This isn't a Windows issue. It refers to a sponge like pad in the printer that absorbs excess ink when the nozzles are cleaned.
It's explained in some detail here -
Fix Canon Printer Ink Absorber Issues: Easy 5B02 Error Solutions
It may be possible to clean or rep[lace the pads if you're handy and search for instructions. If it's an older printer it may not be cost effective to fix.