Oki MC561 User Manual

44473001TH Rev.1
216 /
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURES
(2-2) Abnormal sound
Check item Checking Action in case of fail
(2-2-1) Checking for loss of synchronization of motor (driver failure)
Operation of each motor Check whether each motor
operates properly using the self-
diagnosis mode.
Check by detection of a load.
Noise that sounds like "pooh" is
made when there is a fault.
Replace CU/PU PCB
and SU PCB.
Condition of each motor cable Check the wiring of each motor.
Check for a short circuit by visual
check and using a tester.
Disconnect the motor cable
from the PCB and check the
resistance between the FG and
each pin of the disconnected
cable.
Replace the motor
cable.
Correct the wiring.
(2-2-2) Checking for loss of synchronization of motor (load by consumables)
Operation of each motor Check whether each motor
operates properly using the self-
diagnosis mode.
Check by detection of a load.
Noise that sounds like "pooh" is
made when there is a fault.
Replace the
consumable(s).
When testing with a new
consumable part, use
the fuse keep mode on
the system maintenance
menu.
(2-2-3) Check for gear jumping (load by consumables)
Operation of each motor Check whether each motor
operates properly using the self-
diagnosis mode.
Check by detection of a load.
Noise that sounds like "batz batz"
is made when there is a fault.
Replace the
consumable(s).
When testing with a new
consumable part, use
the fuse keep mode on
the system maintenance
menu.
Position of consumables Check visually whether each
consumable gear is in place and
they engage with one another.
Replace or repair
mechanical part(s).
Check item Checking Action in case of fail
(2-2-4) Checking cable wiring
Cable wiring around cooling
fans
Check whether a cable touches
the blades of a fan as the cable
is not properly laid.
When it does, noise that sounds
like "clack clack" is made.
Lay the cable properly.

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