Oki MC561 User Manual

44473001TH Rev.1
215 /
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURES
7.5.4.(2) Abnormal MFP operation after powered on
(2-1) No operation
Check item Checking Action in case of fail
(2-1-1) Checking power supplies
AC power supplied to the
printer
Check the supplied voltage from
the AC power source.
Supply AC power.
5V and 24V power supplied to
CU/PU PCB
Check the power supply using
the POWER connector on the
CU/PU PCB.
7, 8, 9pin: 24V
1, 2, 3pin: 5V
4, 5, 6pin: 0VL
10, 11, 12pin: 0VP
Replace the low-voltage
power supply.
3.3V, 5V, and 24V power
supplied to SU PCB
Check the power supply using
the POWER connector on the SU
PCB.
1pin: 3.3V
3, 4pin: 5V
7, 8pin: 24V
2pin: 0V
5, 6pin: 0VL
9, 10pin: 0VP
Replace the low-voltage
power supply.
(2-1-2) Checking connections
Connection between low-
voltage power supply unit and
CU/PU PCB
Make sure the low-voltage power
supply unit is connected to the
POWER connector on the PU/CU
PCB properly.
Check whether the cable
connector is half-connected
or tilted, or whether wires are
broken.
Check whether there is any
fault in the cable assembly, e.g.,
missing wires.
Connect the cable
properly.
Cable assembly connecting
low-voltage power supply unit
to CU/PU PCB
Replace the cable with
a good cable.
Connection between low-
voltage power supply unit and
SU PCB
Do the checking as described in
(1-1-2).
Refer to (1-1-2).
Cable assembly connecting
low-voltage power supply unit
to SU PCB
(1-2) Display of OKI logo
Check item Checking Action in case of fail
(1-2-1) Operation panel display does not change.
Operation panel display OKI logo stays on. Replace the SU PCB.
(1-3) Error message display
Check item Checking Action in case of fail
(1-3-1) Error message
Error message display Check the detail of the error on
the error message list.
Follow the instructions.

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