Unknown Printer

How to Identify and Fix Common Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced technical support :

Check that the same IP address is set for the machine and the machine`s port setting on the computer. Check that the IP address is not duplicated by another device. Check that the correct IP address, subnet mask, and gateway address are set. If using OKI LPR Utility, check the IP address setting with OKI LPR Utility.
Select the Start button, then select Settings > Devices > Printers & scanners. Under Add printers & scanners, select Add a printer or scanner. Choose the printer you want, and then select Add Device.
Many computer connectivity issues are caused by something as simple as a loose cable. Make sure all of the cables connecting your computer to your printer are fully in place and completely fastened at both ends. If your printer is not turning on, the power cord could also be an issue.
1: Check Printer Power, Cables, and Paper

Check that the correct paper is properly loaded into the printer and is not jammed. Replacing damaged cables, plugging in loose or disconnected cables, and fixing paper jams as necessary may resolve the issue.

Checking the connection from a PC

Press «5» on the [Configuration] screen. Check that [Network Setup] is selected, and press «OK». Press ▼ to select [Wired(LAN1) Information], and press «OK». Press ▼ several times to select [IPv4 Address], and press «OK».

Simply plug the USB cable from your printer into an available USB port on your PC, and turn the printer on. On the taskbar, select the Search icon, type Printers in the search bar, and then select Printers & scanners from the search results to open the Printers & scanners system setting.
To enter the [Admin Setup] menu, the administrator password is required. The factory default password is “123456”. To change settings of the machine on the Web page, you must log in as the administrator of the machine.
The password is the same as the “administrator password” on the operator panel. The factory default administrator password is “999999”. If the administrator password is changed, enter the updated password.
Open Command Prompt by pressing the Windows key and typing cmd. Type netstat -r. Press Enter. You will now be able to see a list of network devices connected to your computer and your printer`s IP.
Checking the connection from a PC

Press «5» on the [Configuration] screen. Check that [Network Setup] is selected, and press «OK». Press ▼ to select [Wired(LAN1) Information], and press «OK». Press ▼ several times to select [IPv4 Address], and press «OK».

Connect your wireless printer to your home network by clicking on the WPS button on your printer and router. You will then have to press the WPS button on your router to discover new devices, then push the WPS button on the printer. This will automatically detect and connect to your wireless network.
Open Command Prompt by pressing the Windows key and typing cmd. Type netstat -r. Press Enter. You will now be able to see a list of network devices connected to your computer and your printer`s IP.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Oki C5300 problem : network menu disappeared.
ANSWER : You need MuWin and your NIC firmware to upload to the host, but both things are keep under cover by OKI… Find attached old (and probably useless for you) files; check and say.. (https://mega.nz/#F!oEkA3JKZ)By the way, you should specify what firmware do you need ¿isn’t it? I don’t know yet what firmware uses my c511dn nor what NIC host it mounts… :~(

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Unknown Printer

Fix for network menu OKI C5XXXX series
ANSWER : And it’s still hard to find…..

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Unknown Printer

oki C830 Network menu
ANSWER : You need MuWin and your NIC firmware to upload to the host, but both things are keep under cover by OKI… Find attached old (and probably useless for you) files; check and say.. (https://mega.nz/#F!oEkA3JKZ)By the way, you should specify what firmware do you need ¿isn’t it? I don’t know yet what firmware uses my c511dn nor what NIC host it mounts… :~(

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Unknown Printer

After flash format OKI C301dn… network losted 🙁
ANSWER : You need MuWin and your NIC firmware to upload to the host, but both things are keep under cover by OKI… Find attached old (and probably useless for you) files; check and say…(https://mega.nz/#F!oEkA3JKZ)By the way, you should specify what firmware do you need ¿isn’t it? I don’t know yet what firmware uses my c511dn nor what NIC host it mounts… :~(

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Unknown Printer

Which NIC and NIC F/W download and where find it OKI C511dn
ANSWER : Sorry, the right address: https://mega.nz/#F!oEkA3JKZ!YiWuhQTBl5ym-ilNRPYTaw

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Unknown Printer

Firmware(EEPROM) Oki C9650n.
ANSWER : Try the stuff I’ve find searching my OKI C511dn net card (still searching)

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Unknown Printer

Oki C5800 Lost Network settings/menu
ANSWER : Did this ever work for you?

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Epson Artisan 800 Blinking Menu
ANSWER : I actually managed to fix the error, and I literally have found ZERO websites that have the answer.

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Unknown Printer