Oki MC860 Maintenance Manual

Oki Data CONFIDENTIAL
43967002TH Rev. 1
338 /
7. Troubleshooting
(8-4) Two-sided printing jam occurs during transporting paper inside the Duplex unit.
Check item Check work
Action to be taken at NG
(8-4-1) Sensor lever operation check
Dup-R, Dup-F
sensor lever
Remove the Duplex unit and check
movement of the sensor lever
Sensor lever
replacement
(8-4-2) Sensor check
Chec
k the detection
condition of the
sensor signal.
Confirm that the sensor signals are
normally detected by using the SWITCH
SCAN function of the self-diagnostic mode.
For all sensors except the Dup-IN sensor,
check the detection condition of the
respective sensor in the two status: One is
the status in which paper remains inside
the Duplex unit. The other is the status in
which paper is removed from the Duplex
unit.
Replace the Duplex
PCB (V7Y PCB),
or replace the
defective sensor or
connection cable.
(8-5) Paper is not supplied from the Duplex unit to the regist roller.
Check item Check work
Action to be taken at NG
(8-5-1) Sensor lever operation check
Duplex clutch Confirm that the Duplex clutch works
normally by using the Motor & Clutch Test
of the self-diagnostic mode.
Confirm it by listening to the sound.
V7Y PCB
replacement or
clutch replacement.
7.5.2.(9) Paper size error (error code 400)
(9-1) Jam occurs when paper end is located near the IN1 sensor.
Check item Check work
Action to be taken at NG
(9-1-1) Check paper feed condition
Multifeed of papers Open the front cover and check if multifeed
of papers occurs or not.
If the multifeed
occurs again after
the jammed paper
is removed, replace
the flap of the tray in
use.
Paper size Does the paper size specified for print
match the paper size of paper stuck in the
tray.
Change the
specified paper size
or size of paper
inside the tray.
Paper entrance
sensor 1
Check if shape and movement of the
sensor levers have any abnormality or not.
Replace the sensor
lever with the good
sensor lever.

Oki MC860 Specifications

Printing Specifications

print speed color	26 ppm
print speed black & white	33 ppm
time to first page color	10 seconds
time to first page black & white	9.5 seconds
print resolution	1200 x 600 dpi
processor	500 MHz PowerPC CPU
duty cycle	75, 000 prints per month

Copying Specifications

copy speed color	26 cpm
copy speed black & white	33 cpm
first copy out color	14.5 seconds
first copy out black & white	13 seconds
copy resolution	600 x 600 dpi

Scanning Specifications

scan type	Color and black & white
max scan area	11" x 17"
scan speed black & white	33 spm
scan speed color	26 spm
scan resolution	600 dpi

Fax Specifications

fax modem	33.6 Kbps Super G3
transmission speed	2 seconds/page
fax resolution	600 x 600 dpi
speed dial locations	500 locations
broadcast transmission locations	530 locations

Power and Acoustic Noise

power consumption peak	1, 300W
power consumption standby	160W Avg.
power save mode	≤25W
acoustic noise operating	54dB
acoustic noise standby	≤37dB

System Memory

standard imaging RAM	512 MB
max imaging RAM	768 MB
hard disk drive	40 GB

Weight and Dimensions

1-tray configuration dimensions	22.2" x 25.9" x 26.3"
2-tray configuration dimensions	33.3" x 30.2" x 44.5"
weight 1-tray configuration	149.9 lb
weight 2-tray configuration	200.6 lb
weight 3-tray configuration	211.6 lb