Canon GP-4000 44" Large Format Poster Printer

The Canon GP-4000 is a 44″ large-format printer built for graphic arts, posters, signage, and premium photo work at production scale. It’s the world’s first large-format printer with aqueous pigment Fluorescent Pink ink, giving it a wider color gamut than any imagePROGRAF printer before it. Buffalo Imaging serves professional print shops and studios with the equipment and supplies they need to keep production moving.

Radiant Infusion Fluorescent Pink Ink

Canon’s Radiant Infusion technology layers Fluorescent Pink ink with the printer’s other pigment colors on the paper surface, creating bright, soft color reproduction that standard aqueous printers can’t reach. Combined with the Red, Orange, Green, and Violet inks, the GP-4000 has the largest color gamut of any imagePROGRAF printer to date, making it well suited for eye-catching posters, retail signage, and promotional graphics at scale.

PANTONE Calibrated Accuracy

The GP Series is the world’s first PANTONE Calibrated line for the PANTONE Pastels & Neons Guide Coated, covering fluorescent and pastel colors most printers can’t reproduce. It also hits 99% of the colors in the PANTONE Formula Guide Solid Coated, which matters for brand-accurate signage, retail graphics, and corporate color work.

Intelligent Media Handling

The GP-4000 automatically detects media type, width, and length, and loads roll paper without manual intervention. It accepts roll and cut-sheet media from 6″ to 44″ wide. An optional Multifunction Roll Unit (RU-43) adds a second roll for switching between media types or continuous take-up printing, and is the same accessory used by the Canon PRO-4600, PRO-4100, and PRO-4100S.

Built for Production Workflows

A 4.3″ color touchscreen makes it easy to check ink levels, media status, and print jobs at a glance. The built-in Color Calibration function uses a multi-sensor to keep output consistent from the first print to the last, and a 500GB internal hard drive stores print jobs directly on the printer for fast reprinting without tying up a host computer. USB thumb drive printing lets you print PDFs and JPEGs directly without a computer at all.

Connectivity and Compatibility

The printer connects via USB 2.0, Gigabit Ethernet, or Wi-Fi, with a built-in USB port for direct printing from external media. It’s compatible with both Mac and Windows workflows and comes bundled with Canon’s PosterArtist Lite poster creation software, along with Professional Print & Layout, Accounting Manager, and Device Management Console.

What’s in the Box

imagePROGRAF GP-4000 printer with stand
Catch basket
Print Head (PF-10)
2″/3″ core media spool with adapters
11 starter ink tanks, 330ml each (all colors including Fluorescent Pink)
Maintenance cartridge (pre-installed)
Power cable, tools, and screws
User manual, quick setup guide, and media guide
Software discs (Windows drivers, PosterArtist Lite)
Warranty statements and product registration materials

Full Specifications

Spec	Detail
Print Technology	10-color pigment ink plus Fluorescent Pink (11 total)
Ink Colors	Photo Black, Matte Black, Cyan, Magenta, Yellow, Green, Gray, Red, Orange, Violet, Fluorescent Pink
Max Print Width	44″
Max Resolution	2400 x 1200 dpi
Print Head	PF-10, 1.28″ wide, 18,432 nozzles (1,536 per ink), FINE anti-clogging technology
Media Handling	Roll and cut sheet, 6″ to 44″ wide, up to 6.7″ roll diameter, auto loading and detection
Dual-Roll Capability	Via optional Multifunction Roll Unit (RU-43) — shared with PRO-4600/PRO-4100/PRO-4100S
Hard Drive	500GB internal, for print job storage and reprinting
Connectivity	USB 2.0, Gigabit Ethernet, Wi-Fi, USB thumb drive printing
OS Compatibility	Windows and Mac
Power Consumption	99W max, 2.0W standby, ~0.3W power off
Operating Environment	59-86°F, 10-80% relative humidity, non-condensing
Noise Level	49 dB(A) or less during operation
Printer Dimensions	63″ W x 39″ D x 46″ H
Weight	274 lbs
SKU	5253C002AA
UPC	013803341911
User-Replaceable Items	Print Head (PF-10), Maintenance Cartridge (MC-30), Ink Tanks (PFI-2100/PFI-2300/PFI-2700)
Bundled Software	PosterArtist Lite, Professional Print & Layout, Accounting Manager, Device Management Console, Media Configuration Tool

What is the Canon imagePROGRAF GP-4000 used for?

The GP-4000 is a 44″ large-format printer built for graphic arts, posters, signage, and premium photo work at production scale. It’s commonly used by print shops, in-house marketing teams, and design studios that need vibrant, high-impact color for retail graphics and promotional printing.

What is the best Canon printer for large-scale poster and signage production?

The GP-4000 is Canon’s larger-format graphics and poster printer, built around a Fluorescent Pink ink channel that standard aqueous printers don’t have. If your work leans toward eye-catching neons, bold retail graphics, or brand-accurate signage at 44″ scale rather than archival fine art, it’s purpose-built for that rather than the fine-art-focused PRO Series.

What makes the Fluorescent Pink ink different from a standard printer?

The GP-4000 is part of the world’s first large-format printer line with aqueous pigment Fluorescent Pink ink. Canon’s Radiant Infusion technology layers the fluorescent pink with other pigment colors during printing, producing bright, soft color reproduction and a wider color gamut than any imagePROGRAF printer before it, especially in neons and hot pinks that standard ink sets can’t reach.

What’s the difference between the Canon GP-4000 and the PRO-4600?

The GP-4000 and PRO-4600 are both 44″ printers but built for different purposes. The GP-4000 uses a 10-color plus Fluorescent Pink ink set optimized for vivid posters and graphics, while the PRO-4600 uses a 12-color LUCIA PRO II archival ink set built for fine art and photography. They share the same optional RU-43 roll unit accessory.

What media types and paper sizes does the GP-4000 support?

The printer handles roll and cut-sheet media from 6″ to 44″ wide, with a maximum roll diameter of 6.7″. It’s designed for graphics and signage media as well as premium photo paper stocks.

Does the GP-4000 support two rolls of paper at once?

Not out of the box. The GP-4000 ships with a single roll holder, but you can add the optional Multifunction Roll Unit (RU-43) to run two rolls at once or use the second position as a take-up reel for continuous printing. This is the same accessory used by the Canon PRO-4600, PRO-4100, and PRO-4100S.

Is the Canon GP-4000 the best printer for PANTONE color accuracy at 44 inches?

The GP Series is the world’s first PANTONE Calibrated line for the PANTONE Pastels & Neons Guide Coated, and it hits 99% of the colors in the PANTONE Formula Guide Solid Coated. For brand-accurate signage and retail graphics work at larger production scale where matching PANTONE colors matters, it’s one of the more purpose-built options available.

Can the GP-4000 print without a computer connected?

Yes. The printer supports direct printing of PDF and JPEG files from a USB thumb drive. You preview the image on the 4.3″ touchscreen and print directly, without needing a computer connection.

What connectivity options does the GP-4000 have?

USB 2.0, Gigabit Ethernet, and Wi-Fi are all built in, along with USB thumb drive printing for direct file printing. It works with both Mac and Windows and comes bundled with Canon’s PosterArtist Lite poster creation software.

What is the best way to store and reprint jobs on the GP-4000?

The GP-4000 has a built-in 500GB hard drive that stores print jobs directly on the printer, so you can reprint without resending files from a computer. This is especially useful for shops running repeat poster or signage jobs across multiple print runs at scale.

Print Width	44"
Weight	274 lbs
Dimensions	63 × 39 × 46 in

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