Oki MC860 Maintenance Manual

Oki Data CONFIDENTIAL
43967002TH Rev. 1
349 /
7. Troubleshooting
7.5.3.(2) Stain on white print (Refer to Fig. 7-2 B)
(2-1) Stain on white print (Partial stain)
Check item Check work
Action to be taken at NG
(2-1-1) ID unit
Exposure of drum to
light
Has the drum been left in the locations
where drum surface is exposed to light for
a long time?
Replace the ID unit.
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.
Toner leakage Check if toner leaks out from the ID unit or
from toner cartridge.
Replacement of
ID unit or toner
cartridge. 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.
(2-1-2)
Fuser unit
Offset toner of fuser
unit
Check visually that the offset toner of
pre
vious printing is left adhered to the fuser
unit or not.
Repeat blank
printing using
unwanted medial
until offset toner
is created on
the print media.
Alternately, 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 KEEP MODE.
(2-2) Stain on white print (Entire stain)
Check item Check work
Action to be taken at NG
(2-2-1) Print media
Types of media Is a specially thin media being used for
printing?
Use the specified
normal paper.
(2-2-2) High voltage ter
minal
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.

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