Printer troubleshooting technician providing live chat help

Joe B.

Expert ★★★★★ 27,853 satisfied customers

Specialities: Banner printing & roll media, custom paper sizes, RIP/drivers (PCL/PS), firmware limits, Epson/Canon/HP large-format & desktop

Long sheet printing stops halfway — increase maximum printable length, enable roll/banner mode, set custom size, update firmware

Technician avatar Technician
Let’s stop the job from cutting off mid-page and print the whole banner. Quick check:
• Printer & media: desktop photo/office or large-format with roll paper? Paper length/width?
• Connection & app: Windows/macOS, printing from Acrobat, Photoshop, Word, RIP?
• Symptoms: stops at the same length (e.g., 431.8 mm / 17″, 914 mm / 36″), driver error, or the printer ejects early.
We’ll set a proper custom paper size, switch to Roll/Banner mode where needed, and raise the maximum printable length (firmware/driver).
Customer
HP OfficeJet on Windows for school banners (legal-length card). Anything longer than ~19″ stops and ejects. Custom size exists but it still truncates.
Technician avatar Technician
Most desktop printers have a driver-enforced max page length. Even with “Custom size”, the device or driver caps the length (varies by model). If the app sends a page taller than the limit, the job clips or stops. Fix is to define a custom paper size within supported limits, or use a device that supports banner/roll paper — then the driver enables a much larger maximum printable length. We’ll also check firmware because some models unlock longer pages after an update.
Customer
Where do I set proper custom size in Windows? The list keeps snapping back. I’m printing from Acrobat.
Technician avatar Technician
Windows (HP)
1) Printers & Scanners → your HP → Printing Preferences.
2) On Paper/Quality (or Advanced) click Custom / Manage Custom Sizes and create a size within your model’s min/max limits (e.g., width ≤ tray width, length ≤ device max).
3) In Acrobat: File → Print → Page Setup pick your custom size → in main dialog ensure Actual size (no scaling) and Auto portrait/landscape off if it rotates.
4) If the driver auto-clips, try Poster/Tiling as a fallback or switch to a printer with banner/roll support for long sheets.
Keywords: custom paper size Windows, maximum printing dimensions, banner print stops halfway.
Customer
We also have an Epson with roll paper. Banner still stops around 1–2 meters. Is there a roll length limit?
Technician avatar Technician
Yes — even with roll paper, the **driver** sets a ceiling (varies by series). In Epson drivers you often must choose Source = Roll Paper (Banner) and then define a long User Defined length. Many Epson LFPs list a max printable length (e.g., up to 18 m or higher by model) — using the correct mode unlocks that length; otherwise jobs truncate near ~1 m.
Also ensure the app canvas matches the user-defined size exactly; mismatches cause early ejects.
Keywords: roll paper mode, user defined size, maximum printable length, banner printing.
Customer
On macOS the custom size works, but the printer shrinks the whole thing. Is that a driver option?
Technician avatar Technician
macOS drivers can shrink to max if your banner exceeds the model’s limit. In the driver’s Page Setup / Paper Size → Manage Custom Sizes set the exact width/length; in the printer options disable any Fit to Roll or Auto Reduce behavior. Some Canon LFP drivers explicitly state “Maximum printable length” — if the job exceeds it, the driver scales or truncates. Keep your design within the limit or split with tiling.
Customer
Could firmware be the reason it stops? The printer is a few versions behind.
Technician avatar Technician
It can. Vendors sometimes add or stabilize banner/long length support via firmware/driver updates. Action plan:
• Update printer firmware and install the latest driver/RIP (Windows PCL/PS, macOS).
• After update, re-create the User-Defined size and re-select Roll/Banner source.
• Test from two apps (Acrobat & Photoshop) to rule out application caps.
Related keywords: max length firmware setting, driver limit, print job truncates, long sheet firmware.
Customer
What about office lasers? Our HP LaserJet stops at ~14″. Any workaround?
Technician avatar Technician
Many desktop lasers/inkjets have a hard page-length cap. Creating a longer custom size won’t exceed the device limit. Options:
• Keep within the model’s maximum printing dimensions and tile across pages (Poster mode).
• Use a model that supports banner/long-page printing or a large-format with roll paper.
• Some older drivers accept lengths only up to 431.8 mm × 914.4 mm (17″ × 36″). Check your device specs or use our chat for model-specific limits.
Customer
We have a Canon LFP too. Does it have a different max length?
Technician avatar Technician
Yes, Canon imagePROGRAF drivers document a maximum printable length (e.g., up to 18.0 m on some models; others less). If your data exceeds that, the driver will shrink or clip. Select Roll Paper, register a custom paper size within the limit, and print from the Canon driver rather than AirPrint/generic.
Customer
Great. After firmware + roll banner mode + exact custom size, the banner prints full length. Thanks!
Technician avatar Technician
Summary: Long sheet jobs stop halfway when the page length exceeds your printer/driver limit. Define a custom paper size within supported limits, enable Roll/Banner mode, match the design canvas, and update firmware/driver to unlock the model’s maximum printable length. Need the exact limit and clicks for your device? Open the chat.

Quick answer: the accepted fix

Accepted fix when long sheet printing stops mid-page: create a custom paper size within your model’s limits, switch the driver to Roll/Banner source (if supported), and update firmware/driver to raise the maximum printable length. Keep the app canvas exactly the same size to prevent truncation.

Why long prints truncate (driver cap, custom size, roll mode)

Printers enforce a driver-level page length limit. If your document exceeds it, the device ejects early or clips. Using banner/roll mode exposes a larger ceiling, but you still must register a user-defined size within spec. Some models expand limits via firmware; others require a different driver or RIP.

How to verify the new max length works

Print a test banner whose length is just under the spec (e.g., 1000 mm if the limit is 1100 mm). If it completes, try the full size. Check the driver’s job log for page length and ensure scaling is off. On roll devices confirm Roll Paper (Banner) is selected and the User Defined size matches your canvas.

Long sheet — quick troubleshooting tips

Most “stops halfway” cases are page-length caps or wrong paper source.

Quick path: set custom size → enable Roll/Banner → update firmware/driver → match app canvas → test just under limit. For desktop printers without banner support, use Poster/Tiling or a device with roll media.

Disclaimer: This information is AI-generated and intended for general guidance only. For advice specific to your environment, please consult a verified expert on Whizz-Tech before making decisions.

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FAQ

Why does my long print stop halfway or eject early?

Your document exceeds the printer/driver maximum printable length. Use custom size within limits, enable Roll/Banner, and update firmware.

How do I set a custom paper size on HP (Windows/macOS)?

Open the HP driver → Custom/Manage Custom Sizes → enter width/length supported by the model → select that size in your app. Keep scaling off.

Do roll printers have length limits?

Yes. Large-format drivers list a max printable length (e.g., 4–18 m+ by model). Choose Roll Paper (Banner) and a matching User-Defined size.

Firmware helps with long sheets?

Sometimes. Vendors add stability/features for banner printing via firmware & driver updates. Re-create custom sizes after updating.

Sources

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