Laser printers provide excellent print output on paper in both black and white and full color. Laser printers use a fairly complicated printing process that techs should understand. This video details the processes and components for techs to maintain and service all sorts of laser printers.
in old tech are terms like paperless office. … I remember, I'm serious, kids, in the mid-1980s … where people were talking about how paper is going away, … and it's just a matter of time. … Well, ha! … I can't tell you how much money I've made fixing printers … in those 30-some-odd years. … So, in this episode, I want to talk about probably … This is what we call a photosensitive drum, … and this is the cornerstone of all laser printers. … You see, the idea behind laser printing is … that you can use a laser to hit … that little photosensitive drum. … Now, that photosensitive drum can hold an electrical charge, … a static charge, but the more light it sees, … the less of a charge at that particular spot it can hold. … Using that technology, we can do some amazing stuff. … So, let's talk about the laser imaging process. … So, this is my photosensitive drum, … that green thing you just saw. … Well, virtually everything that has to do … with laser printing happens on this drum. … So, what we start off with is what we call processing. …
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