Adobe, the Adobe logo, PostScript, PostScript 3 and the PostScript logo are
trademarks of Adobe Systems Incorporated. Microsoft, Windows, Windows
NT, Windows Server are either registered trademarks or trademarks of
Microsoft Corporation in the United States and/or other countries.
Permission has been obtained from Microsoft Corporation for use of software
screen shots. PCL, HP, HP-GL, HP-GL/2 and HP-UX are registered trademarks
of Hewlett-Packard Corporation. Netware is a registered trademark of Novel,
Inc., in the United States and other countries . Macintosh, MacOS , AppleTalk,
EtherTalk and TrueType are trademarks of Apple Computer, Inc., registered
in the U.S. and other countries. Intel and Pentium are trademarks or
registered trademarks of Intel Corporation or its subsidiaries in the United
States and other countries. UNIX is a registered trademark of the Open
Group in the United States and other countries. Solaris, SunOS and NIS
(Network Information Services) are trademarks or registered trademarks of
Sun Microsystems, Inc. in the United States and other countries. All product/
brand names are trademarks or registered trademarks of the respective
holders.
Data Loss in Hard Disk/Compact Flash Disk
Saved data may be lost if the hard disk/compact flash in the machine breaks down
due to external shocks or if the power is accidentally cut off in a manner not following
the methods listed in manuals or other documentation. OKI is not responsible for such
data loss and any consequence caused by such data loss.
Damage related to computer virus
OKI is not responsible for any breakdown of machines due to infection of computer
virus.
Important
This manual is copyrighted with all rights reserved. Under the copyright laws, this
manual may not be copied or modified in whole or part, without the written consent
of the publisher.
Parts of this manual are subject to change without prior notice.
We welcome any comments on ambiguities, errors, omissions, or missing pages.
Never attempt any procedure on the machine that is not specifically described in this
manual. Unauthorized operation can cause faults or accidents. OKI is not liable for any
problems resulting from unauthorized operation of the equipm ent.
B6250/B6500 User’s Guide> i
P
REFACE
Thank you for choosing this printer. This is a guide on operating this
printer and the important points to note. To understand the features
fully and to use the printer correctly and effectively, please read this
guide before using it.
Keep this guide handy for a quick reference on using the printer.
This guide is written with the assumption that you are familiar with
the basic knowledge and way of operating your computer
environment and the network environment.
In this manual, safety instructions are described with the following
symbol:
Always read and follow these instructions before performing the
required procedure.
This product is a “Class I Laser System” that does not emit
dangerous laser beam. Operate the machine according to the
instructions in the manual. Do not carry out any operation not
mentioned in the manual. Otherwise, it may lead to unforeseen
accident or machine breakdown.
B6250/B6500 User’s Guide> ii
C
ONVENTIONS
1.In this guide, “computer” refers to both the personal
computer and workstation.
2.The following headers are used in this guide:
Important Indicates important information which you
should read.
NoteIndicates additional information on operations or
features.
Refer toIndicates reference sources.
3.The following conventions are used in this guide:
Refer to “xxx”The cross-reference is within this guide.
Refer to YYY The cross-reference is not within this guide.
[ ]Indicates items displayed on the computer and
the printer control panel. Also indicates the title
of printed reports/lists from the printer.
< >Indicates items such as hard buttons and
indicators on the keyboard and printer.
B6250/B6500 User’s Guide> iii
L
OW POWER
This product has a power-saving feature, which switches the
machine to the low power mode automatically if the machine is on
and not operated for a certain period of time. In this mode the
machine stops power to the fuser and saves power consumption.
The default low power mode start time is set at 15 minutes.
You can set the low power mode start time between 5 and 240
minutes.
M
ODE FEATURE
B6250/B6500 User’s Guide> iv
I
LLEGAL COPIES AND PRINTOUTS
Copying or printing certain documents may be illegal in your
country. Penalties of fines or imprisonment may be imposed on
those found guilty. The following are examples of items that may be
illegal to copy or print in your country.
• Currency
• Banknotes and checks
• Bank and government bonds and securities
• Passports and identification cards
• Copyright material or trademarks without the consent of the
owner
• Postage stamps and other negotiable instruments
This list is not inclusive and no liability is assumed for either its
completeness or accuracy. In case of doubt, contact your legal
counsel.
2Control panelConsists of the essential operation buttons, indicators
3Ventilation holeReleases heat to prevent the interior of the printer
4Paper meterA meter to check the amount of remaining paper.
5Tray 1Sets the 150 tray.
6Tray 2Sets the 550 tray.
7Power switchSwitches the power of the printer on and off. Pressing
8Paper stopperRaise this when printing on paper larger than Letter/
Print jobs are output here with the printed side facing
down.
and display.
from heating up.
Attached to the 550 tray.
the switch to the <|> position switches it on and
pressing it to the <0> position switches it off.
A4 size.
9Duplex unit
connector
For connecting the optional duplex unit.
B6250/B6500 User’s Guide> 11
NO. NAMEDESCRIPTION
10Power cord
connector
11Parallel
connector
12Network
connector
13USB connectorFor connecting the USB cable.
14Serial connectorFor connecting the serial cable.
W
ITH OPTIONAL ACCESSORIES
For connecting the power cord.
For connecting the parallel cable.
For connecting the network cable when connecting this
printer to the network for use.
1
2
6
7
5
3
4
NO. NAMEDESCRIPTION
1Offset catch tray
2Cover D
3Rear tray
4Duplex unit
(optional)
(optional)
(optional)
(Cover C)
Allows you to stagger the output position for each
print job (offset output).
Open this when paper is jammed inside the offset
catch tray.
Use this tray if you want to reduce curling of paper
when printing heavyweight paper. Print jobs are
output here with the printed side facing up.
Enables 2 sided printing. When paper is jammed
inside the duplex unit, it is described as cover C.
B6250/B6500 User’s Guide> 12
NO. NAMEDESCRIPTION
5Rear output tray
6A4 universal trayCan install up to two levels of an Letter/A4
7Right detachable
I
NTERNAL VIEW
lever
cover
1
When the rear tray has been installed, the paper
output location can be switched between it and the
center output tray. Raise the lever to output to the
rear tray and lower the lever to output to the center
output tray.
universal tray (550) to this printer.
Remove this when installing optional accessories
such as hard disk and additional memory.
32
5
46
NO.NAMEDESCRIPTION
1Paper stopperRaise this when printing on paper larger than A4 size.
2Drum/toner
cartridge
3Cover AOpen this when replacing the drum/toner cartridge
4Fuser unitFixes the toner on the paper. Do not touch this when
5Transfer roll
cartridge
6Cover BOpen this when removing jammed paper.
Contains the toner and the photosensitive drum.
and removing jammed paper.
using the printer as it is hot.
Transfers the toner image on the surface of the
photosensitive drum to the paper.
B6250/B6500 User’s Guide> 13
C
ONTROL PANEL
5
1
3
2
4
9
6
7
8
Note: see “Settings on the Control Panel” on page 57 for further
detail.
NO. NAMEDESCRIPTION
1<Menu> buttonPress to move to menu operation.
2<Info> buttonPress to print the menu map. The menu map (2 pages)
3<Ready>
indicator
4LCD displayDisplays the setting items, machine status, and
5<Attention>
indicator
will print with all the current printer settings.
When the light is on, the printer is ready to receive
data from the computer.
messages.
When the light is on, there is a malfunction in the
printer.
6 <On-Line>
button
7<Cancel> buttonPress to cancel printing.
8<Select> buttonPress to enter the menu item currently displayed.
9
<>
<>
<>
<>
Press to enter the off-line status. When in the off-line
status, the machine cannot receive data or process
printing. Press again to exit the off-line status and
enter the on-line status (where the machine can
receive data from the computer).
Press to exit Menu Mode.
Press these buttons to move to the required menu,
item and candidate value on the display.
B6250/B6500 User’s Guide> 14
D
ISPLAY
There are two types of screens shown: Print screen (for displaying
printer status) and Menu screen (for setting configuration).
NOTE
The message displayed differs according to the options installed
and setting status.
P
RINT SCREEN
The Print screen appears when the machine is printing or waiting for
data. The following contents are shown on the screen.
Current printer status
Printing
USB
Port Receiving Data
(USB, Net, LPD, Etc.)
B6250/B6500 User’s Guide> 15
PCL
Language
(PCL, PS, etc.)
M
ENU SCREEN
Screen for configuring settings related to the printer.
This screen appears when you press the <MENU> button. The initial
Menu screen displayed is as follows.
Print Jobs Menu
Refer to:
• Items that can be set on the Menu screen: “Settings on the
Control Panel” on page 57
B6250/B6500 User’s Guide> 16
S
WITCHING ON AND OFF THE POWER
S
WITCHING ON THE POWER
1.Press the power switch of the printer
to the <|> position.
2.When the power is switched on,
various screens will be displayed on
the control panel. Check that this
display changes to “Online”.
NOTE
When “Please wait...” is displayed, the printe r is in the process of
warming up. Printing is unavailable during this period. When the
printer is ready for printing, “Online” will be displayed.
Important:
• If error message is displayed, refer to “Message List
(alphabetical order)” on page 121 on how to fix it.
S
WITCHING OFF THE POWER
Important:
• Do not switch off the printer power when printing is in
progress. It may lead to a paper jam.
• Once the power is switched off, print data remaining in this
printer or information saved in the memory of this printer will
be deleted.
1.By checking the display on the
control panel, confirm that the
printer is not processing any
data. “Online” or “Power Saver
Mode” should be displayed.
2.Press the power switch to the <O>
position to switch the power off.
B6250/B6500 User’s Guide> 17
Online
P
OWER SAVER MODES
This printer is equipped with a Power Save mode to reduce power
consumption when it is left idle. The default idle time from last print
activity until the printer enters Power Saver mode is 5 minutes. This
time can be adjusted by the operator to any of the following: 5, 15,
30, 60 and 120 minutes.
When no print data is received within 5 minutes (default) since the
last page is printed, the printer will enter Power Save mode. An
informative message is displayed on the operator panel indicating
Power Save Mode. Consumption of power during Power Save mode
is 10 Watts or less, and the time required to exit from Power Saver
mode to a print-ready status is about 10 seconds.
E
XITING THE POWER SAVER MODE
The printer automatically exits from Power Saver mode once it
receives data from the computer or if any key on the operator panel
is pressed.
B6250/B6500 User’s Guide> 18
C
ANCELLING/CHECKING PRINTING
C
ANCELLING PRINTING
To cancel printing, you can either cancel the print job at the printer
or at the computer.
Cancelling a Print Job at the Printer
Press the <CANCEL> button then press the <ON-LINE> button on
the control panel. However, pages being printed at the moment will
continue to be printed.
Cancelling Print Jobs at the Computer
Double-click the printer icon at the bottom right of the taskbar
in Windows.
From the displayed window, click the document name that you wish
to delete and press the <Delete> key.
B6250/B6500 User’s Guide> 19
C
HECKING STATUS OF PRINT DATA
Checking in Windows
Double-click the printer icon on the task bar at the bottom right
of the screen.
From the displayed window, check the column, [Status].
D
ISPLAYING OPTIONAL ACCESSORY CONFIGURATION
AND PAPER TRAY SETTINGS
When using this printer as a network printer and with SNMP protocol
enabled, you can display on the printer driver, the optional
accessory configuration and settings configured at the control panel
such as paper type or size. The printer can by used on network, USB
or parallel. These settings are displayed on the [Options] tab. This
section explains the procedure using Windows XP as an example.
Important:
• When using a serial connection to this printer, this feature
cannot be used. You have to manually set the items on the
printer driver.
• The rear tray information cannot be obtained automatically.
You have to manually set the item.
• For paper size and paper type settings, you must configure
them at the control panel beforehand. Even if you change the
settings here, they will not be reflected on the printer itself.
B6250/B6500 User’s Guide> 20
NOTE
> When using this feature on the network interface, you
have to activate the SNMP port (default: [Enable]) on the
printer using the control panel.
> For Windows NT 4. 0/Windows 2000/Windows XP, only
users with administrator’s rights can change the settings.
Users without administrator’s rights can only check the
contents.
1.From the [Start] menu, click [Printers and Faxes] and then
display the properties of the printer to be used.
2.Click the [Device Options] tab.
3.Click [Get Information from Printer].
NOTE
The properties of the printer can be displayed on the printer
driver.
4.Click [OK]. The contents of the [Device Options] tab will be
updated based on the data obtained from the printer.
B6250/B6500 User’s Guide> 21
P
RINTING
P
RINTING FROM THE COMPUTER
This section explains the basic flow when printing from application
software in a Windows
(The procedure may differ according to the computer or system
configuration used.)
Important:
• Do not switch off the power to the printer when printing is in
progress. It may lead to a paper jam.
NOTE
> This section explains printing with the PCL driver as an
example.
1.From the [File] menu of the application software, select
[Print].
2.Select this printer as the printer to be used to start printing.
To use the various print features of this printer, display the
printer properties dialogue box to set the necessary items.
For details on each item and how to set them, refer to the
Online Help for the print driver.
Important:
• If the paper tray information is not correct, change the
settings on the [Set Up] tab of the print driver before
continuing. For details on how to do the settings, refer to the
Online Help for the print driver.
®
environment.
U
SEFUL PRINT FEATURES IN PROPERTIES DIALOG BOX
• The following selections are available in the [Setup] tab:
Paper Size, Media Type, Paper Source, Paper Destination
Paper Feed Options*, Finishing Mode**, and 2-sided Printing.
*Paper Feed Options include: Auto Resize, Covers, Auto Tray
Change, Media Check, and Skip Blank Pages, Tray 1 Settings,
and Media Type.
> You can set the print features in the properties dialog box
from the printer icon by selecting [Printers and Faxes] (or
[Settings] > [Printers] depending on the OS).
P
RINTING ON ENVELOPES
For details on the envelopes that can be used, refer to “Usable
Paper” on page 45. The procedure to print on envelopes is as
follows.
L
OADING ENVELOPES
You have to close the flaps of the envelopes and load them with the
address side facing up in the orientation shown in the diagram
below.
Paper feed direction
* The flap faces down
The following explains how to load the envelopes, using COM-10
envelopes as an example, in trays 1 to 4.
Important:
• The reverse side of the envelope cannot be printed on.
NOTE
> For details on the procedure to load paper in a paper tray,
refer to “Loading Paper in a Paper Tray” on page 49.
B6250/B6500 User’s Guide> 23
1.Load the envelopes in the portrait
orientation so that the flaps are
turned to the right side.
2.Slide the length guide and right
width guide to the size of the loaded
envelopes.
3.On the control panel, change the
paper type to [Envelope]. For
details, refer to “Setting Paper Types” on page 54.
4.On the control panel, change the paper size of the tray to
[COM-10 Envelope]. For details, refer to “Setting Custom
Paper Sizes” on page 52.
P
RINTING ON ENVELOPES
To print on envelopes, display the [Tray/Output] tab and [Basic] tab.
This section explains the procedure using WordPad on Windows XP
as an example.
NOTE
> The way to display the printer properties dialog box differs
according to the application software. Refer to the manual
of each application software.
1.From the [File] menu, select [Print].
2.Select this printer from the drop down list and click
[Properties].
3.Click the [Setup] tab.
4.Select the loaded paper tray from [Source] or click the
[Media Type] and then select [Com10].
5.Click [OK].
6.Click [Print] in the [Print] dialog box to start printing.
B6250/B6500 User’s Guide> 24
P
RINTING ON TRANSPARENCIES
L
OADING TRANSPARENCIES
Load transparencies in trays 1 to 4.
Important
• Transparencies with white frames or full-color transparencies
cannot be used.
The way to load transparencies in the paper tray is the same as the
way to load standard size paper. For details, refer to “ Loading
Paper” (P. 49).
You must also set paper type for the paper tray to [Transparency]
on the control panel.
Refer to “ Setting Paper Types” (P. 54) to change the setting.
P
RINTING ON TRANSPARENCIES
To print on transparencies, click on [Properties] from the [File]
[Print] menu, click the [Setup] tab. This section explains the
procedure using WordPad on Windows XP as an example.
NOTE
> The way to display the printer properties dialog box differs
according to the application software. Refer to the manual
of your respective application software.
> Printing transparencies continuously may lead to the
output transparencies sticking to each other. As a guide,
remove the transparencies from the output tray after
about 20 sheets and then fan them to lower their
temperatures.
1.From the [File] menu, select [Print].
2.Select this printer as the printer to be used and click
[Preferences].
3.Click the Media Ty pe drop down box and click on
transparencies.
4.Select the loaded paper tray from Source Drop down and
click on the tray that contains the transparencies.
5.Click the Paper Size drop down.
B6250/B6500 User’s Guide> 25
6.From [Paper Size], select the size of the original document.
7.Click [OK].
8.Click [Print] in the [Print] dialog box to start printing.
P
RINTING ON CUSTOM SIZE PAPER/LONG PAPER
This section explains how to print on custom size paper such as long
paper.
The paper sizes that can be set on this printer are as follows:
For trays 1 - 4
Long edge:
146 to 356 mm
(5.75 to 14 in.)
Short edge:
89 to 216 mm
(3 to 8.5 in.)
L
OADING CUSTOM SIZE PAPER
The way to load custom size paper in trays 1 to 4 is the same as
loading standard size paper. For details, refer to “ Loading Paper”
(P. 49).
S
ETTING CUSTOM PAPER SIZES
NOTE
> The following paper sizes are not auto detectable by the
trays: Statement, COM9, COM10, Monarch, A6, C5 and
DL. To use these sizes you must use the operator panel on
the printer to turn off auto detect for the tray and set the
intended paper size.
Before printing, set the custom size on the print driver.
B6250/B6500 User’s Guide> 26
You have to configure the settings on the control panel too when
loading custom size paper in trays 1 to 4 for printing. For details on
setting the control panel, refer to “ Setting Custom Paper Sizes”
(P. 52).
Important:
• When setting the paper size on the print driver and the
control panel, be sure to specify the same size as the actual
paper used. Setting the wrong size for printing will cause
machine failure. This is especially true if you configure a
bigger size when using a narrow width paper.
On the print driver, set the custom size in the [Paper Size] dialogue
box. This section explains the procedure using Windows XP as an
example.
NOTE
> For Windows NT 4.0/Windows 2000/Windows XP, only
users with administrator’s rights can change the settings.
Users without the rights can only check the contents.
1.From the [File] menu, click [Print].
2.Select [Properties] then select the [Setup] tab.
3.Select Option as needed: Source, Media Type, etc.
4.You may select a previously stored custom size from the list
or you may add an additional custom size.
5.To add a new custom size:
A.Select paper feed options.
B.Select Custom Size.
C.In the Name Field, Type a name for your custom size.
D.Click on the unit of measure radio button for the units
you would like to use (mm for millimeters or inch for
inches.)
E.In the width field, enter the width of the custom size
paper (89 to 216 mm, 3 to 8.5 in.).
F.In the length field, enter the length of the custom size
paper (146 to 356 mm, 5.75 to 14 in.).
G.Click add to store the new custom size.
B6250/B6500 User’s Guide> 27
H.Click OK to close the Dialog Box.
NOTE
You may use the modify selection to change a previously stored
custom size.
NOTE
You may use the Delete Selection to delete a previously stored
custom size.
P
RINTING ON CUSTOM SIZE PAPER
The procedure to print on custom size paper is as follows.
This section explains the procedure using WordPad on Windows XP
as an example.
NOTE
> The way to display the printer properties dialog box differs
according to the application software. Refer to the manual
of your respective application software.
1.From the [File] menu, select [Print].
2.Select this printer as the printer to be used and click
[Preferences].
3.Click the [Setup] tab.
4.Select the appropriate tray from [Source].
5.From [Paper Size], select the size of the original document.
6.From [Media Types], select the registered custom size, and
then click [OK].
7.Click [Print] in the [Print] dialog box to start printing.
B6250/B6500 User’s Guide> 28
P
RINT CONFIDENTIAL DOCUMENT
Using the optional hard disk, compact flash or the standard user
flash, you can use the secure print feature.
Important:
• The hard disk may be damaged and erase important data
saved in the hard disk. We recommend you back up your
data.
A
BOUT SECURE PRINT
Secure Print is a feature that allows you to attach a password to a
print job on the computer, send it to the printer for temporary
storage, and then print the job from the printer control panel. When
the printing of a Secure Print job is complete, the job is
automatically deleted.
NOTE
> The administrator can view a list of jobs using a password
protected feature under Print Jobs Info in the Web page.
The User id is root, and the password is a combination of
su and the printer serial number, e.g. suCBxxxxxxQP.
(The password is case sensitive, where su is lower case,
and the serial number is uppercase.)
- S
ECURE PRINT
S
TORED JOB
A stored job is the same as a secure print job except that it is not
deleted from the storage device after it is printed. By storing
frequently-used data in the printer, you can print the job from the
printer control panel, without sending it from the computer again
and again.
NOTE
B6250/B6500 User’s Guide> 29
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