How to Remove a 2840 Toner Cartridge Without Power On?

Answer The normal procedure for changing the toner cartridges in the HP color LaserJet 2840 printer is to simply use the carousel rotate button to choose the color cartridge you need. But if the printer i... Read More »

Top Q&A For: How to Remove a 2840 Toner Cartridge Without Po...

How to Change the Toner for a HP Color Laserjet 2840?

Color laserjet printers like the HP Color Laserjet 2840 provide superior quality output compared to inkjet printers, but only if the toner cartridges are cleaned, maintained and changed on a regula... Read More »

Why do I get "Low Toner" message after installing a new toner cartridge?

I suspect that the toner cartridge, being a non-OEM cartridge, was either a remanufactured cartridge and not reset correctly when done or the printer is not recognizing it correctly. You might try ... Read More »

How do I Refill an HP 35A Toner Cartridge?

The HP 35A is a model of black toner cartridge produced by Hewlett Packard for use in their line of home desktop printers. If the ink in your current cartridge has run out, you can refill it with s... Read More »

How do I put back together my TN 420 toner cartridge?

Typically peoply don't take apart their toner cartridges as they can be quite messy & tricky to put back together correctly & without damaging anything.That metal strip may be a metering blade that... Read More »