What to do if the LED indicator in the power switch is blinking at high speed on my Oki MPS2731mc All in One Printer?
- BBrandi KellerSep 23, 2025
Please unplug the AC cord immediately, and contact your dealer.

What to do if the LED indicator in the power switch is blinking at high speed on my Oki MPS2731mc All in One Printer?
Please unplug the AC cord immediately, and contact your dealer.
What does Oki Printer message 'USB Memory disconnected. Close' mean?
This message indicates that the USB memory was disconnected while PrintFromUSBMemory was running, so reading of the image file was cancelled.
What does 'Flash Memory Format' mean on Oki Printer?
This message appears when Resident/Option Flash memory not formatted are detected, or when you perform "Service Menu"- "System Maintenance"- "Format Flash Memory" from the system maintenance menu. It indicates that the Flash memory is being formatted.
What does 'Erasing Disk' mean on my Oki Printer?
This message indicates that the SD Card is being erased. The erase process can be started from "Management"-"Storage Maintenance Setup"-"Erase SD Memory Card " of Admin Setup Menu.
What does 'Checking File System' mean on Oki Printer?
This message indicates that the SD Card file system is being checked. The process can be started from "Management"-"Storage Maintenance Setup" of Admin Setup Menu, or "Check File System" of Boot Menu.
Why won't my Oki MPS2731mc All in One Printer dial a telephone number?
If your Oki All in One Printer won't dial, check the power cable and wall outlet. Ensure the telephone line is connected to the LINE socket on the back of the machine, not an external telephone or handset. If using an external phone, check for a dial tone; if there isn't one, there may be a line problem. If there is a dial tone, the machine may be using the wrong dialing method (pulse or tone) for your region.
Why is the glossiness not uniform on prints from my Oki All in One Printer?
Non-uniform glossiness on prints from your Oki All in One Printer can occur if the paper's thickness and type are incorrectly set. Adjust the media type and weight in the Media menu, setting one value lighter for media weight to correct this.
Why are all pages not printing on my Oki MPS2731mc?
If all pages are not printing on your Oki All in One Printer, it might be due to using a WSD port. Change the port to the standard TCP/IP port to resolve this issue.
Why are printed images fading vertically on my Oki MPS2731mc?
Vertical fading in printed images from your Oki All in One Printer may be caused by a dirty LED head; clean it with a soft, lint-free cloth. Another possibility is low toner. Try opening the top cover and tapping the cartridge a few times to redistribute the toner. If the fading continues, replace the toner cartridge. Also, ensure that you are using paper recommended for the printer.
How to fix vertical white lines on Oki MPS2731mc All in One Printer?
Vertical white lines on printed pages from your Oki All in One Printer can be due to several factors. The LED head might be dirty, so wipe it with a soft, lint-free cloth. The toner could be low; open the top cover and tap the cartridge to evenly distribute the remaining toner, and if the problem persists, replace the cartridge. Foreign materials in the image drum or a dirty light-shielding film on the image drum cartridge can also cause this issue. In these cases, replace the image drum cartridge or wipe the film with a soft, lint-free cloth.
| Brand | Oki |
|---|---|
| Model | MPS2731mc |
| Category | All in One Printer |
| Language | English |
Provides essential first aid instructions for handling toner spills and potential exposures.
Clarifies the meaning and purpose of notes, cautions, and warnings used throughout the document.
Outlines the documentation suite and the specific purpose of this user's guide.
Identifies key components and features of the MFP from its front and rear views.
Explains the control panel layout, buttons, and keypad for operating the MFP.
Step-by-step instructions for powering the MFP on and off, including storage advice.
Details the machine's power saving and sleep modes to optimize energy consumption.
Guides users through the installation process for necessary MFP drivers and utilities.
Provides guidance on suitable paper types, sizes, and weights for optimal printing.
Step-by-step instructions for correctly loading paper into cassette and multi-purpose trays.
Explains how to log in and out of the machine using PIN authentication.
Details the process for logging in and out using user name and password credentials.
Overview of MFP operations and its ability to handle multiple tasks concurrently.
Covers basic and advanced settings for performing copy jobs, including count and output options.
Guides on installing scanner drivers and performing various scanning tasks.
Explains how to scan documents and send them via e-mail, including destination and scan settings.
Details how to configure and perform scans to network PCs and USB devices.
Guides on saving scanned documents locally or remotely, including WSD and simple scan modes.
Explains how to view, cancel, and manage print jobs from the job list.
Covers basic and advanced settings for printing files from a USB memory device.
Details how to use AirPrint and wireless connections for printing from devices.
Guides on sending faxes from the MFP control panel and via PC using Internet Fax.
Covers advanced fax options like broadcasting, F Code communication, and address management.
Details fax receiving modes, call handling, and job viewing/cancellation.
Instructions for replacing toner cartridges, image drums, and transfer belt units.
Guides on replacing the fuser unit and cleaning various machine parts.
Steps for installing additional RAM memory and SD cards into the MFP.
Instructions for installing an optional additional paper tray to expand paper capacity.
Details how to set driver options after installing new hardware on Windows and Mac.
Provides solutions for common problems like paper jams, poor print quality, and fax errors.
Lists the technical details including dimensions, power, and environmental operating conditions.
Covers FCC, Canadian, and CE compliance for wireless LAN operations.
Lists the primary menu categories for accessing machine functions and settings.
Guides on configuring paper settings, managing address book, and phone book entries.
Details profile settings, network scan destinations, print setup, and fax configuration options.
Covers network setup, system management, power saving, and wireless configurations.