canon 3010 and 2900 print vertical faint printing regarding

[kishorpatil]

dear sir, i have inserted new toner in both printer, but in vain, same printing appeared on the paper, please guide me step by step

thanks

[Waddizzle]

You could have a dirty or failing print head.  Your manual should contain basic maintenance proceducres like changing ink/toner cartridges, print head cleaning and/or replacement, clearing paper jams, etc. 

If a head cleaning does not make a difference, then you should have a professional look at it.  It is curious for two printers to develop a similar issue at about the same time.

[kishorpatil]

dear sir,

i am having two printers one is canon imageclass 3010 and canon lbp 2900, both are printing faint one side vertically.

2900 printer left side vertically faint and 3010 printing vertically centre faint print. i have purchased new cartridge but same happening, please give solution, thanks