Oki MC561 User Manual

44473001TH Rev.1
39 /
Oki Data CONFIDENTIAL
2. DESCRIPTION OF OPERATION
(3) Transport belt
1. As the transport belt motor runs in the direction of the arrow, the transport
belt is driven. The belt unit consists of one transport roller placed
immediately underneath each color drum, with a transport belt inserted in
between them.
As
the specified voltage is applied, the transport belt and the transport
rollers carry the paper on the transport belt to the fuser unit as transferring
the toner images present on each color drum to the paper.
Y M C
Drum
Transport belt roller
Transport roller
Transport belt
K
Figure 2-2
(1) Paper fed from 1st Tray
1. As illustrated in Figure 2-1, after the paper feed motor starts running
(clockwise) and the 1st clutch comes ON, the paper is fed from the 1st Tray.
2.
After causing the IN sensor to come ON, the paper is further carried over a
certain distance to finally hit the registration roller. (This corrects skew of the
paper.)
3
.
It causes the registration clutch to come ON and has the registration roller
carry the paper.
(2
) Paper fed from MPT
1. As illustrated in Figure 2-1, after the paper feed motor starts running
(clockwise) and the MPT clutch comes ON, the paper is fed from the MP
Tray.
2.
After causing the IN sensor to come ON, the paper is further carried over a
certain distance to finally hit the registration roller. (This corrects skew of the
paper.)
3
. I
t causes the registration clutch to come ON and has the registration roller
carry the paper.
IN sensor
Registration roller
WR sensor
Registration clutch
Paper feed roller
Paper feed sensor
Separation roller
1st clutch
Paper feed from
the 1st clutch
Paper feed motor
Paper feed
from the MPT
MPT clutch
Paper feed roller
Figure 2-1

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