Home / Wide-Format Printers / HP DesignJet
HP · Wide-Format Plotter
HP DesignJet T770
24" color graphics & photo printer
- ModelCQ305A
- Prints24" wide
- Score55/100
Authorized HP dealerGenuine hardware & ink
Manufacturer warrantyExtendable to 3 years
Free shippingContinental U.S.
Plotter specialistsAEC experts, not just sellers
Analyst take
- Single-roll, print-only 24-inch plotter with a maximum print size of A1.
- Line accuracy of +/- 0.1% and a minimum line width of 0.001 inch suit dimensioned CAD and survey work.
- Five inks plus a photo black give more color reach than a four-ink plotter, but no measured gamut data is available for this model.
Not sure if the CQ305A is right for you?
Compare key specs and an AI analyst read-out against similar models.
- Wide-format reach Prints up to 24" wide on rolls and sheets.
- Fine detail 2400 x 1200 DPI maximum resolution for crisp line work.
- Ink platform Cyan, Magenta, Matte black, Photo black, Yellow.
- Connectivity Ethernet for shared team printing.
- Analyst score Scores 55/100 in our class-relative rating.
Overview
Built for the work
HP Designjet T770 610 mm, 2400 x 1200 DPI, PCL 3, Cyan, Magenta, Matte black, Photo black, Yellow, 28 sec/page, A1 (594 x 841 mm), A1, A2, A3, A4
- 693 ft²/hRated speed
- 6Ink channels
- 2,400 dpiMax resolution
Spec Analysis
overall
overall
Expert analysis
What you should know
Key takeaways
- Single-roll, print-only 24-inch plotter with a maximum print size of A1.
- Line accuracy of +/- 0.1% and a minimum line width of 0.001 inch suit dimensioned CAD and survey work.
- Five inks plus a photo black give more color reach than a four-ink plotter, but no measured gamut data is available for this model.
- HP rates draft output at 37 m2/hr on coated paper and 28 seconds per page in normal quality.
- Runs quietly at 46 dB and carries ENERGY STAR certification, with typical power draw of 120 W.
- Print-only — no scanner; step up in width or to an MFP in the family if you need larger sheets or copying.
Look at an A1 site plan pulled off a 24-inch DesignJet T770 and the first thing your eye reads is the line — a 0.001-inch stroke that stays a line rather than dissolving into a gray suggestion. That legibility is the whole job in AEC work, and it’s where this machine spends its five inks: cyan, magenta, yellow, matte black and a separate photo black, with a printhead firing across 1,056 nozzles at up to 2,400 x 1,200 dpi.
The T770 is a six-cartridge, single-roll, print-only plotter aimed squarely at the firm that produces plan sets on bond and needs them to be exact, quiet and repeatable — not a color-proofing studio and not a copy center.
+/- 0.1%Line accuracyscale you can trust off the roll
0.001" (0.02 mm)Minimum line widthfine linework holds
37 m2/hrDraft throughputHP-rated, color image on coated paper
46 dBAcoustic pressureoffice-floor quiet
What it is built to do
This is a 24-inch machine — maximum print size A1, custom widths from letter up to 24 inches, and a single roll that accepts media up to 66 inches long per sheet, or one continuous run to the roll’s 91-meter limit. It handles ISO A1 through A4, prints on stock from 60 to 328 g/m2, and clears media up to 0.031 inch thick, which covers most bond, coated and heavier presentation papers you’d feed it.
The engine underneath is an Intel Pentium M at 800 MHz with 2 GB of memory, spooling over Fast Ethernet or USB Type-A. That’s honest sizing for HP-GL/2-style plotting and PDF plan sets. It won’t feel fast next to a modern controller, but for a small-to-mid drawing office pushing A1 sheets, the rated 28 seconds per page in normal quality is a working cadence, not a bottleneck.
The color question, honestly
Five inks and a photo black give the T770 more reach than a four-color plotter, and on glossy paper HP rates it at 2.8 m2/hr in best quality — the slow, careful mode. That matters for a color-coded MEP coordination sheet or the occasional rendering, where a saturated red needs to read as one red across a legend. But I’ll be plain: we have no measured gamut data for this machine, so I won’t hand you a color-accuracy claim I can’t stand behind. For photographic boards where the last five percent of a shadow is the point, you’d want to see prints on your own paper before committing.
Where the T770 is genuinely comfortable is the daily reality — black linework, dimensioned drawings, GIS overlays and title blocks that come out clean, in scale, at 46 dB on the far side of the office.
Estimate a plan-set run on this machine using HP's rated 28-seconds-per-page normal-quality figure — adjust for your sheet count to see a realistic window.
One set: – · Weekly plotting time: –
Computed from the manufacturer's rated 693 ft²/h. Real-world mixed sets run slower — treat this as a best case for comparing machines, not a promise.
Where it sits in the family
If your production is outgrowing A1 — D- and E-size civil sheets, larger survey plots — the same engine in a wider body is the HP DesignJet T770 44-in, and the step-up HP T790 44-in adds controller headroom. Need scanning and copying for as-builts and redlines? This machine is print-only; the HP DesignJet T830 24-in brings an integrated scanner in the same width. And if unattended, high-volume plotting is the goal, a dual-roll model like the HP DesignJet T1600dr 36-in changes the math entirely. It’s worth a side-by-side — compare the T770 against the T830 MFP — before you decide.
Keep reading
The read
The DesignJet T770 24-in is a specialist that knows its lane: a quiet, single-roll, print-only plotter for a small or mid-sized office producing A1 and smaller plan sets where line accuracy of +/- 0.1% and clean fine linework matter more than raw speed or color proofing. Feed it HP 712 inks and the HP 713 printhead, give it good bond, and it earns its keep. It’s less appropriate if you need E-size output, an on-board scanner, or dual-roll unattended running — for those, look up-family. But for the firm whose day is A1 drawings that must come out exact and legible, this is a sensible, well-mannered machine.
Spec analysis
How the specs grade
Overall performance
within color graphics & photo printers
86% spec coverage
- This printer
Verified specifications
The specs that decide it
| Maximum resolution | 2400 x 1200 DPI |
|---|---|
| Printing colors | Cyan, Magenta, Matte black, Photo black, Yellow |
| Number of print cartridges | 6 |
| Page description languages | PCL 3 |
| Internal memory | 2048 MB |
| Maximum print size | A1 (594 x 841 mm) |
| Media thickness | 0.8 mm |
| Maximum roll diameter | 5.31" (13.5 cm) |
| Ethernet | Yes |
| Power consumption | 120 W |
Specifications
Full technical detail
Max resolution2400 x 1200 DPI
Max print width24"
ColorColor
ConnectivityEthernet (Gigabit LAN), USB
Use caseCAD / Technical
Printing
| Color | Yes |
|---|---|
| Printing colors | Cyan, Magenta, Matte black, Photo black, Yellow |
| Maximum resolution | 2400 x 1200 DPI |
| Print head nozzles | 1056 |
| Number of print cartridges | 6 |
| Page description languages | PCL 3 |
| Print speed (normal quality) | 28 sec/page |
| Print speed (color image, best quality, glossy paper) | 2.8 m2/hr |
| Print speed (color image, draft quality, coated paper) | 37 m2/hr |
Performance
| Internal memory | 2048 MB |
|---|---|
| Built-in processor | Intel® Pentium® M |
| Processor frequency | 800 MHz |
Paper handling
| Media thickness | 0.8 mm |
|---|---|
| Roll top margin | 0.197" (5 mm) |
| Custom media sizes | 210 x 279 – 610 x 1676 mm |
| Maximum print size | A1 (594 x 841 mm) |
| Maximum roll length | 3582.7" (91 m) |
| Maximum print length | 3582.7" (91 m) |
| Maximum roll diameter | 5.31" (13.5 cm) |
| Print margin cut-sheet | 5 x 5 x 5 x 17 |
| Recommended media weight | 60 – 328 g/m² |
| ISO A-series sizes (A0…A9) | A1, A2, A3, A4 |
Ports & interfaces
| USB port | Yes |
|---|---|
| Ethernet LAN | Yes |
| USB connector | USB Type-A |
| RJ-45 ports quantity | 1 |
| USB 2.0 ports quantity | 1 |
| Ethernet interface type | Fast Ethernet |
Weight & dimensions
| Weight | 134.5 lbs (61 kg) |
|---|---|
| Size (imperial) | 24" |
| Dimensions (WxDxH) | 49.7 x 27.5 x 41.3" (1262 x 698 x 1050 mm) |
Power
| Power requirements | 100 – 240 VAC (+/- 10%), 50/60 Hz (+/- 3 Hz), 2 A |
|---|---|
| Power consumption (standby) | 27 W |
| Power consumption (typical) | 120 W |
Operational conditions
| Storage temperature (T-T) | -25 – 55 °C |
|---|---|
| Operating temperature (T-T) | 41 – 104 °F |
Other features
| Functions | |
|---|---|
| Line accuracy | +/- 0.1% |
| Line width minimum | 0.02 mm |
| Roll maximum input | 1 |
| Acoustic pressure emissions | 46 dB |
| Maximum media length (imperial) | 66" |
Packaging data
| Package weight | 154.3 lbs (70 kg) |
|---|---|
| Package dimensions (WxDxH) | 56.7 x 30.3 x 23.6" (1440 x 770 x 600 mm) |
| Package dimensions (W x D x H) | 56.7 x 30.3 x 23.6" |
Sustainability
| Sustainability certificates | ENERGY STAR |
|---|
System requirements
| Compatible operating systems | Windows 7, Windows Vista Home Premium/Business/Ultimate;Windows XP Home/Professional, Mac OS X v10.4, v10.5, v1.06 |
|---|
Everything that fits the HP DesignJet T770
The full supplies hub lists every cartridge, printhead, roll and accessory verified against the manufacturer's own documentation for this machine.
10 ink cartridges · 3 printheads · 53 paper & media items · 4 accessories · 2 coverage plans
HP DesignJet T770 ink and paper →Supplies
Compatible ink, printheads & media
Genuine consumables that fit the HP DesignJet T770 24-in — only the cartridges, printheads and media compatible with this model.
Ink Cartridges 9
HP 72 130-ml Gray Ink Cartridge
HP 72 130-ml Yellow Ink Cartridge
HP 72 130-ml Magenta Ink Cartridge
HP 72 130-ml Cyan Ink Cartridge
HP 72 130-ml Matte Black Ink Cartridge
HP 72 130-ml Photo Black Ink Cartridge
HP 72B 130-ml Matte Black Ink Cartridge
HP 72B 130-ml Gray Ink Cartridge
HP 72B 130-ml Photo Black Ink CartridgePrintheads 3
Paper & Media 16
Representative image11 Mil Water-Resistant Synthetic BannerRepresentative image5 Mil Water-Resistant Self-Adh Vinyl (3" AC)Representative image6 Mil Water-Resistant Self-Adhesive PolypropyleneRepresentative image20LB Inkjet Vellum (772)Representative image18LB Inkjet Bond Paper (Translucent) (750)Representative image28LB Inkjet Coated Matte Paper (748)Representative image46LB Inkjet Coated Matte Paper (747)Representative image6.5mil Matte Coated Paper w/ PSA (746PSA)Representative image24LB Inkjet Coated Matte Paper (745)Representative image20LB High Brite Inkjet Bond Paper (740)Representative image24LB Inkjet Bond Paper (731)Representative image24LB Inkjet Coated Matte Paper Economy (714)
HP C3868A plotter paper 45.7 m 91.4 cm
HP C6036A printing paper Matte White
HP Q1421A photo paper Brown, White
HP CG891A large format media 45 m
Questions
Straight answers
What's the largest sheet the T770 24-in can print?
Its maximum print size is A1 (23″ x 33″), with custom widths up to 24 inches and single sheets up to 66 inches long. For continuous runs the roll supports up to 91 meters.
Does it scan or copy?
No — this is a print-only machine. If you need integrated scanning for as-builts and redlines in the same 24-inch width, the HP DesignJet T830 24-in is the MFP option in the family.
How many ink cartridges does it use, and which inks?
It uses six cartridges across five colors — cyan, magenta, yellow, matte black and photo black — paired with the HP 713 printhead. HP 712 inks are the compatible family.
Is the color good enough for presentation boards?
It carries five inks including a photo black, and HP rates 2.8 m2/hr for color images in best quality on glossy paper. We have no measured gamut data for this model, so for photographic boards test prints on your own paper before committing.
What media weights and thicknesses can it handle?
Recommended media weight is 60 to 328 g/m2, and it accepts media up to 0.031 inch (0.8 mm) thick, covering most bond, coated and heavier presentation stocks.
How does it connect, and is it network-friendly?
It offers Fast Ethernet (RJ-45) and a USB 2.0 Type-A port, with 2 GB of internal memory. That suits a shared drawing-office queue; a memory upgrade accessory is available if you spool large PDF sets.
Ready to put the HP DesignJet T770 to work?
Configuration, media and a quote tailored to your workflow — from AEC plotter specialists.