I have found that the Canon printer driver that I recently got from Canon's website, and installed for this older Canon MX 532 (MX 530 series) printer on my MBP M1 Max works fine on basic 8.5"x 11" plane paper, as before with other MBPs, and fairly fast - a page in about 5 seconds. When this printer was new it printed greyscale and various paper and envelope sizes athough in recent years as OSs and Canon drivers 'updated'/changed, the scope of this printer's functions has reduced, likely because of marketing reasons that only Canon knows. I have been printing small coin envelopes (3.5" x 6.5"), black ink only, and the print speed has been excruciatingly slow - 4 minutes for 5 envelopes. Having to print 600 of these is proving to be another horrible printing experience - do the math. It is like it is performing for the highest resolution colour photograph and doing 1/16" passes. I'm wondering if readers can suggest a work-around that will speed up the process, or you can recommend another printer driver.