Choosing a wide-format printer or plotter comes down to what the machine will mostly be used for. A plotter is built for large output; a wide-format office printer is built for everyday pages plus bigger formats. The HP DesignJet T630 is a dedicated large-format plotter, while the HP OfficeJet Pro 7740 is a wide-format office printer with extra functions. Price is the first clear difference: the DesignJet T630 is listed at $1,174.99, and the OfficeJet Pro 7740 is listed at $240.99. That price gap makes sense only if the larger plotter actually fits your workflow.
Quick verdict
Choose the HP DesignJet T630 if oversized output is your main priority. Choose the HP OfficeJet Pro 7740 if you need a single machine for everyday office work plus wide-format printing, and you want to spend much less.
Comparison
| Feature | HP DesignJet T630 | HP OfficeJet Pro 7740 |
| Price | USD 1,174.99 | USD 240.99 |
| Format | 36-inch large-format plotter | Wide-format office printer, A6 to A3 |
| Max resolution | 1200 x 2400 DPI | 4800 x 1200 DPI |
| Memory | 1 GB | 512 MB |
| Built-in functions | Plotter output | Scanner, copier, fax, duplex |
Where each product wins
The HP DesignJet T630 wins when your work is centered on wide-format output and you want a plotter dedicated to that task. It is the stronger match for projects that start as large-format files and need a physical print. The HP OfficeJet Pro 7740 wins when versatility matters more than maximum width, and when a lower buy-in leaves more budget for supplies. It is the easier daily companion for a general office that needs occasional wide pages.
Product notes
HP DesignJet T630 36 In. Large Format Plotter Inkjet Printer
The DesignJet T630 is built around one job: producing large-format prints. Its 36-inch format supports wide output, and the 1200 x 2400 DPI resolution keeps fine lines and small text sharp. The 1 GB memory helps handle big plot files. For a studio, engineering office, or sign shop that needs this kind of output, the plotter is the more direct tool. The main limitation is the investment level required: it costs substantially more than the OfficeJet Pro 7740. If oversized prints are only an occasional need, that money may be better spent elsewhere.
HP OfficeJet Pro 7740 Wide Format All-in-One Printer - White
The OfficeJet Pro 7740 brings more office tasks together. It scans, copies, faxes, and duplexes, with paper sizes from A6 to A3. The 4800 x 1200 DPI resolution supports detailed pages, and black print speed reaches 22 ppm. An RJ-11 phone connection is there for fax lines, and its listed price is far lower than the DesignJet T630's. The limitation is format size: compared with the DesignJet T630, this model is not meant for oversized plotter output. It is the better choice when wide-format printing is one task among many rather than the main job.
Final choice by use case
Choose the HP DesignJet T630 when large-format drawings, plans, or posters are a regular part of your work. It is a purpose-built plotter with the format and memory to handle that kind of output. This is the route for an office that prints wide output often enough to justify a dedicated machine. Choose the HP OfficeJet Pro 7740 when you want one device for everyday office jobs and occasional wide-format prints. The lower price and extra office capabilities make it the more practical starting point for most home offices and small businesses.
