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What Is a Printer Driver? (And Do You Still Need One?)
What Is a Printer Driver? (And Do You Still Need One?)
August 24, 2026 —
Quick answer: A printer driver is the translator between your computer and your printer. Your application produces a page; the driver converts it into the command language the printer actually unde...
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How Does an Inkjet Printer Work? Thermal vs. Piezo Printheads Explained
How Does an Inkjet Printer Work? Thermal vs. Piezo Printheads Explained
October 8, 2026 —
Quick answer: an inkjet printer builds a page from millions of microscopic ink droplets. A printhead with hundreds or thousands of tiny nozzles slides back and forth across the paper on a carriage,...
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What Ink Does the Brother MFC-440CN Use?
What Ink Does the Brother MFC-440CN Use?
October 17, 2026 —
Quick answer: The Brother MFC-440CN uses four separate LC51 cartridges: black, cyan, magenta and yellow. There's no high-yield LC51, so the standard cartridge is the one to buy. Castle Ink stocks r...
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What Toner Does the HP LaserJet Pro MFP M428fdw Use?
What Toner Does the HP LaserJet Pro MFP M428fdw Use?
August 2, 2026 —
Quick answer: The HP LaserJet Pro MFP M428fdw uses HP 58A (CF258A) (~3,000 pages) or HP 58X (CF258X) high-yield (~10,000 pages) black toner cartridges. They are the same cartridge in two capacities...
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What Ink Does the Canon PIXMA MG2520 Use?
What Ink Does the Canon PIXMA MG2520 Use?
May 23, 2026 —
Correction: an earlier version of this article listed PG-240/CL-241 cartridges. The PIXMA MG2520 uses the PG-243/245 and CL-244/246 family. PG-240/CL-241 will not fit.
Quick answer: what ink does t...
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What Ink Does the HP Photosmart D110 Use?
What Ink Does the HP Photosmart D110 Use?
October 14, 2026 —
Quick answer: The HP Photosmart e-All-in-One D110 (model D110a) uses two HP 60 cartridges: one black and one tri-color. The high-yield HP 60XL versions fit too. Castle Ink stocks remanufactured 60X...
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What Ink Does the HP Envy 5535 Use?
What Ink Does the HP Envy 5535 Use?
May 23, 2026 —
The HP Envy 5535 uses HP 61 black and HP 61 tri-color ink cartridges, and also takes higher-yield HP 61XL cartridges. In July 2026 HP replaced the 61XL pair with a new HP 61 High Yield Black (about...
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What Ink Does the HP ENVY 5661 Use?
What Ink Does the HP ENVY 5661 Use?
October 14, 2026 —
Quick answer: The HP ENVY 5661 e-All-in-One uses two HP 62 cartridges: one black and one tri-color. The high-yield HP 62XL versions fit too. Castle Ink stocks remanufactured 62XL Black, 62XL Tri-co...
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October 8, 2026 — Quick answer: an inkjet printer builds a page from millions of microscopic ink droplets. A printhead with hundreds or thousands of tiny nozzles slides back and forth across the paper on a carriage,...