Jim Strangways try this: 1. Open the printer as though you were going to install new ink cartridges, letting the cartridge cradle move to the center of the printing unit. Unplug the printer so that the cartridges will remain in their position. 2 Locate the waste ink absorbers in their black - Canon Printer
How to take apart Canon Pixma MG5520 printer - Disassemble
How To Clean Canon Printer Ink Absorbers
Taking Apart Canon MG6620 Printer
How to Clean the HP DeskJet 3524 Printhead - iFixit Repair Guide
How Replace Ink Pad in Canon G series Printer error 5B00
SOLVED: need to replace ink absorber pads - Canon Printer - iFixit
How to Clean a Canon Ink Absorber
MFC-J4410DW Ink Absorber Box Replacement - iFixit Repair Guide
Taking Apart Canon Pixma MX870 For Parts or Repair MX860 Disassembly
Open and Clean Canon Pixma IX6550 Printer : 5 Steps - Instructables
Remove the cleaning station. - iFixit Repair Guide
Remove the cleaning station. - iFixit Repair Guide