Oki MC860 Maintenance Manual

Oki Data CONFIDENTIAL
43967002TH Rev. 1
348 /
7. Troubleshooting
7.5.3.(1) Color has faded-out and blurred entirely. (Refer to Figure 7-2 A)
(1-1) Color are faded-out and blurred.
Check item Check work
Action to be taken at NG
(1-1-1) Toner
Residual amount of
toner
Confirm that the message “Please Install
Toner“ or “Toner Enpty” is not displayed on
the Operator Panel screen.
Replace the toner
cartridge with the
new one.
Tape attached to
the opening of toner
cartridge
Check that the tape is not removed from
the opening of the toner cartridge.
Move the toner
cartridge lever to
Close position, and
peel off the tape
from the opening of
the toner cartridge.
(1-1-2)
LED head
Lens of LED head Chec
k to see that lens surface of the LED
head is not stained by toner or paper dust.
Clean the lens with
LED head lens
cleaner.
LED head installed
status
Confirm that the LED head is installed in
the LED head holder normally. Confirm that
the tension springs in the right and left are
normally installed.
Return the MFP
to the installed
condition.
(1-1-3) Print media
T
ypes of media Check that the specially heavy media is not
used for printing.
Use the specified
normal paper.
Check item Check work
Action to be taken at NG
(1-1-4) High voltage terminal
ID unit terminal Confirm that the ID unit high voltage
terminal keeps contacting with the high
voltage terminal by visual check.
(Refer to Fig. 7-3.)
ID unit replacement
or high voltage
terminal repair If
any attempt of using
new ID unit as a
trial is going to be
made, be sure to
use the System
Maintenance Menu
FUSE KEEP MODE.
(1-1-5)
ID unit installed condition
ID unit down
position (T
ransfer
error)
Insert and remove the ID unit with hand
to check that it can move down to the
specified down position without any
abnormal load. Make a test of inserting
a paper in between the drum and belt. If
paper top can easily pass, it is not good
(NG).
Check the U groove
of the side plate for
any abnormality. If it
cannot be repaired,
replace it.

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