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What is your printer doing?

Describe the symptom and find the fix: offline printers, paper jams, blank or streaky pages, driver and spooler errors. Plain steps for Windows 11 and macOS.

54
Troubleshooting guides
3
Languages
4
Symptom groups

Photo: EnricoCastelli, CC0, via Wikimedia Commons

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Latest guides

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Close-up of the electrical contacts on an ink cartridge
Print quality Printer only printing in black and white: how to get color back Printer only printing in black and white? Check grayscale settings in the app, driver and printer, the color cartridges, the driver type and any office policy. October 16, 2026
Sheets of paper feeding into a printer
Drivers, queue and errors Printer printing double sided when you did not ask: how to stop it Printer printing double sided by default? Turn off two-sided printing in the app, driver defaults, Mac presets and the printer, and fix upside-down backs. October 16, 2026
Stack of paper in a printer tray, where page order depends on how sheets stack
Paper jams and feeding Printer printing in reverse order: how to get pages and copies in the right sequence Printer printing in reverse order, last page first, or copies not collated? Fix page order in the driver, Word, PDF readers and Mac print dialog, step by step. October 16, 2026
Office laser printer with its paper path and trays visible
Print quality Printer printing only half the page: how to find the cause Printer printing half a page and stopping, or leaving one side blank? Check paper size and scaling, the job data, printer memory, the driver and ink or toner. October 16, 2026
Person working on electronics at a repair bench
Drivers, queue and errors Printer scans but won't print: what it means and how to fix it All-in-one printer scans but won't print? Make a copy to test the print engine, then check the selected printer, the queue, driver and any ink or paper error. October 16, 2026
Printer chassis held in a vice on a workbench during repair
Drivers, queue and errors Printer troubleshooting guide: find your fix by symptom Printer troubleshooting guide sorted by symptom: offline, paper jams, blank or streaky prints, driver and spooler errors, with the order to check things in. October 16, 2026
Printer opened up on a workbench while its power fault is being checked
Drivers, queue and errors Printer won't turn on: how to find out why, step by step Printer won't turn on or keeps switching itself off? Test the outlet, cable, power strip and button, drain residual power and spot a failed power supply. October 16, 2026
Laptop opened up on a repair desk next to cables and tools
Offline and connection USB printer not recognized in Windows 11: step-by-step fixes USB printer not recognized in Windows 11? Check the cable and port, read Device Manager, remove the old device, add the printer manually and update drivers. October 16, 2026
Sheets of paper feeding into a printer
Paper jams and feeding How to clean printer rollers safely and fix paper feeding problems How to clean printer rollers: find the pickup and feed rollers, use water and a lint-free cloth, run the cleaning mode and know when to replace worn rollers. October 15, 2026
Close-up of toner powder on a laser printer photosensitive drum
Print quality Laser printer ghosting: why faint copies repeat down the page and how to stop it Laser printer ghosting puts faint copies of text further down the page. Check paper type, humidity, drum and fuser in order, and learn which part to replace. October 15, 2026
Printer paper tray with adjustable paper guides set against a stack of paper
Print quality Printer cutting off edges: how to fix text and images missing at the margins Printer cutting off edges of the page? Match A4 or Letter paper size, set scaling to fit, respect the printable area, adjust tray guides and fix skewed feeding. October 15, 2026
Office laser printer with its paper path and trays visible
Drivers, queue and errors Printer says the door or cover is open when it is closed: what to check Printer door open error but every door is closed? Find which cover the printer means, check latches, cartridges and trays, clean the sensor tab and restart. October 15, 2026
01

Symptom first

Guides start from what you see on the screen or the page, not from a brand or model, and fix the likely causes first.

02

Current systems

Windows steps are written for Windows 11 and Mac steps for current macOS, with links to Microsoft and Apple documentation.

03

No support lines

We do not sell repairs, ink or support and never show a phone number. We tell you honestly when a part has failed.