HP Deskjet 840 InkJet Printer "printing horizontal colour strips" Questions

...printing I have been using HP840c printer for pretty long time. Recently I found on my print outs at two places i get horizontal white streaks which mars the nice printout. It happens in colour as ...

Hi, I have a Canon MG5370 and recently stripes of lighter shades colour appeared and they ran horizontally across the colour printout. What is the cause of this? How do I fix it? Thanks. I have done ...

...horizontal lines across paper that are either blank (no ink) or skipping/sliding looking blurring and distorting the text in that spot. This has been going on for a month. Changing cargtriges has not ...

...printing is done. 3. Is it necessary that 'cartridges' light should be ON at the front (while power is on), on this one is not ON ? 1. Is your roll loaded "upside down" ie feeding from the back. ...

My phaser 6180 color printer, toner not adhering to paper my phaser 6180 color printer, the toner is not adhering to paper well and I just noticed that there are horizontal lines on the paper as well.

...horizontal band appears on the page. This happends regardless of colur being printed. I printed a test page containing vertical columns of each colur and the band is present across all colours. I ...

...printing. The self-test should at least print out a set of either black or color bars, if not both (if you have a printer with both color and black installed simultaneously.) Should this test fail, ...