What does it mean when the ATTENTION light is on on my Oki B720 All in One Printer?
- RRonald ReynoldsSep 23, 2025
If the ATTENTION light is on your Oki All in One Printer, check the control panel for an error message and rectify the error.

What does it mean when the ATTENTION light is on on my Oki B720 All in One Printer?
If the ATTENTION light is on your Oki All in One Printer, check the control panel for an error message and rectify the error.
What to do if my Oki Printer cannot print?
If your Oki Printer is unable to print, first, press the ON LINE button to ensure the printer is online. If the problem persists, and the printer driver is set to 1200dpi on the Graphics tab, set it to 600dpi. You might also need to reduce the complexity of the print job or install additional memory to increase the printer's memory.
Why is my Oki Printer printing light (faded, blurred)?
If your Oki Printer's output is light, faded, or blurred, try replacing the paper with a fresh ream. If the issue continues, replace the drum/toner cartridge. Also, uncheck the Toner Saving checkbox on the Graphics tab in the printer driver. Another solution is to open cover B and push down the levers at both ends of the fuser unit.
How to resolve black spots or streaks printed by my Oki Printer?
If your Oki Printer is printing black spots or streaks, replace the drum/toner cartridge with a new one.
How to fix my Oki Printer when printed image smudges when rubbed?
If the printed image from your Oki Printer smudges when rubbed, and the toner isn't fixed on the paper, set the appropriate paper type for the loaded paper in the paper tray on the control panel. You can also try using a new ream of paper or ensuring you're loading the correct type of paper.
Why does my Oki All in One Printer have no power?
If your Oki All in One Printer isn't getting power, first, make sure the printer is turned on. If it is on, check the power cord to ensure it's properly connected to both the printer and a working power outlet. Also, verify that the power outlet provides the correct voltage as indicated on the printer's label.
What to do if an envelope is wrinkled after printing with my Oki Printer?
If an envelope is wrinkled after printing with your Oki Printer, open cover B and lift up the levers at both ends of the fuser unit.
What could cause spots of missing text when printing with my Oki Printer?
If you're experiencing spots of missing text when printing with your Oki Printer, try replacing the paper with a new ream or loading the correct type of paper.
What to do if my Oki Printer is printing the whole piece of paper black?
If your Oki Printer is printing entire pages in black, replace the drum/toner cartridge.
What should I do if my Oki Printer prints dirt at equal intervals?
If your Oki Printer is printing dirt at equal intervals, try printing a few pages to remove the stains. If the problem persists, replace the drum/toner cartridge.
| Print Resolution | Up to 1200 x 1200 dpi |
|---|---|
| Duplex Printing | Yes |
| Print Technology | Laser |
| Functionality | |
| Connectivity | USB 2.0, Ethernet |
| Operating System Compatibility | Windows, Mac, Linux |
| Emulation | PCL6, PostScript 3 |
Warns about data loss due to printer malfunction or power loss.
States printer is not responsible for virus-related breakdowns.
Describes the printer as a Class I Laser System and provides safety guidelines.
Explains how symbols and terms like 'Computer' are used in the manual.
Defines the meaning of 'Important!', 'Note', 'Caution', and 'WARNING' indicators.
Identifies and labels the external components of the printer's front.
Identifies and labels the external connectors and ports on the printer's rear.
Shows and describes key internal components like drum and fuser units.
Details the function of each button on the printer's control panel.
Explains the printer's display screen and indicator lights.
Describes the 'Print Mode' and 'Menu Mode' shown on the LCD.
Explains the printer's power-saving feature and how it operates.
Provides steps to cancel a print job from the printer or computer.
Details the prerequisites for using AirPrint with Apple devices.
Guides users on how to print from iPhones, iPads, etc., using AirPrint.
Explains security features like user ID and password for AirPrint.
Describes the feature that restricts printing to authorized users.
Explains the different paths where printed pages exit the printer.
Details the default top exit path for printed pages.
Describes using the rear exit path for special media types to prevent jams.
Step-by-step instructions for loading standard paper into the printer tray.
Lists paper sizes, weights, and types supported by Tray 1 and other trays.
Provides requirements and dimensions for printing custom-sized paper.
Explains how to configure custom paper sizes via control panel and driver.
Details fuser settings and exit paths for special media like labels and envelopes.
Instructions for loading and printing transparencies, including cautions.
Instructions for loading and printing envelopes, including cautions and supported sizes.
Instructions for loading and printing labels, including cautions and supported brands.
Lists media types that can cause jams or damage to the printer.
Explains how the printer automatically selects the correct paper tray.
Describes how the printer switches trays when one runs out of paper.
Explains media checking and express print settings for job flexibility.
Explains how to navigate through the printer's menu system using buttons.
Guides on how to print a map of the printer's menu structure and settings.
Describes menus for USB drive access and managing print jobs.
Outlines menus for printer settings and information reports.
Lists various administrative setup menus for printer configuration.
Explains how to print files directly from a USB flash drive.
Explains how to access and manage jobs stored in the printer's memory.
Provides access to printer counters like usage and page counts.
Allows viewing the remaining levels of printer supplies like toner.
Covers parameters for configuring the printer's network connection.
Details printer system settings like serial number and memory.
Explains how to print reports like usage, menu map, and font lists.
Sets up paper feed, output trays, units of measure, and auto-sense.
Configures paper size, media type, and dimensions for Tray 1 and Tray 2.
Configures paper size, media type, and dimensions for Tray 3 and Tray 4.
Configures power saving duration and wait timeout for printer functions.
Manages alerts for low toner and automatic jam recovery.
Adjusts display language, contrast, and print density.
Fine-tunes paper feed adjustments for trays and duplex printing.
Explains how to enter the password to access administrative menus.
Configures core network protocols like TCP/IP and IPv6.
Sets up IP address, subnet mask, and gateway for network connection.
Manages DNS, WINS, and web server configurations for network services.
Configures network link settings and printer data protocols.
Guides on connecting to a wireless network using WPS PIN or PBC.
Covers selecting, removing, and managing wireless networks.
Displays IP address, subnet mask, and gateway for wireless connection.
Configures printer personality, number of copies, and duplex printing.
Manages automatic resizing and media checking for print jobs.
Adjusts print resolution, toner saving, and page orientation.
Sets font source, number, and pitch for PCL emulation.
Configures symbol sets and carriage return/line feed functions.
Assigns IDs to trays for PCL printing.
Sets character pitch, set, symbol set, and line pitch for FX emulation.
Enables/disables parallel port and sets PS protocol.
Configures serial port settings like baud rate, data bits, parity, and flow control.
Enables/disables USB port and sets PS protocol.
Configures the printer's date, time, and daylight savings.
Manages data security, printing, deletion, and formatting of user flash memory.
Manages data security, printing, deletion, and formatting of the hard disk.
Manages data security, printing, deletion, and formatting of compact flash.
Configures spooling start, stop, playback, delete, and destination.
Manages job accounting and changing the admin password.
Provides options for menu reset, saving/restoring settings, panel security, and USB drive access.
Details how to print PDF files directly from a USB flash drive.
Explains how to store and print jobs from the printer's memory.
Instructions on how to load and print banner-sized paper.
Describes sending PDF files directly to the printer without a driver.
Explains how to print emails and attachments received by the printer.
Lists the types of barcodes supported for printing.
Details options like Stored, Secure Print, Proof and Print, Timed Jobs.
Instructions on how to access and print jobs stored in the printer's memory using a PIN.
Steps to delete jobs that have been stored in the printer's memory.
Details requirements for setting up email printing via network.
Explains how to send emails with attachments for printing.
Provides security advice and cautions for sending emails to the printer.
How to configure Tray 1 for manual feeding of paper.
Explains how the printer collates multiple copies of documents.
How to enable and use automatic duplex (two-sided) printing.
How to use different paper for the first page of a document.
How to scale documents to fit the selected paper size.
How to print multiple pages on a single sheet of paper.
How to add space for binding documents within the print job.
How to print large images across multiple pages as a poster.
How to offset print jobs for easier separation using the Offset Catch Tray.
How to adjust resolution and toner saving for print quality.
How to substitute TrueType fonts with printer fonts.
How to add watermarks (like COPY, DRAFT) to printed documents.
How to access the printer's web interface using its IP address.
General precautions and identification of jam locations (Covers A, B, C, D).
Step-by-step guide to remove paper jams from the printer's top cover area.
Instructions for removing paper jams from within the paper trays.
Step-by-step guide to remove paper jams from the printer's rear cover area (fuser unit).
Instructions for removing paper jams from the duplex unit area.
Instructions for removing paper jams from the offset catch tray area.
Table for diagnosing issues like 'No power' and 'Cannot print'.
Guides on resolving common print quality problems like light print or spots.
Lists error messages and their possible causes or actions.
Guides on resolving network connectivity problems using TCP/IP.
Helps resolve issues related to accessing the printer's web interface.
Guides on resolving issues with e-mail printing and notifications.
Step-by-step instructions for replacing the drum/toner cartridge.
How to print various reports like usage, menu map, and font lists.
How to configure and use Mail Notice Service for printer status updates.
Guides on configuring network and mail server settings for email features.
Instructions for cleaning the outside surfaces of the printer.
Instructions for cleaning dust and debris from inside the printer.
Detailed steps for removing, cleaning, and replacing feed rollers.
Steps to clean internal feed rollers after removing the drum/toner cartridge.
Instructions for cleaning rollers in paper trays and optional tray modules.
Information on printer weight and safety measures for lifting.
Steps to prepare the printer for relocation, including removing paper and cartridges.