Oki MC561 User Manual

44473001TH Rev.1
208 /
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURES
Display Cause Error details Measure
Inspection is
required.
131 : Error
～
134 : Error
LED head
detection
error (131=Y,
132=M,
133=C,
134=K)
Is the LED head installed
properly?
Is the LED head fuse
broken?
Does the error occur again?
No
Yes
Yes
No
Yes
Install the LED head
unit.
Check the LED head
fuse.
Check the fuse.
Turn off and on the
MFP.
Replace the LED head
unit.
Inspection is
required.
142 : Error
Image drum
up-down
movement
position
detection error
Is the image drum unit
removed and installed
smoothly?
Is the connector of the image
drum up-down clutch is
connected properly?
Yes
No
Yes
No
Re-install it.
Be sure of the
connection of the
image drum up-down
clutch connector.
Replace the toner
sensor board.
Connect the image
drum updown clutch
properly.
Inspection is
required.
153 : Error
Image drum
unit fuse-cut
error
Is the image drum unit
installed properly?
Does the error occur again?
Is the MFP recovered by
replacing the toner sensor
board.
No
Yes
Yes
No
Re-install it.
Turn off and on the
MFP.
Be sure of the cable
connection from the
CU/PU board to the
toner sensor board,
and then replace the
toner sensor board.
Replace the CU/PU
board.
Inspection is
required.
154 : Error
Belt unit fuse-
cut error
Is the belt unit installed
properly?
Does the error occur again?
No
Yes
Yes
Re-install it.
Turn off and on the
MFP.
Be sure of cable
connection, and then
replace the CU/PU
board.
Display Cause Error details Measure
Inspection is
required.
155 : Error
Fuser unit
fuse-cut error
Is the fuser unit installed
properly?
Does the error occur again?
No
Yes
Yes
Clean the connection
connector of the fuser
unit, and then re-
install the fuser unit.
Turn off and on the
MFP.
Be sure of cable
connection, and then
replace the CU/PU
board.
Inspection is
required.
160 : Error
～
163 : Error
Toner sensor
detection
error (160=Y,
161=M,
162=C,
163=K).
This error
does not
occur with
the MFP in
the factory
shipped
configuration.
Is the toner cartridge
installed?
Is the toner slide shutter set?
No
No
Yes
Install the toner
cartridge.
Turn it to the fixed
position. Turn off and
on the MFP.
Replace the toner
sensor assembly.
Inspection is
required.
167 : Error
Thermistor
slope error
Does an error message
appear?
Does the error occur again? Yes
Turn off and on the
MFP.
Turn off and on the
MFP after leaving it for
30 minutes.
Inspection is
required.
168 : Error **
Compensation
thermistor
error
Does an error message
appear?
Does the error occur again? Yes
Turn off and on the
MFP.
Turn off and on the
MFP after leaving it for
30 minutes.
Inspection is
required.
170 : Error
171 : Error
A fuser
thermistor
short or open
circuit was
detected.
Does the error occur again? Yes
Turn off and on the
MFP.
Replace the fuser unit.

Oki MC561 Specifications

Printing Specifications

Print Speed	Up to 27 ppm color, 31 ppm black & white
Time to First Page	As fast as 8 seconds in color, 7.5 seconds in black & white
Print Resolution	Up to 1200 x 600 dpi

Copying Specifications

Copy Speed	Up to 27 cpm color, 31 cpm black & white
First Copy Out	As fast as 14 seconds in color, 12 seconds in black & white
Copy Resolution	Up to 600 x 600 dpi

Scanning Specifications

Scan Type	Color and black & white flatbed
Scan Resolution	Up to 1200 x 1200 dpi
Scan Speed	Approx. 3 sec./page color, approx 2 sec./page black & white at 300 dpi

Fax Specifications

Fax Modem	33.6 Kbps Super G3
Transmission Speed	3 seconds/page
Fax Resolution	Up to 200 x 400 dpi

System Memory

Standard Imaging RAM	256 MB
Max Imaging RAM	768 MB
SD Card Storage	4 GB standard; 16 GB optional

Paper Handling

Scanner RADF Capacity	Up to 50 letter/legal sheets
Standard Input	350 sheets (250 sheets via Main Tray + 100 sheets via MPT)
Maximum Input	880 sheets (with optional 530-sheet 2nd Paper Tray)

Environmental Specifications

Size	16.8" x 20" x 17.5" (42.7 cm x 50.9 cm x 44.4 cm)
Weight	63 lb. (29 kg)
Power Consumption	Operating Normal 570W; Max 1170W; Idle 100W; Power Save 20W; Deep Sleep <1.5W