Tray 1: 300 sheets of 20-lb. (75 g/m2) paper
Optional Tray 2: 530 sheets of 20-lb. (75 g/m2) paper
Loading Paper
1
2
3
4
To Change the Media
Default
1. Press E
2. Press + repeatedly until MEDIA
MENU appears on the display.
3. Press E
4. Press + repeatedly until you see
•TRAY1 MEDIAWEIGHT, or
•TRAY2 MEDIAWEIGHT
5. Press E
The second line of the display
starts blinking.
6. Press + repeatedly until the
second line of the display shows
the Value (Light, Medium, or
Heavy [see page 11]) you wish
to use.
7. Press E
8. Press O
NTER
.
NTER
.
TRAY1 PAPE RSIZE
LETTER
NTER
.
NTER
.
N LINE
.
5
Multi-Purpose Tray
Media Specifications
Weight
Range
Size Range:
Takes:
20 to 54 lb. US Bond (42 to 113 lb. Index, 75 to 203 g/m2 metric)
Min. 4.13" x 5.83" [105 to 148 mm], max. 8.5" x 14" [216 x 356 mm]
(Non-standard sizes must be defined in driver before printing: see your
on-line User’s Guide.)
Banners: 8.25 to 8.5'' [210 to 216 mm] wide by up to 47.25'' [1.2 m]
long. Must be fed one sheet at a time.
1. For all but Windows 2000, click
Properties or Preferences.
Otherwise go to step 2.
2. On the Setup tab, select Long
Edge or Short Edge under
2-Sided Printing.
Print. Select the C6100
Specifications
Paper Weight
20 to 28 lb. US Bond (75 to 105 g/
2
m
).
Note
If you experience curling with 20
or 24 lb. paper, switch to 28 lb.
Paper Feed
Tray 1, Optional Tray 2 or MP Tray.
Macintosh
1. Under Presets, select Duplex.
2. Under Duplex, select Long-Edge
Binding or Short-Edge Binding.
9
Print Media Settings
General Information
Why Change Settings?
Always make sure the media
setting matches the print media
you are using.
Improper media settings:
• cause poor quality printing
•cause flaking
• can damage the printer
Printer Driver Versus
Printer Menu
Print media settings can be made in
the printer driver or in the printer
menu.
• Printer driver settings override
printer menu settings.
Default Settings
The default media weight setting
for all trays is Medium (20 to 27 lb.
US Bond [75 to 101 g/m
Changing the Default
See pages 5 and 7.
2
]).
4. Press E
The printer resets and returns to
the on-line state.
NTER
.
Temporarily Changing
the Media Weight for
an Individual Print
Job
If you are printing a job on special
media, you can temporarily load
the media in a tray and change the
media settings for that tray in the driver as you print the job.
Resetting to the Original
Defaults
1. Press E
2. Press - repeatedly until you see
MAINTENANCE MENU on the
display.
3. Press E
NTER
.
NTER
.
MENU RESET
EXECUTE
10
Print Media Settings
Selectable Media Weight Settings
Ranges for Printer
Media Weight
Media weight settings can be made
in the printer menu or the printer
driver.
Important!
Settings made in the printer driver
override the printer menu settings.
Selectable Media Weight
Settings
SettingMedia Weight
LightUS Bond: 17 to 19 lb.
Index: 35 to 40 lb.
Metric: 64 to 71 g/m
MediumUS Bond: 20 to 27 lb.
Index: 42 to 56 lb.
Metric: 75 to 101 g/m
HeavyUS Bond: 28 to 32 lb.
Index: 58 to 67 lb.
Metric: 105 to 120 g/m
Ultra HeavyUS Bond: 33 to 54 lb.
Index: 69 to 113 lb.
Metric: 124 to 203 g/m
2
2
2
2
US Bond versus Index
To determine if a paper weight is
US Bond or Index, check the metric
equivalent. E.g.,
2
•35 lb. US Bond = 132 g/m
•35 lb. Index = 64 g/m
For more information, go to
www.paper-paper.com/
weight.html.
Sample Ream Labels
US BOND
Media Weight, US Bond
[sometimes given as substance]
Media Weight, Metric
INDEX
2
11
Media Weight, Index
Media Weight, Metric
Print Media
Paper
Specifications
Caution!
The ink on pre-printed letterhead stationery must be able to withstand
446°F (230°C) for 0.2 second, including mechanical pressures to 25 psi
(1.8 kg/cm
Important!
If you experience curling when printing a file in duplex mode, switch to 28-lb. US
Bond paper.
2
).
FeedSizesExit
Tray 1• Letter
•Executive
•Legal-14
• Legal-13.5
•Legal-13
•A4, A5, A6
•B5
Tray 2Same as Tray
1, but no A6.
MP Tray Same as Tray
1, but custom
sizes can also
be used.
1. Weights in this column are US Bond (see page 11 for more information).
2. Min. = 4.13" x 5.83"; max. = 8.5" x 14": must be defined in the printer driver.
•Top
•Rear
•Top
•Rear
•Rear
2
Media Weight
• Light (17- 19 lb.)
• Medium (20-27 lb.)
• Heavy (28-32 lb.)
• Light (17- 19 lb.)
• Medium (20-27 lb.)
• Heavy (28-32 lb.)
• Ultra Heavy (33-54 lb.):
limited to 47 lb. max.
• Medium (20-27 lb.)
Only
• Heavy (28-32 lb.)
• Ultra Heavy (33-54 lb.)
1
Recommended Media
•Oki Bright White
Proofing Paper, 32 lb.
(see page 15)
• Hammermill Laser
Printer Radiant White,
24 lb.
• Xerox 4024, 20 lb.
Same as Tray 1
Same as above, plus:
• Oki Banner Paper (see
page 15).
Banner Paper__________________________________
• Width: 8¼ to 8½" (210 to 216
mm)
• Length: 14 to 47¼" (357.4 to
1200 mm)
• Paper Weight: up to 34 lb. US
Bond (128 g/m2)
• Feed Tray: MP Tray Only
• Exit Tra y: Rea r Exi t Tra y Only
• Printing: Simplex (1-sided) Only
Note
Banner paper must be fed in one
sheet at a time.
1
12
Print Media
Transparencies, Labels
Caution!
Print media must be able to
withstand 446°F (230°C) for 0.2
second, including mechanical
pressures to 25 psi (1.8 kg/cm
2
).
General Parameters
• Size: Letter or A4
• Feed: MP Tray Only
• Exit: Rear Exit Tray Only
Transparencies
Important!
Use only recommended transparencies.
Recommended
Transparencies
• Oki Premium Color
Transparencies (see page 15)
• 3M CG3720
Printing
Individual Jobs
Make the following settings in the
printer driver as you print the job:
•Source = MP Tray
• Media Size = Letter or A4
• Media Typ e = Tran sparen cy
All Jobs (Set Transparencies as
the Default)
Set the printer menu as follows
(see page 3):
• MP Tray PaperSize = Letter (the
default) or A4
• MP Tray MediaType =
Transparency
Labels
Loading
Labels
•MP tray
•Label side
up
•Top edge
aimed into
the printer.
Recommended Labels
• Avery 5161 White Laser Label,
Letter Size
• Avery 7162, 7664, 7666 White
Laser Labels, A4 Size
Printing
Individual Jobs
Make the following settings in the
printer driver as you print the job:
•Source = MP Tray
• Media Size = Letter or A4
• Media Type = Labels
All Jobs (Set Labels as the
Default)
Set the printer menu as follows
(see page 7):
• MP Tray PaperSize - Letter or A4
• MP Tray MediaType = Labels
13
Print Media
Thick Paper, Envelopes
Note:
Use the rear exit tray only.
Thick Paper
Caution!
To avoid damage to the printer,
ALWAYS CHANGE THE PRINTER
SETTINGS WHEN PRINTING ON
THICK MEDIA.
Recommended
• Oki Premium Card Stock (see
page 15)
Printing
Individual Jobs
Make the following settings in the
printer driver as you print the job:
•Source = Tray1 (
Bond) or MP Tray (20-54 lb. US
Bond)
• Size = Letter, Executive,
Legal-14, Legal-13.5, Legal-13,
A4, A5, A6, B5, Custom (must be
defined in the printer driver).
• Type = Heavy (28-32 lb. US
Bond) or Ultra Heavy (33-54 lb.
US Bond).
All Jobs (Set Thick Paper as the
Default)
Set the printer menu to (see page
7):
•PaperSize = Same as for
individual print jobs.
•Media Type:
– Tray 1 = Heavy (28-32 lb. US
Bond)
– MP Tray = Heavy (28-32 lb. US
Bond) or Ultra Heavy (33-54 lb.
US Bond)
17-32 l
b. US
Envelopes
Caution!
Envelopes must be able to
withstand 446°F (230°C) for 0.2
second, including mechanical
pressures to 25 psi (1.8 kg/cm
Important!
For the best print results, use only
the recommended envelopes.
Never use envelopes with metal
clasps, snaps, windows, or V-flap
seals:
Recommended
• Oki Premium Envelopes (see
Printing
Individual Jobs
Make the following settings in the
printer driver as you print the job:
To purchase Oki media, contact
your local Oki dealer or visit:
WWW.OKIPRINTINGSOLUTIONS.COM
15
Power Save Mode
Power Save sets how long the
printer waits before going into
standby mode. This saves energy,
but the printer requires time to
warm up when it receives a print
job or if you want to enter the
menu and change settings.
Setting the Power Save
Interval
1. Press + repeatedly until you see
SYSTEM CONFIG MENU on the
display.
2. Press E
3. Press E
The second line of the display
starts blinking.
4. Press + repeatedly until the
value you wish to select (
30, 60 [default], or 240
minutes) appears on the
display.
5. Press E
The new setting is engaged and
the second line of the display
stops blinking.
6. Press O
NTER
.
POW SAVE TIME
60 MIN *
NTER
.
5, 15,
NTER
twice.
N LINE
.
Disabling (or
Re-enabling) Power
Save
The printer comes set for Power
Save enabled. To disable (or
enable) Power Save
1. Press E
mode.
2. Press - repeatedly until you see
MAINTENANCE MENU on the
display.
3. Press E
4. Press + repeatedly until you see
5. Press E
The second line of the display
starts blinking.
6. Press + to toggle back and forth
between DISABLE and ENBABLE.
7. Press E
The new setting is engaged and
the second line of the display
stops blinking.
8. Press O
NTER
to enter the Menu
NTER
.
POWER SAVE
ENABLE†
NTER
.
NTER
twice.
N LINE
.
16
Control Panel
B
ACK
Button
In the Menu mode, press B
go back to the previous Item or
Category, or to place the printer
back on line.
ACK
to
+ Button
Press + to enter the Menu mode or
to go to the next Category, Item or
Value in the Menu.
Press and hold this button to
advance rapidly through the
entries.
– Button
Press – to go back to the previous
Category, Item or Value in the
Menu.
Press and hold – to rapidly advance
backwards through the entries.
E
NTER
Button
Press E
mode.
When the printer is in the Menu
mode, press E
Category or Item to change. Once
you have changed the setting to a
new Value, press E
the Value.
ON L
Press ON L
between on line and off line status.
NTER
to enter the Menu
NTER
INE
Button
INE
to switch the printer
to select a
NTER
to engage
When the printer is in the Menu
mode, press O
Menu mode and return the printer
to on line.
If there is a paper size mismatch
error, press O
to print.
Press O
print job from the MP Tray once
paper has been loaded.
If there is a memory overflow,
press O
the printer back on line.
C
Press and hold C
printing the current job.
When the printer is in the Menu
mode, press C
Menu mode and place the printer
back on line.
R
On:
Off:
Flashing:
A
On:
Off:
Flashing:
N LINE
N LINE
ANCEL
EADY
Light (Green)
printer is on line.
printer is off line.
TTENTION
Warning or Error status
Normal status.
N LINE
to exit the
N LINE
to force the job
to start a manual
to recover and place
Button
ANCEL
to stop
ANCEL
to exit the
printer is receiving data.
Light (Red)
Alarm status.
17
Clearing Media Jams
Duplex (370, 373)
Jam 370 or 373
1
2
3
Caution!
Fuser may be hot!
If the Sheet is Trapped in the
Fuser:
2
3
4
5
1
6
18
Clearing Media Jams
Duplex (371)
Jam 371
1Power off!
2
3
4
5
6
19
7
Clearing Media Jams
Paper Feed (372, 380, 390)
Front Cover Jams 372, 380
1
2
3
MP Tray Jam 390
If the Sheet Can’t Easily Be Pulled
Out from the Front:
1
2
20
Clearing Media Jams
Internal (381)
Jam 381
1
Caution!
The fuser behind the cyan (C)
toner may be HOT.
2
Caution!
To avoid damage to the drums:
C
M
Y
3
Note
To remove a sheet trapped in the
fuser:
K
4
• Be sure to set the drums on a
flat surface.
• Do not expose the drums to light
for more than 5 minutes.
• Do not touch the shiny green
area on the bottom.
5
21
Clearing Media Jams
Internal (382, 383)
Jams 382, 383
1
2
• If the sheet does not come
out easily, continue.
• If the sheet does come out
easily, close the cover.
3
5
6
4
22
Clearing Media Jams
Paper Tray (391, 392)
Jam 391 (Tray 1)
1
2
Jam 392 (Optional Tray 2)
1
Both
3
4
5
2
23
Common Error Messages
For additional error messages, see
your on-line User’s Guide.
XXX TONER SENSOR ERROR
Open the cover. Push the
Toner lock lever toward the back of
the printer as far as it will go. Close
the cover. If this does not clear the
message, call your local service
dealer.
XXX ORDER TONER
Note
If you have changed the LOW
TONER setting to STOP, the
ATTENTION light will blink and
you must either replace the
toner cartridge immediately or
press the ON LINE button to
continue printing.
Be sure you have a genuine OKI
replacement toner cartridge on
hand (see page 2).
INSTALL NEW TONER
nnn: XXXX TONER EMPTY
XXX
TONER NOT
INSTALLED XXXX
Note
Toner
XXXX
is missing or an
incorrect toner cartridge is
installed. When this message
appears, the printer stops after
every 20 pages. To continue
printing, you must open and
close the top cover.
Replace the toner with a genuine
OKI Toner Cartridge (see page 2).
NON GENUINE
TONER XXXX
Note
The toner cartridge indicated
(
XXXX
) is not a genuine OKI
Toner Cartridge. When this
message appears, the printer
stops after every 20 pages. To
continue printing, you must open
and close the top cover.
Remove the toner cartridge and
replace it with a genuine OKI Toner
Cartridge (see page 2).
Replace the
with a genuine OKI Toner Cartridge
(see page 2).
XXXX
toner cartridge
XXXX DRUM LIFE
Replace the
(See the instructions supplied with
the new image drum.)
xxxx
image drum.
24
Common Error Messages (cont.)
INSTALL ADDITIONAL MEMORY
420: MEMORY OVERFLOW
• Reduce the size of the file being
printed (e.g., print the file as
separate groups of pages instead
of all the pages at one time).
• Install additional memory in the
printer (see your on-line User’s
Guide for more information).
TRAY t EMPTY
Load more media in the indicated
tray.
CANCELING JOB
(USER DENIED)
The Job Accounting software has
detected a print job from a user
who is either
• not authorized to print
or
• trying to print a color job and
only authorized to print black
and white jobs.
The user should contact the System
Administrator to see if their
authorization can be changed.
25
Service & Support
First …
Consult the store where you purchased your printer.
Additional OKI Resources
• Available 24 hours a day, 7 days a week
• Visit our multilingual web site:
•Visit
• Call 1-800-654-3282.
MY.OKIDATA.COM
OKI is a registered trademark of Oki Electric Industry Company, Ltd.
3M is a trademark or registered trademark of 3M.
AmEx is a registered trademark of American Express Co.
Avery is a registered trademark of Avery Dennison Corporation.
HammerMill is a registered trademark of HammerMill.
MasterCard is a registered trademark of MasterCard International, Inc.
VISA is a registered trademark of Visa.
Windows is either a registered trademark or trademark of Microsoft Corporation in
the United States and other countries.
Xerox is a trademark of Xerox Corporation.