Oki MC860 User Manual

Troubleshooting > 150
D EALING WITH UNSATISFACTORY COPYING
As well as the suggestions provided in “Dealing with unsatisfactory printing” on page 149,
ensure that the scanner unit glass is clean at all times. Refer to “...the document glass” on
page 129.
Vertical lines appear. The image drum cartridge is
damaged.
Replace the image drum
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.
Horizontal Lines and
spots appear
periodically.
When the interval is about
94mm (4in), the image drum
(the green tube) is damaged
or dirty.
Wipe it lightly with a soft
cloth. Replace the image
drum cartridge when it is
damaged.
When the interval is about
42mm (1.5in), there may be
foreign particles in the image
drum cartridge.
Open/close the top cover,
and print again.
When the interval is about
87mm (3.5in), the fuser unit
is damaged.
Replace the fuser unit.
The image drum cartridge
has been exposed to light.
Replace the image drum
cartridge if the problem is
not resolved.
White area of paper is
lightly stained.
Paper contains static. Use paper stored in proper
temperature and humidity
conditions.
Too thick paper is used. Use thinner paper.
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.
Periphery of the letters
is smudged.
The LED head is dirty. Wipe the LED head with a
soft, lint-free cloth.
Toner c o mes off w h en
it is rubbed.
The thickness and type of the
paper are incorrectly set.
Set the correct value of
Media Type and Media
Weight in the Paper Setup
menu or set one value
thicker for Media Weight.
Recycled paper is used. Set one value thicker for
Media Weight in the Paper
Setup menu.
Glossiness is not
uniform.
The thickness and type of the
paper are incorrectly set.
Set the correct value of
Media Type and Media
Weight in the Paper Setup
menu or set one value
lighter for Media Weight.
SYMPTOMS POSSIBLE CAUSES STEPS TO TAKE

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