HEWLETT-PACKARD T790 InkJet Plotter Printer "hp printers cleaning modes" Questions

I have an hp business jet 2300, when printing the black is okay but all colours are very faded. cartridges are okay and printheads have been cleaned. any ideas? try to give print in diffrent mode like

...path "remove roll from sheet path ".Even if no roll is placed how to replace pelt plotter hp t790 clean sheet feed sensor by clean cloth then goto service menu in setup mode click last ...

Printout If the Issue Persist : Open Control panel and Printers and Faxes Folder Right click on HP printer icon and Click on Printing Preferences. Check the Quality is set to Draft mode or Normal mode

...HP where they wanted me to send the printer into a service centre for a ridiculous cost, I tried troubleshooting myself and seemed to fix this error 51.23. The solution was to put the printer in ...

HP T1100 paper load incorrect Check: 1. Was its sensing the paper while loading the media?(roll or sheet) 2. Perform 'service test for sensors' to know how media sensor is working.. if its fails clean

...HP recommends cleaning the paper path by using HP Toolbox. Clean the paper path 1. Use the (LEFT ARROW) or the (RIGHT ARROW) button to select Service, and then press (SELECT). 2. Use the (LEFT ARROW) ...

...hp psc 2410 photosmart all-in-one prints horizontal lines like stripes through my colour images. wen i print text its ok but printing pictures always ends with stripes. i need help pls and thank you. ...

...HP recommends cleaning the paper path by using HP Toolbox. Clean the paper path 1. Use the (LEFT ARROW) or the (RIGHT ARROW) button to select Service, and then press (SELECT). 2. Use the (LEFT ARROW) ...

...HP inks. When the cartridge prints gray instead of sharp black it means the ink well is clogged. Yes, that can happen on a new cartridge. Sometimes it happens when they put too much ink in the ...

cleaning print heads on a HP R45. Have tried the 'clean' mode on the printer, but some heads are still blocked. Any solutions? hI You need to replace both cartridges even if these you are new