You may not believe this

[Fabphoto]

When I bought a Pro-100 2 years ago I put my 6520 aside and have not touched it
since. It had the color carts refilled with gray and I used it as a dedicated B&W printer.

Tonight I wanted a B&W print with no color cast in incandescent light so I hooked up the 6520 ,
ran a nozzle check, and printed several B&W s . No problem.

 

[astecno]

Wow, that is absolutely impressive! Compare this to my Pro 3800 which can not be left off even for a week without getting a dozen nozzles clogged.

 

[Ink stained Fingers]

what inks are you using in the 6520 -dye inks ?

 

[PeterBJ]

I guess the 6520 is a Canon Pixma iX6520 using the PGI-225 Pigment black and CLI-226 CMYK dye cartridges? Two years without activity and without clogging and with refill inks is really impressive, it must be a record but I would not recommend attempting to break this record.

 

[Ink stained Fingers]

or an HP 6520 Photosmart ?

 

[Fabphoto]

This is the Pixma ix 6520 with three color carts and two blacks. Only the color carts were refilled using the
"three gray set" sold by Precision Colors several years ago.