Oki C821 Maintenance Manual

44015503TH Rev. 1
164 /
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
Belt Reflex Error
Var
ies On Belt reflectance check 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.
—
Density Shutter
Error2
Var
ies Varies Density correction shutter error 2
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.
—
Density Shutter
Error1
Var
ies Varies Density correction shutter error 1
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.
—
Density Color
Calibration Error
Var
ies Varies Density correction color calibration
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.
—
Density Color Sensor
Error
Var
ies Varies Density correction color 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.
—
Panel display
(The mark indicates no
message in the upper row.)
ON
LINE
lamp
Inspec-
tion
lamp
Details
Remedial
measure
Density Black
Calibration Error
Var
ies Varies Density correction black calibration
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.
—
Density Black Sensor
Error
Var
ies Varies Density correction black 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.
—
%COLOR% Image
Drum Smear Error
Var
ies Varies Density correction ID ERROR 2.
This error occurs when abnormal
density due to the LED head focus
error is detected. (Extremely stained
LED head)
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
—

Oki C821 Specifications

General

Brand	Oki
Model	C821
Category	All in One Printer
Language	English