User's Manual
Moving/Transporting this machine
Moving this machine
Transporting this machine
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Safety precautions
General precautions
Cautions
エネルギースターについて
紙幣、有価証券などの印刷について
インターネットへの接続について
電波障害防止について
高調波規制について
本製品を日本国外へ持ち出す場合の注意
VOC（揮発性有機化合物）の放散
Trademarks
About this manual
About the description
How to use the Online Manual
Screen description
How to use the table of contents
How to use the search function
Printing the topic
Features of this machine
Preparing and connecting this machine to your PC
About Installation
Installation environment
Installation space
Unpacking
Checking the accessories
Installing optional accessories
Installing the Wireless LAN module
Installing the Wired LAN module
Installing the expansion tray unit
Installing the Caster Base
Connecting the power cord
About the power supply
Connecting the power cord
Loading paper in the tray
Connecting via a wired LAN
1. Connecting the LAN cable
2. Setting the IP address, etc.
3. Checking the connection from a PC
Connection form via a wireless LAN
Connecting via an access point (Infrastructure)
1. Enabling the wireless LAN function
2. Enabling infrastructure
3. Setting the IP address
4. Connecting with the wireless access point
4-1. Connecting by selecting a wireless LAN access point
4-2. Connecting with WPS
4-3. Manual setup and connection
5. Choosing a valid default gateway
6. Checking the connection from a PC
Connecting directly with this machine (AP mode)
1. Enabling the wireless LAN function
2. Enabling the AP mode
3. Connecting with a device
3-1. Auto connection (Push button)
3-2. Manual connection
Connecting via USB
Installing software on a PC
For Windows
For macOS
Setting the printer driver
Basic operations
Parts identification
Front
Inside the main unit
Back
Turning the power on/off
Turning the power on
Turning the power off
Loading paper
Procedure for loading paper
Applicable paper
Inapplicable paper
Paper precautions by type
Paper applicable to each tray
Loading paper in Tray1/2/3/4
Loading paper in the MP Tray
Setting paper information on the operator panel
Storing paper
Checking the output tray
Checking the information of this machine
Printing the menu map (configuration)
Confirming on the operator panel
Changing settings from the operator panel
Parts identification of the operator panel
Inputting text
Changing settings
Adjusting the buzzer volume
Setting the power save function
Setting the time that elapses before entering the power save mode
Setting the time that elapses before entering the sleep mode
Turning off the power automatically (Auto Power Off)
Setting the time that elapses before entering the auto power off mode
Setting actions of the power save mode
Menu items
Configuration
Print Information
Print
Menus
Admin Setup
Print Statistics
Calibration
AirPrint
Wireless(Infrastructure) Setting
Wireless(AP Mode) Setting
Boot Menu
Printing from a PC
Printing from a PC
For Windows PCL printer driver
For Windows PS printer driver
For macOS PCL printer driver
For the macOS PS printer driver
Screens and functions of the printer driver
Windows PCL printer driver
Windows PS printer driver
For the macOS PCL printer driver
For the macOS PS printer driver
How to open the printer folder
Printing on various types of paper
Printing on Postcard
Printing on envelopes
Printing on labels
Printing on long paper
Printing on irregular-sized paper (custom size)
Printing methods
Printing one sheet at a time manually
Enlarging/Reducing to fit the specified media size
Printing by enlargement/reduction
Printing only the cover from another tray
Booklet printing
Printing a poster by dividing a document
Inserting and printing a watermark text (watermark)
Printing overlaid text or logos (overlay printing)
Outputting to a file without printing on paper
Printing frequently used documents without using a PC
Printing an email attachment
Printing in economy mode
Printing on both sides of paper
Printing in the toner save mode
N-in-1 printing
Refining your finishing
Printing with the specified print resolution
Printing by correcting fine lines
Printing by specifying the font to use
Useful functions
Printing with multiple pages sorted into one complete set (Collate)
Ejecting paper alternately in portrait and landscape with collation (Rotate Sort)
Printing from the last page of your document
Printing by automatically selecting a tray for the specified paper
Switching tray automatically at running out of paper
Changing default settings of the printer driver
Printing with frequently used settings registered in the printer driver
Printing data stored in this machine
Printing PS errors
Maximizing the printable area
Editing margins
Correcting the print position of the tray
Printing with print data encrypted and password set (Private Print)
Canceling the printing
Management of this machine
Admin Password
Checking the factory default admin passwords
Inputting the factory default admin passwords
Changing the admin password
Changing settings of Admin Setup
Managing the machine from the web page
Opening the web page
Logging in as an administrator
Changing admin password (Web page)
Checking/Changing the state of this machine
Saving configurations
Communication encryption (SSL/TLS)
Disabling HTTP
Using IPP
Communication encryption (IPSec)
Using the access control function (IP filter) with the IP address
Using the access control function with the MAC address
Notifying errors via e-mail
Using SNMPv3
Using IEEE802.1X (Wired LAN)
Setting IEEE802.1X (Wireless LAN)
Connecting to a wireless LAN (WPA/WPA2-EAP)
Setting the LDAP server
Setting E-mail receiving (Web page)
Setting the Power Save Time (Web page)
Setting the Sleep Time (Web page)
Setting "Auto Power Off" (Web page)
Setting actions of the power save mode (Web page)
Copying the setup information of this machine to other devices
Printing PDF files (Direct Print)
Setting a link to the support page
Setting items of the web page
User restriction (Access control)
1. Registering a role
2. Registering a user
3. Registering a group
4. Setting authentication server
5. Enabling access control
Using the machine
Printing from a PC
Initializing the settings
Initializing network settings
Initializing the flash memory
Initializing settings of this machine
Moving/Transporting this machine
Moving this machine
Transporting this machine
Disposal
Useful software
Software list
Windows software
macOS software
Applications for mobile devices
Installing software
For Windows
For macOS
For mobile devices
Monitoring Tool (Windows)
Registering the printer
Updating the printer software
Updating the printer’s firmware
Check the replacement time of maintenance parts and apply for a free one
Changing settings of Monitoring Tool
Cloud setting
Deleting the printer
Troubleshooting (Monitoring Tool)
Network Extension
Displaying properties of the printer driver
Confirming settings of this machine
Setting options automatically
Uninstalling Network Extension
PS Gamma Adjuster
Registering a gamma adjuster name
Printing with registered halftone
Configuration Tool
Registering this machine
Starting the Configuration Tool
Checking the state of this machine
Displaying print completion on the PC
Setting the network
Registering forms (form overlay)
Checking free space of memory/hard disk
Registering the user name and password
Deleting this machine
Name and function of each screen
Icon description
OKI LPR Utility
Starting the OKI LPR Utility
Registering this machine with the OKI LPR Utility
Checking the state of the registered machine
Transferring print data to the registered device
Printing the same document from multiple registered devices
Opening the web page of a registered device
Automatically following the IP address of the registered device
Setting the port number of the web page for the registered device
Sending files to this machine registered with the OKI LPR Utility
Deleting unnecessary print data
Uninstalling OKI LPR Utility
Network Card Setup Utility (macOS)
Setting the IP address
Opening the web page
Exiting the Network Card Setup utility
Print Job Accounting Client
For Windows
For macOS
Printing from a mobile device
Printing with Mobile Print
Printing by connecting to an access point
Printing with the NFC function
Troubleshooting for Mobile Print
Printing with AirPrint
1. Setting AirPrint
2. Registering this machine on Mac
3. Printing with AirPrint
Troubleshooting for AirPrint
Printing with Mopria Print Service
1. Setting Mopria Print Service
2. Registering this machine with a Windows
3. Printing with Mopria Print Service
Troubleshooting for Mopria Print Service
Printing with IPP Everywhere
1. Setting IPP Everywhere
2. Registering this machine with Chromebook
3. Printing with IPP Everywhere
Troubleshooting for IPP Everywhere
Printing with Print Plugin
Printing by connecting to an access point
Troubleshooting for Print Plugin
Showing troubleshooting tips on a mobile device
Maintenance
Precautions for replacing consumables and maintenance parts
Service life and replacement cycle of consumables
Toner cartridge
Image drum
Replacing toner cartridges
Replacing the image drum
Replacing the image drum and the toner cartridge
Free maintenance parts
Service life and replacement cycle of maintenance parts
Maintenance kit
Paper feed roller
Replacing the maintenance kit
Replacing the paper feed roller (Tray1)
Replacing the paper feed roller (Tray2/3/4)
Replacing the paper feed roller (MP Tray)
Cleaning the main unit and the parts
Cleaning the LED head
Cleaning the surface of the main unit
Cleaning the paper feed roller (Tray1/2/3/4)
Cleaning the paper feed roller (MP Tray)
Cleaning the light-shielding film
Cleaning the resist roller
Installing the transport assistance guide
Updating software
For Windows
For macOS
Deleting software
Uninstalling the Windows printer driver
Uninstalling the macOS printer driver
Firmware update
For Windows
For macOS
Troubleshooting
When an error message appears on the display
Error Message List
When a paper jam occurs
For the error code 370
For the error code 371
For the error code 372
For the error code 380
For the error code 381
For the error code 382
For the error code 387 or 391
For the error code 390
For the error code 392, 393 or 394
For the error code 631
For the error code 632, 633 or 634
For the error code 637
For the error code 638
For the error code 639
For the error code 641 or 642
For the error code 652
Trouble with printing
I cannot print
Troubleshooting for Wired LAN connection
Troubleshooting for wireless LAN connection
Troubleshooting for USB connection
Troubleshooting for printing results
List of troubles with printing results
White streaks appear in the vertical direction
Printing is faint in the vertical direction
Printing is light
White dots or lines appear
Condensation occurs on printed paper
Streaks appear in the vertical direction
Dots and horizontal streaks appear in the paper feeding direction periodically
White area is lightly stained
Edges of text are blurred
When envelopes or coated paper is printed, the whole area is thinly stained
Toner comes off when rubbed
Uneven Gloss
Point stains appear
Stains are printed
The entire paper is printed in black
Nothing is printed
White streaks occur
The peripheral area is dirty
An afterimage printed on the front edge of the paper is printed
The density differs at two ends of the paper
Software troubleshooting
Troubleshooting for this machine and paper
Troubleshooting for the machine
Troubleshooting for the paper
When a power failure occurs
Appendix
Specifications
Dimensions
Using the FAQ guide of this machine
List of consumables, maintenance parts, options and paper
Menu tree
User's Manual
User's Manual