Oki MC561 User Manual

44473001TH Rev.1
234 /
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURES
(6-4) Jam occurs immediately after paper has reached the fuser.
Check item Check operation
Actions for NG
results
(6-4-1) 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.
Replace the
fuser motor.
Replace 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
KE
EP MODE.
(6-4-2) Temperature control of the roller rotation speed
Heat roller detected
temperature
Check the detected temperature of the heat roller
using the self-diagnostic mode. Is abnormally
high temperature or abnormally temperature
detected?
Replace the
fuser unit and
the PU/CU
board.
f 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.
(6-4-3) Check the installation condition of fuser unit
Fuser unit Check that the fuser unit is installed normally.
(Is it pushed in down to the bottom-most point?)
Install the fuser
unit correctly in
a printer.
7.5.4. (7) Paper unloading jam (error code 382)
(7-1) Paper unloading jam occurs immediately after the power is turned on.
Check item Check operation
Actions for NG
results
(7-1-1) Check condition of the paper running path
Paper running
path of the paper
unloading unit
Check if paper is jammed or not in the paper
running path.
Re
move the
jammed paper.
(7-1-2) Check condition of the mechanical parts
EXIT sensor lever
check
Check if shape and movement of the sensor
levers have any abnormality or not.
Re
place the
sensor lever with
the good sensor
lever.
(7-1-3) 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.
Replace: the
CU/PU board, or
the EXIT sensor
and its cord or
connection cord.
Check the output
signal level of the
EXIT sensor.
Check the following signal by using the CU/PU
board EXIT connector 8:
Pin-9: EXIT sensor
Confirm that the above signal levels change when
the sensor lever is operated.
Replace the
EXIT sensor.
(7-1-4) Check the system connection
EXIT sensor cord Confirm that the cables are not pinched, sheathes
are not peeled off, and they are assembled
normally.
Replace the
connecting
cable and
normalize the
assembled
condition.

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