Oki MC860 Maintenance Manual

Oki Data CONFIDENTIAL
43967002TH Rev. 1
315 /
7. Troubleshooting
Display Cause Error details Measure
Restart the MFP.
923: Fatal Error
Black image
drum lock
error
K ID does not rotate
normally.
Does the error display recur
even after turning OFF the
power once and back ON?
Yes
Yes
Check that the K ID is
installed normally.
Replace the K ID unit.
Replace the K ID motor.
Restart the MFP.
928: Fatal Error
Fuser motor
lock error
Fuser does not rotate
normally.
Does the error recurr? Yes
Yes
Check that the Fuser is
installed normally.
Replace the fuser unit.
Replace the fuser
motor.
Restart the MFP.
980: Fatal Error
Media
jamming
error around
fuser.
Media is jammed by
entangling around the fuser.
Turn OFF the power.
Replace the fuser unit.
SDRAM ERROR CU PCB
(CU) DCON
access error Does the error recurr? Yes
Turn OFF the power
once and back ON.
CU PCB replacement
xxxxxxxxxxxxxx-
xx.
CRC CHECK NG
( )
PU down-
loaded data
CRC check
error
After the PU data is
downloaded (PU firmware,
custom media data), CRC
check error is detected.
After turning OFF the
power once and back
ON, download the data
again. (This trouble
does not occur during
normal operation
because this process is
not used in the normal
operation.)
LOADER
VERSION.
xx xx
PU PCB
Flash ROM
hash check
error
Does the error recurr? Yes
Turn OFF the power
once and back ON.
PU PCB replacement
WDT ERROR.
R14= ××××××××
PU firmware
runaway
Does the error recurr? Yes
Turn OFF the power
once and back ON.
PU PCB replacement
Display Cause Error details Measure
COMMUNICA-
TION ERROR
I/F error
between PU
and CU.
Is the CU Assy installed
normally?
Does the error recurr?
Does the error recurr even
the options such RAM and
HDD is removed?
Note 2)
No
Yes
No
Yes
No
Re-install it correctly
CU PCB replacement
PU PCB replacement
CU PCB replacement
Replace the
corresponding option
Note) Because the service call 168 error, 171 error, 175 error, 903 error, 904 error
can occur when the MFP is placed in 0°C or below, store the MFP in a warm
environment if the MFP has got cold. After the MFP is appropriately warmed,
turn OFF the power once and back ON.
Note 2) H
owever, for the Security Kit Type A1, refer to item 7. 8.

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