A:AnswerHi Print, The WorkForce Pro WF-7840 is not designed for sublimation ink. You should use only Epson T812, T812XL high-capacity, and T821XXL Extra high-capacity cartridges. Other brands or types of ink supplies are not compatible and, if described as compatible, may not function properly or continuously. Regards, Mark - The Epson Team.
A:AnswerHello Brendargle. The WF-7840 is designed to use T812 Epson ink cartridges. These inks are Aqueous Pigment-Based. Regards, Kevin - The Epson Team.
A:AnswerHi, Yes you can change the default folder on your computer where scans from the WorkForce Pro WF-7840 are saved. Visit the Epson support site for the WF-7840 to see videos, FAQs and user's guides for details. Regards, Mark - The Epson Team.
A:AnswerHi CAH70W. Yes, the Epson WF-7840 includes four ink cartridges (Cyan, Magenta, Yellow, and Black) for the initial setup only. Most of this ink is used to charge the ink delivery system, and the rest will be available for printing. Regards, Kevin - The Epson Team.
A:AnswerHi Jazz, Sorry the WorkForce Pro WF-7840 and Epson printers in general cannot print on different size sheets in the same print job. Regards, Mark - The Epson Team.
A:AnswerHi Chris, Yes, the WorkForce Pro WF-7840 can print on envelopes. There is a preset for No. 10 envelopes. For other sizes you must create a user preset. This is a one-time operation. Regards, Mark - The Epson Team.
A:AnswerPrinter is OK but not good if you can't purchase the ink, and the price of Epson ink is rediculus. I should have looked into the cost and availability before I purchased this printer.
A:AnswerHello Unlocktab. We recommend visiting the FAQ section for your WF-7840 on our official Epson Support page. We have an illustrated breakdown of replacing a new ink cartridge under the "How do I replace the ink cartridges?" section. Regards, Kevin - The Epson Team.
A:AnswerHello 5270. When loading envelopes into the WF-7840, make sure you press each envelope flat or load one envelope at a time. When you are ready to print, you can turn on the Thick Paper setting from the control panel or select "Thick Paper and Envelopes" in the Extended Settings of the printer software on your computer. Regards, Kevin - The Epson Team.
A:AnswerHello Pink0521. Yes, the WF-7840 is compatible with computers running the MAC OS 10.6.x - 11.x.x operating systems. If you need more information, visit the official Epson Support website. Regards, Kevin - The Epson Team.
A:Answer"Easiest way is to tell the printer you’re using smaller paper."
Doing this generates an error condition to the effect that 'Document paper size does not match cassette paper size" and then every thing just stops. Pretty frustrating.
A:AnswerHi Erzebet. The dimensions of the Epson WorkForce Pro WF-7840 is 20.3" x 38.4" x 20.5" when printing and 20.3" x 17.7" x 13.8" when stored. Regards, Bobby - The Epson Team.
A:AnswerHi MikeL, Yes, The WF-7840 is compatible with OS X 11.2.2. Be sure to download the latest drivers from the Epson support site. Printer, scanner, and FAX drivers, and several utilities are available. Regards, Mark - The Epson Team.
A:AnswerHi Diane, Compatibility depends on which version Windows OS your Dell is running. If it is a recent version of Windows, then the WorkForce Pro WF-7840 will work. You can download drivers for Windows XP and later on the Epson support site. Regards, Mark - The Epson Team.
