A printer that won't print even though it has ink, a blank page
Article · Printing Blog | Startoner

The Printer Won't Print Even Though It Has Ink: Solutions

Updated

Having ink does not rule out cartridge, queue, connection, driver or print-head problems. Check the error message and first try a test page from the printer itself.

If pages are blank or colours are missing, print a nozzle check. A blockage is one possible cause, not a confirmed diagnosis.

Key points

  • Having ink does not rule out cartridge, queue, connection, driver or print-head problems. Check the error message and first try a test page from the printer itself.
  • If pages are blank or colours are missing, print a nozzle check. A blockage is one possible cause, not a confirmed diagnosis.
  • Print a test page from the printer itself: if it comes out, the fault is in the computer or the connection.
  • Some inkjet models won't even print in black if a colour is missing, because they use all the tanks for maintenance.

Why won't the printer print if it has ink?

Because "having ink" and "being able to print" are two different things. Between your document and the paper there's a chain (driver, print queue, connection, firmware and head) and it only takes one link to fail for everything to stop, with the cartridge full. Microsoft sums up the flow like this: the queue manages the documents and sends them out one by one; if one gets stuck, it blocks all those behind it (Microsoft Support, 2025).

The print queue is the operating system software that receives each document, lines it up and feeds it to the printer sheet by sheet. The print head is the inkjet part that fires the micro-droplets through its nozzles; if it dries out, the ink won't come out even if the tank is full.

Initial checks

  1. Restart the printer. Switch it off, wait 30 seconds and switch it on. This clears temporary memory errors; manufacturers recommend waiting at least 60 seconds if the machine was very hot.
  2. Restart the document. Cancel the print job and send it again.
  3. Look at the printer's screen. A paper jam, an open cover or an error warning leaves it stopped even though it has ink. If it's paper, here's how to fix a paper jam.
  4. Check it's the right printer. Windows and Mac sometimes send the job to a "virtual" printer (PDF, OneNote, Fax) or to another one in the office.

If it still doesn't come out, let's go to the specific causes.

How do I unblock the print queue?

Open the correct printer’s queue and cancel the stalled job first. If it does not respond, follow Microsoft’s queue-restart guide. On shared computers, consult IT before deleting other users’ jobs.

On Windows

  1. Open Settings → Bluetooth & devices → Printers & scanners and select your printer.
  2. Click Open print queue.
  3. Cancel all the documents in the list (right-click → Cancel).
  4. If a job won't cancel, restart the service: press Windows + R, type services.msc, find Print Spooler, right-click → Restart.
  5. Still stuck? Stop the spooler service, delete the files in C:\Windows\System32\spool\PRINTERS and start the service again.

On Mac

On Mac, first cancel the stalled job. Resetting the printing system is a last resort: it removes all configured printers, job information and printer presets. Printers must then be added again; consult IT for a shared computer. Apple Support.

What do I do if the printer shows as "offline" or "paused"?

Windows marks the printer as "offline" when it loses contact for a moment (a Wi-Fi micro-dropout, the machine going to sleep) and sometimes doesn't come back on its own, even though the printer is switched on and connected. HP's own support describes it as one of the most common patterns: the machine appears connected but Windows treats it as offline because of a stuck job or a paused queue (HP Support, 2025).

In Printers & scanners, open the queue and check the Printer menu: untick Use printer offline and Pause printing if they're enabled. Then restart the printer so Windows recognises it again.

Is the connection the problem?

Often yes, and it's easy to rule out. If the printer is on a different network from the computer, or if the USB cable goes through a hub, the job leaves the PC but never arrives. First check the means by which you print.

  • Over Wi-Fi. Confirm the printer is still connected to the network (its screen usually shows this) and that the computer or phone are on the same network. If the printer has lost the Wi-Fi, follow our guide how to connect the printer to Wi-Fi. And if you print from the phone, check how to print from your phone.
  • Over USB cable. Try another USB port and, if you can, another cable. Connect directly to the computer, not through a hub.

Is the driver faulty or out of date?

It's possible, and it happens more than you'd think after every system update. The driver is the software that translates your document into the printer's language; if it gets corrupted after a Windows update, the printer stops responding even though the hardware is perfect. Microsoft includes it among the typical causes of a printing fault and recommends installing the manufacturer's most recent driver (Microsoft Support, 2025).

  1. In Printers & scanners, remove the printer.
  2. Download the most recent driver from the manufacturer's official website (HP, Epson, Canon, Brother), not from third parties.
  3. Add the printer again with the new driver.

And what if the head is clogged? (inkjet only)

If pages are blank or colours are missing, print a nozzle check. A blockage is one possible cause, not a confirmed diagnosis.

There is no universal cycle count or waiting time. Follow your model’s manual, run nozzle checks between attempts and observe its waiting periods before repeating or using deep cleaning. Print-head design depends on the model: some cartridges contain the head, while others use a separate head. Replacing a cartridge replaces the head only when integrated; it does not guarantee a fix for every fault.

There is no universal cycle count or waiting time. Follow your model’s manual, run nozzle checks between attempts and observe its waiting periods before repeating or using deep cleaning. how to clean the print heads

There is no universal cycle count or waiting time. Follow your model’s manual, run nozzle checks between attempts and observe its waiting periods before repeating or using deep cleaning. my printer prints with streaks

And what if the printer doesn't recognise the cartridge?

An unrecognised-cartridge warning may result from the wrong reference, installation, contacts, a faulty chip or firmware restrictions. Check the exact message and your model’s instructions before blaming firmware. HP Support. my printer doesn't recognise the compatible toner · the HP firmware that blocks cartridges

Trick · the "test page"

Having ink does not rule out cartridge, queue, connection, driver or print-head problems. Check the error message and first try a test page from the printer itself.

Quick summary by brand

Maintenance menus and features depend on the model, operating system and app. Use a compatible official tool and follow your printer’s cleaning instructions.

Brand Diagnostic tool
HP Use Diagnose and Fix in the HP app. HP Print and Scan Doctor is retired.
Epson Epson Smart Panel shows the printer status, the pending jobs and the nozzle check.
Canon Canon IJ Printer Assistant Tool manages status, queue, nozzle check and head cleaning.
Brother Brother iPrint&Scan and the Status Monitor utility report the real state of the machine.

When is the problem actually the ink?

Sometimes it is, even though the cartridge isn't completely empty. The printer may refuse to print if it detects too low a level, if the cartridge chip is damaged or if a colour is missing. In fact, HP documents that on several of its inkjet models ink is needed in all the cartridges for periodic maintenance tasks, so an exhausted colour also blocks black (HP Support, 2025).

Before buying, check the exact model, reference, colour, declared yield and price. Read the product’s warranty and return terms; do not assume certification or coverage of the printer. Warranty terms · Identify your toner · Compatible toner · Compatible ink cartridges

Frequently asked questions

Why won't my printer print if it has ink?

Having ink does not rule out cartridge, queue, connection, driver or print-head problems. Check the error message and first try a test page from the printer itself.

How do I unblock the print queue on Windows?

Open the correct printer’s queue and cancel the stalled job first. If it does not respond, follow Microsoft’s queue-restart guide. On shared computers, consult IT before deleting other users’ jobs.

My printer shows as "offline", what do I do?

In Printers & scanners open the queue and, in the Printer menu, untick "Use printer offline" and "Pause printing". Then restart the printer so the computer recognises it. HP describes this phantom offline state as one of the most frequent fault patterns (HP Support, 2025). Also check that both are on the same Wi-Fi network.

I have ink but blank or incomplete sheets come out, why?

If pages are blank or colours are missing, print a nozzle check. A blockage is one possible cause, not a confirmed diagnosis. There is no universal cycle count or waiting time. Follow your model’s manual, run nozzle checks between attempts and observe its waiting periods before repeating or using deep cleaning.

Can a printer refuse to print in black if a colour is missing?

Yes. Several inkjet models block all printing, including black, if a colour cartridge is empty, because they use all the tanks for head maintenance tasks (HP Support, 2025). Replace the exhausted colour or look in the settings for the black-only printing option.

Keep reading at Star Toner

Sources

  • Microsoft Support, Fix print job stuck in queue errors in Windows: https://support.microsoft.com/en-us/windows/fix-print-job-stuck-in-queue-errors-in-windows-9ee21bad-4488-45b5-b497-2d8299bd74aa
  • Microsoft Support, Fix print spooler service not running errors in Windows: https://support.microsoft.com/en-us/windows/fix-print-spooler-service-not-running-errors-in-windows-bb0de80a-8c4a-4938-a36a-f89a859113f0
  • Microsoft Support, Fix printer connection and printing problems in Windows: https://support.microsoft.com/en-us/windows/fix-printer-connection-and-printing-problems-in-windows-fb830bff-7702-6349-33cd-9443fe987f73
  • HP Support, Printer Offline Issues – How to Fix: https://support.hp.com/us-en/help/printer/printer-offline
  • HP Support, Fix HP Printer Color or Black Ink Not Printing: https://support.hp.com/us-en/help/printer/black-ink-not-printing
  • Epson Support, Nozzle Check Pattern Prints Incorrectly: https://files.support.epson.com/docid/cpd4/cpd40257/source/pro_graphics/source/troubleshooting/reference/problem_nozzle_check_pattern.html
  • Canon Support, How to check for clogged printhead nozzles: https://support.usa.canon.com/kb/s/article/ART171659
  • LD Products, My Printer Won't Print in Black: What Should I Do?: https://www.ldproducts.com/blog/printer-wont-print-black-what-to-do/

Last updated: July 2026. Star Toner, Central Warehouse, Calle Océano Atlántico 38, 11379 Los Barrios, Cádiz. CHICTRATEC S.L. (NIF B72834534), part of the Recycop Group founded in 1998.

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