With the rise of the digital photography revolution, everyone has bought a brand-new negative free camera, and photo printers are on the rise. Our idea is that you can get the same film printing as before, but the media of these printers always costs a lot of money, so consumers will leave soon.
Now, this situation occurs in second-hand stores, which is the reason why [Amen] bought Canon selfie 740. It didn’t work. The investigation found that a particularly small plastic gear had failed. Most people will throw the printer into the garbage can, but they choose to CNC process a new gear. You don’t have to deal with such a small job every day, so this will become an interesting story.
Although the first reaction may be to get the CAD package, Amen wrote a script to create the original gcode. Use a 0.2 mm drill bit to grind to the required profile for machining. The result: a gear makes the printer work again. This is a dye sublimation printer, which leaves a negative image in the ink cartridge, and only needs to rewind the ink cartridge slightly for negative printing. For those who may eventually own their SELPHY, there is also a post about using cheaper after-sales cartridges.