Comparing the Canon GP-4000 VS the Canon PRO-4100 print color quality. Canon you tell which is which? The GP-4000’s fluorescent pink ink makes it quite obvious. The Canon GP-4000 is in stock y’all at Pro Digital Gear! Incredible Logo by Chris Piascik Rollover Thehill Chris made it for my rollerblade channel JADRollerVlog on IG and YouTube.