Oki C531 Maintenance Manual

44951501TH Rev.2
5-17
Oki Data CONFIDENTIAL
5. MAINTENANCE MENUS
• Thefollowingmessageappearsduringprinting:
P=***
W=***
P: Number of test print pages
W: Wait time
• Thedisplaysareswitchedbypressing .
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 ambient temperature (in Celsius).
H: A measured ambient humidity (in percent figures).
• Thedisplaysareswitchedbypressing
.
KTR=*.** YTR=*.**
MTR=*.** CTR=*.**
YTR, MTR, CTR and KTR indicate the set transfer voltage values for colors,
respectively (in kV).
• Thedisplaysareswitchedbypressing
.
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displaysareswitchedbypressing
.
ETMP=***UTMP=***
REG=****EXT=***
ETMP: A parameter for correction of constant hopping motor speed (an
ambient temperature) (in decimal).
UTMP: A parameter for correction of constant fuser motor speed (a target
fusing temperature) (in decimal).
REG: A hopping motor constant-speed timer value (a set input/output value)
(in hex).
EXT: A fuser motor constant-speed timer value (a set input/output value) (in
hex).
• Thedisplaysareswitchedtothefollowingbypressing
.
ID=****
ID: An image drum motor constant-speed timer value (a set input/output
value) (in hex).
• Thedisplaysareswitchedpressing .
BELT=****
FRM [***] ( xxx )
BELT: A belt motor constant-speed timer value (a set input/output value) (in
hex).
FRM: Three asterisks in square brackets ([***]) identifies a read frame
thermistor AD value (in hex).
Three cross signs in brackets ((xxx)) identifies a frame temperature (in
Celsius).
• Thedisplaysareswitchedbypressing
.
DB:k**y**m**c**
DB: A developing voltage setting table identification number (in hex).

Oki C531 Specifications

General

Print Technology	LED
Print Speed (Black)	30 ppm
Print Speed (Color)	30 ppm
Duplex Printing	Yes
Operating System Compatibility	Windows, Mac OS, Linux
Weight	22 kg
Connectivity	USB 2.0, Ethernet
Media Size	A4, A5, A6, B5, Letter, Legal, Envelopes
Resolution	Up to 1200 x 600 dpi
Input Capacity	250 sheets