015503TH Rev. 1
165 /
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURE
Panel display
(The mark indicates no
message in the upper row.)
ON
LINE
lamp
Inspec-
tion
lamp
Details
Remedial
measure
%COLOR% Low
Density Error
Var
ies On Density correction ID ERROR.
This error occurs when abnormal
density is detected when stain has
occurred in print due to ID error.
(Extremely out of focus).
Because the PU firmware does not
notice this status to the CU firmware
in the Shipping Mode even when the
PU firmware has detected this status,
this error does not occur in the user
environment.
%COLOR%
Yello
w
Magenta
Cyan
Black
—
Sensor Calibration
Error
Var
ies On Sensor adjustment error
Because the PU firmware does not
notice this status to the CU firmware
in the Shipping Mode even when the
PU firmware has detected this status,
this error does not occur in the user
environment.
—
Registration Error
<n>
Var
ies On Color registration correction error.
Indicates that an error has occurred
during the coarse adjustment or in
the main scanning line correction.
Because the PU firmware does not
notice this status to the CU firmware
in the Shipping Mode even when the
PU firmware has detected this status,
this error does not occur in the user
environment.
n
2=
Yellow
3=Magenta
4=Cyan
—
Panel display
(The mark indicates no
message in the upper row.)
ON
LINE
lamp
Inspec-
tion
lamp
Details
Remedial
measure
Registration Sensor
Error <n>
Var
ies On Color registration correction sensor
error
Because the PU firmware does not
notice this status to the CU firmware
in the Shipping Mode even when the
PU firmware has detected this status,
this error does not occur in the user
environment.
n
2=
Yellow
3=Magenta
4=Cyan
—
%TRAY% runs out of
paper.
Var
ies On Indicates that the tray runs out of
paper.
Warning only is issued until the tray
that runs out paper is specified for
print.
%TRAY
%
Tray 1
Tray 2
Tray 3
Multi-purpose tray
Feed paper to
the indicated
tray.
The file system is full.
Var
ies On Indicates that the file system that has
been constructed on the recording
device (HDD/FLASH) runs out of free
space.
Because this is a temporary warning,
this warning is indicated until the job
is complete. It disappears at the
completion of the job.
Explain
user that no
remedial
measure is
required.
Writing in the file
system is prohibited.
Var
ies Varies Indicates that an attempt is made to
write data in the file system that has
been constructed on the recording
device (HDD/FLASH), and is
prohibited of writing data.
Because this is a temporary warning,
this warning is indicated until the
job is complete. It disappears at the
completion of the job.
Explain
user that no
remedial
measure is
required.

Oki C821 Specifications

General

Brand	Oki
Model	C821
Category	All in One Printer
Language	English