Oki MC561 User Manual

44473001TH Rev.1
229 /
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURES
7.5.4. (4) Feed jam (error code 380)
(4-1) Jam occurs immediately after the power is turned on.
Check item Check operation
Actions for NG
results
(4-1-1) Check condition of the paper running path
Paper running path
of the front unit
Open the front cover check if paper is not
jammed in the paper running path.
Re
move the
jammed paper.
(4-1-2) Check condition of the mechanical parts
Hopping sensor,
IN sensor and WR
sensor lever check
Check the sensor lever shapes and operations
for any problem.
Replace the
sensor lever(s)
with proper
one(s).
(4-1-3) Check condition of electrical parts
Check the detection
condition of the
sensor signal.
Confirm that the sensor signals are normally
detected by using the Maintenance Menu
SWITCH SCAN function.
Replace the
CU/PU board
or appropriate
connection
cords.
Hopping sensor,
IN sensor and WR
sensor output level
check
Check the following signals by using the CU/PU
board HPSNS and RGSNS connector 16:
HPSNS pin 2: Hopping sensor
RGSNS pin 5: IN sensor
RGSNS pin 2: WR sensor
Confirm that the above signal levels change
when the sensor lever is operated.
Replace the
appropriate
sensor(s).
(4-2) Jam occurs immediately after the paper feed is started.
Check item Check operation
Actions for NG
results
(4-2-1) Check condition of the paper running path
Paper running path of
the front unit
Ch
eck if paper is jammed or not in the paper
running path.
Remove the
jammed paper.
(4-2-2) Check condition of the mechanical parts
Hopping sensor,
IN sensor and WR
sensor lever check
Check the sensor lever shapes and operations for
any problem
Replace the
sensor lever(s)
with proper
one(s).
(4-2-3) Motor operation check
P
a
per feed motor Confirm that the paper feed motor works normally
by using the Motor & Clutch Test of the self-
diagnostic mode.
Replace the
CU/PU board or
the feed motor.
Paper feed motor
driver
Pull out the CU/PU board HOP connector 1, and
check the following at the side of the connector:
Several M
between pin-1 – FG
Several M between pin-2 – FG
Several M between pin-3 – FG
Several M between pin-4 – FG
Replace the
CU/PU board.

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