Unknown Printer

How to Identify and Fix Common Problems ?

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While a broken pin is the most common reason a row of dots does not appear, it`s also possible that the signal to fire the pin is not reaching the print head. If the ribbon cable(s) connecting the print head to the main board is damaged, one or more of the signals to fire a pin will not reach the head.
Resetting the Printer

Turn the printer off. While holding the reset button, turn the printer on. Continue to hold the reset button. After 5 seconds, a warning will print out.

This can be caused by a faulty USB cable, bad interface card on the printer, improper interface type selected in the printer settings or having the wrong driver installed on the computer. The easiest issue to check is the drivers.
A printer printing lines on the page are normally caused by a blocked, dirty, or damaged print head. Blocked ink cartridge nozzles, or not removing protective seals correctly when you installed a new ink cartridge can also cause missing lines of print.
Dots are typically caused by foreign material inside the machine (for example paper dust, glue from labels or envelopes, paper clips, staples) sticking to or damaging the surface of the drum. Toner builds up on or sticks to these areas on the drum and creates black dots on the printed pages.
With hardware lifespans in the four- to seven-year range, dot matrix printers can keep running twice as long as a laser printer. Depending on usage, a single ribbon may last a year.
Yes, you can reset the print settings to their original, default values. Press and hold down the Cancel button for 3 seconds. When the message to reset the printer to default settings appears, press OK to reset the print settings.
It is usually on the top right-hand side of your printer, near any digital display screen that the printer may have, and where the button used to turn the computer on and off is also located. Find the button marked Pause/Reset on the row of buttons on the control panel.
Check all cable connections (including the power cord) on the printer side. If the printer does have power and you`ve properly connected the communication cable, but the printer is still not recognized, try switching to a different USB port on the PC.
An Ink cartridge has not been inserted in its slot correctly: If an ink cartridge isn`t fully clicked into its designated slot, the printer can`t detect the new ink cartridge and will display an error message.
With hardware lifespans in the four- to seven-year range, dot matrix printers can keep running twice as long as a laser printer. Depending on usage, a single ribbon may last a year.
With hardware lifespans in the four- to seven-year range, dot matrix printers can keep running twice as long as a laser printer. Depending on usage, a single ribbon may last a year.
Factors like temperature and slicer settings can be the cause and solution to blobs and zits. So if you`re experiencing imperfections in your 3D print`s outer shell, be sure to play with your retraction, coasting, and wipe settings, as well as adjust your nozzle print temperature.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Epson printer can't recognize Epson ink cartridge
ANSWER : Hi, my name is Jim.

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Unknown Printer

Epson XP600 Paper Jam
ANSWER : hi Russ .did u find solution for ur problem?? i have the same problem ,how did u fix ur printer ..will be glad if u write me on email [email protected]

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epson 7880 adjustment wizard
ANSWER : adjustment epson stylus pro 7880

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Epson Stylus PX810FW
ANSWER : You could have air in the tubing/print head.

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Unknown Printer

Epson, sudden cannot recognise cartridges error
ANSWER : Hi, I have exactly the same problem than you, I’ve been trying to solve it since 6 months. I have an Artisan PX730 WD, and the genuine cartridge can’t be recognized all together. And status monitor indicates same thing than you.

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Unknown Printer

Epson R3000 Inkjets Clogged
ANSWER : If you haven’t yet destroyed your printer or turned it into a paper weight, check this out:

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Epson Artisan 835 print head cleaning question
ANSWER : I had the same problem. After reading the comments, I tried Liquid Wrench spray. 1st try got about sixty percent improvement. Tried again this time I let it set for about 10 min then did a head cleaning. Completely solved the problem. I am a little concerned about its use on plastic. So far so good.

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Paper feeds straight through without printing on an Epson R2400
ANSWER : I was able to get it to print the internal test page by holding down the sheet paper feed button while turning the machine on — then continuing to hold the sheet paper feed button. It took several attempts, feeding a page straight through, but eventually it caught the sheet and printed. So it may be a timing issue as others have mentioned. It could still mean that the feed rollers are worn out. The back side of the large D-shaped feed roller has visible abrasion on it. The abrasion is difficult to see as the roller does not stay with the flat side exposed.

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Unknown Printer