Oki C821 Maintenance Manual

44015503TH Rev. 1
136 /
Oki Data CONFIDENTIAL
5. MAINTENANCE MENUS
• The following message appears when a test pattern is printed.
P=***
W=***
P: Number of test pages
W: Wait time
• The above displays are switched to the following by pressing the MENU up-
arrow (
) button.
T=*** U=***[###]
H=***%L=***[###]
U: Three asterisks (***) identifies a measured upper heater temperature (in
Celsius). Three sharp signs in square brackets ([###]) identifies a target
print temperature (in Celsius).
L: Three asterisks (***) identifies a measured lower heater temperature (in
Celsius). Three sharp signs in square brackets ([###]) identifies a read
lower thermistor AD value (in hex).
T
: A measured environment temperature (in Celsius).
H: A measured environment humidity (in percent figures).
• The above displays are switched to the following by pressing the MENU up-arrow
(
) button.
KTR=*.** YTR=*.**
MTR=*.** CTR=*.**
YTR, MTR, CTR and KTR indicate set transfer voltages for colors, respectively
(in kV).
• The above displays are switched to the following by pressing the MENU up-arrow
(
) button.
KR=*.** YR=*.**
MR=*.** CR=*.**
KR: A black transfer roller resistance value (in uA).
YR: A yellow transfer roller resistance value (in uA).
MR: A magenta transfer roller resistance value (in uA).
CR: A cyan transfer roller resistance value (in uA).
• The above displays are switched to the following by pressing the MENU up-
arrow (
) button.
ETMP=***UTMP=***
REG=****EXT=***
ETMP: A parameter for correction of constant hopping motor speed (an
environmental temperature) (in decimal).
UTMP: A parameter for correction of constant fuser motor speed (a target
fusing temperature) (in decimal).
R
EG: A hopping motor constant-speed timer value (a set input/output value)
(in hex).
E
XT: A fuser motor constant-speed timer value (a set input/output value) (in
hex).
• T
he above displays are switched to the following by pressing the MENU up-
arrow (
) button.
ID=****
KID, YID, MID and CID indicate image drum motor constant-speed timer
values, respectively (set input/output values) (in hex).

Oki C821 Specifications

General

Brand	Oki
Model	C821
Category	All in One Printer
Language	English