Oki MC561 User Manual

44473001TH Rev.1
236 /
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURES
(7-3) Paper unloading jam occurs in the middle of paper running path.
Check item Check operation
Actions for NG
results
(7-3-1) Motor operation check
Fuser motor Confirm that the fuser motor works normally
by using the Motor & Clutch Test of the self-
diagnostic mode.
Check if any load exists or not.
Replace the
CU/PU board,
the fuser motor
or the fuser
unit.
If any attempt
of using new
fuser unit as
a trial is going
to be made,
be sure to use
the System
Maintenance
Menu FUSE
KEEP MODE.
7.5.4. (8) Two-sided printing jam (error code: 370, 371, 372, 373, 383)
(8-1) Two-sided printing jam occurs immediately after the power is turned on.
Check item Check operation
Actions for NG
results
(8-1-1) Check condition of the paper running path
Paper running path
of the Duplex unit
Ch
eck if paper is jammed or not in the paper
running path.
Open the front cover and check if any paper
remains in the Duplex feeder or not.
Open the rear cover and check if any paper
remains in the paper reversing path or not.
Remove the Duplex unit. Check if any paper
exists in the Duplex insertion slot or not. Open
the cover of the Duplex paper running path and
check if any paper remains inside of the Duplex
unit.
Remove the
jammed paper.
Check item Check operation
Actions for NG
results
(8-1-2) Check condition of the mechanical parts
Check the sensor
levers of the
respective sensors
of t
he Duplex unit.
Check if shape and movement of the sensor
levers have any abnormality or not.
Replace the
sensor lever
with the good
sensor lever.
(8-1-3) Check condition of electrical parts
Check the detection
condition of the
se
nsor signal.
Confirm that the sensor signals are normally
detected by using the SWITCH SCAN function of
the self-diagnostic mode.
Check sensor detection with paper in the duplex
unit, and with it removed from the duplex unit.
Replace the
Duplex board
(V7Y PCB),
or replace
the defective
sensor or
connection
cable.
(8-2) Two-sided printing jam occurs during taking in the paper into Duplex unit.
Check item Check operation
Actions for NG
results
(8-2-2) Sensor lever operation check
DUP-R sensor lever Open the top cover, remove the image drums and
the belt unit, and touch the DUP-R sensor lever
to check whether it moves smoothly.
Replace the
DUP-R sensor
lever.
DUP-IN sensor Confirm that the sensor signals are normally
detected by using the SWITCH SCAN function of
the self-diagnostic mode.
Replace the
CU/PU board,
or appropriate
sensor(s) or
connection
cord(s).

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