ReferencePrinters and Scanners
Printer error lights and codes explained
Printer lights and error codes differ by maker and model. Learn how to read them, the usual categories of fault, and where to find the exact meaning for your printer.
- Any device
A blinking light or a code such as "E-04" tells you something is wrong, but it does not tell you what. Learn how to read printer lights, the usual families of faults, and the quickest way to find what your own printer means.
Why there is no single list of codes
There is no universal code list. Each maker, and often each model, uses its own lights, symbols and numbers. The same pattern, such as one blinking orange light, can mean a paper jam on one printer and a low ink warning on another. Any website that gives one meaning for a code, without naming your printer's exact model, may be wrong.
Because of that, this guide does not list codes by brand. It shows how to find your printer's own meaning, and which check to try first for each type of problem.
Text version of this diagram
- Read the screen: Many printers show words or a code on the display
- Look at your computer: The print queue or maker's app often explains the fault
- Check the manual: Search the PDF manual for the code or light
- Use the support page: Open the maker's official page for your model
How to read the lights
Lights often tell you two things: the color or symbol shows what area has a problem, and the pattern shows how serious it is.
| What you see | What to keep in mind | What to do first |
|---|---|---|
| A steady light | May mean ready, powered on, or a condition that needs attention | Compare it with the symbol next to it |
| A blinking light | May mean busy, warming up, or an error; the speed of blinking can matter | Wait a minute, then look again |
| A colored light | The color may point to a warning, but the meaning is set by the maker | Look for a symbol such as paper, ink or a cover |
| Several lights together | The combination may be a specific fault | Note the combination and look it up in the manual |
| A code on the display | The code is specific to the maker and model | Search the manual or support page for that exact code |
Treat the table as a starting point only. Your model's manual is the authority.
Common families of problems
Most printer faults fall into the groups below. Look at the symbol on the control panel, then follow the matching guide.
- Control panel: lights, screen and codes appear here
- Front cover: an open cover can trigger an error
- Input tray: empty or badly loaded paper
- Output tray: blocked by a stack or a half-ejected page
Text version of this diagram
The front of a typical all-in-one inkjet printer: a scanner lid on top, a small control panel on the top right, a front door, an output tray that slides out below the paper slot and an input tray at the bottom.
- Control panel: lights, screen and codes appear here
- Front cover: an open cover can trigger an error
- Input tray: empty or badly loaded paper
- Output tray: blocked by a stack or a half-ejected page
| Fault group | What to check | Guide |
|---|---|---|
| Paper jam or paper out | Open the covers the printer points to, remove stuck paper, reload the tray | Printer paper jams |
| Ink or toner | Look for low or empty warnings; reseat the cartridge and remove tape | Ink or toner not recognized |
| Cover or door open | Close all covers firmly, including the scanner lid | Printer manual |
| Wireless or network | Check the printer is on the same network as your device | Connect a printer to Wi-Fi |
| Offline or not responding | Check power, cable, and the print queue on the computer | Printer offline |
| Print quality | Run a nozzle check or test page | Faded, streaky or blank prints |
| Jobs stuck | Clear or restart the queue | Queue is stuck |
A safe first response to any error
- Read the printer's display, if it has one. Write down any wording or number exactly.
- Check the obvious things: paper in the tray, covers closed, cartridges seated, cables firm.
- Look at your computer. On Windows, the print queue window often shows a message. A printer maker's app on your computer or phone may name the fault.
- Turn the printer off with its power button, wait about 30 seconds, and turn it on again. This clears many temporary faults.
- If the error returns, search the manual or the maker's support page for your model using the exact code or light description.
Some makers show a mix of lights and a display. For example, Epson notes that an error light comes on when a jam occurs, and the control panel or its status software shows which cover to open. Epson also says that if a red ink light stays on after you install a new cartridge, the printer itself may be at fault.
Do not follow codes from pop-ups or adverts
A real printer fault shows on the printer or in your printer software. A web page or pop-up that says your printer has a "critical error" and gives a phone number is not from your printer maker. Never call such a number. See how to spot tech support scams.
When to stop and use the maker
- The same light or code returns after a restart and after you have checked paper, covers and cartridges.
- You smell burning, hear grinding, or see damage. Turn the printer off and unplug it.
- The manual says the fault needs a repair, a part or service.
In those cases, use the support page on the printer maker's website, typed in yourself or taken from the manual. Do not use a number or link from an advert.
Frequently asked questions
What does a blinking orange light mean?
It depends on the maker and model. It commonly signals a problem that needs attention, but the exact cause could be paper, ink, a cover or something else. Check the display and the manual.
Can I find a code on the internet?
Only reliably on the printer maker's own site, for your exact model. Third-party code lists often mix up different brands.
Is it safe to keep printing with a warning light on?
A low ink or toner warning is often only advice. A jam, open cover or another error normally stops the printer, and forcing it can cause damage.
Why does my printer show an error but print anyway?
Some warnings, such as low supplies, do not stop printing. Read the message to see if the printer expects you to act.
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Official resources used
Pages consulted while preparing this guide. Check them for the latest details.
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