Oki MC860 User Manual

Troubleshooting > 149
D EALING WITH UNSATISFACTORY PRINTING
SYMPTOMS POSSIBLE CAUSES STEPS TO TAKE
Vertical white lines can
be seen on the printed
page.
The LED head is dirty. Wipe the LED head with a
soft, lint-free cloth.
The toner is low. Open the top cover and tap
the cartridge a few times to
evenly distribute any
remaining toner. If
symptoms persist, replace
the toner cartridge.
Foreign materials may be
present in the image drum.
Replace the image drum
cartridge.
Light-shielding film of the
image drum cartridge is
dirty.
Wipe the film with a soft,
lint-free cloth.
Printed images are
fading vertically.
The LED head is dirty. Wipe the LED head with a
soft, lint-free cloth.
The toner is low. Open the top cover and tap
the cartridge a few times to
evenly distribute any
remaining toner. If
symptoms persist, replace
the toner cartridge.
The paper is not suitable for
the printer unit.
Use recommended paper.
Printing is light. The toner cartridge is not
properly seated.
Reinstall the toner cartridge.
The toner is low. Open the top cover and tap
the cartridge a few times to
evenly distribute any
remaining toner. If
symptoms persist, replace
the toner cartridge.
The paper is moist. Use paper stored in proper
temperature and humidity
conditions.
The paper is not suitable for
the printer unit.
Use recommended paper.
Thickness and type of paper
are inappropriate.
Set a proper value for Media
Weight and Media Type in
the Paper Setup menu, or
set one value thicker for
Media Weight.
Recycled paper is being used. Set one value thicker for
Media Weight in the Paper
Setup menu.
Partially faded images.
White spots and lines
appear in solid
printing.
Paper is moist or dry. Use paper stored in proper
temperature and humidity
conditions.

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