Oki MC860 Maintenance Manual

Oki Data CONFIDENTIAL
43967002TH Rev. 1
347 /
7. Troubleshooting
7.5.3 Troubleshooting the abnormal images
A Overall faded-out
Blurred
B
Stain on white print
C
Entirely white
D
Black banding/black
streaking in vertical
direction
E
Cyclic abnormality
F
White banding/white
streaking in vertical
direction
Fig. 7-2
Note! When an attempt is going to be made to replace the PU PCB, be sure to read
th
e data contents of the EEPROM chip from the old PU PCB beforehand, and
copy the data contents into the new PCB after the new PU PCB is installed.
7.5.3.(1) Color has faded-out and blurred entirely. (Refer to Figure 7-2 A) .............348
(1-1)
Color are faded-out and b
lurred. ..........................................................348
7.5.3.(2) Stain on white print (Refer to Fig. 7-2 B) ..................................................349
(2-1) Stain on white print (P
artial stain) ........................................................349
(2-2) Stain on white print (Entire stain)
.........................................................349
7.5.3.(3) All white page print (Refer to Fig. 7-2 C) ..................................................350
(3-1) All white page print on paper
...............................................................350
7.5.3.(4) Vertical line is printed ................................................................................350
(4-1) Thin ver
tical line (with color) (Refer to Fig. 7-2 D) ...............................350
(4-2) Thin ver
tical line (with color)(Refer to Fig. 7-2 F) .................................350
7.5.3.(5) Cyclic abnormal print (Refer to Fig. 7-2 E) ...............................................351
(5-1) Cyclic abnormal pr
int in vertical direction. ...........................................351
7.5.3.(6) Color registration error is heavy ..............................................................351
(6-1) Message “Color adjustment in prog
ress” at power on is
display short time .................................................................................351
(6-2) Color registration error e
ven though the Engine
Maintenance Function “REG. ADJUST TEST” shows OK ...................351
7.5.3.(7) All black page print ...................................................................................352

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