PRINTERS Flashcards
Laser Printers A+ 1001
Ready
Advantages
High quality , Fast
Cons
Very complex lots of things can break, Has memory inside to store print job, Messy.
Imaging Drum
A photo sensitive drum Painted by laser
Fuser assembly process
Heat and pressure melt toner and fix it to page.
Colors
cyan, yellow, magenta, black
Pickup Rollers
Pick up paper single page at time
Maintenance
Periodically replace pick up rollers
Seperate pad
Picks up single page from top of paper tray
Duplex assembly
Print on both sides
Step 1
Processing: Data and pages are sent into memory of printer, Entire page must be setup in memory
Step 2
Charging: Photosensitive drum is charged by primary charging roller
Step 3
Exposing: Laser writes out image
Step 4
Developing: Toner sticks to areas neutralized by laser
Step 5
Transfer: Transfer roller moves from toner onto paper passing by with pressure
Step 6
Fusing: Heat and pressure melt toner to paper
Step 7
Cleaning: Toner cleaned off of photosentive drum
Laser printer Maintenance
Ready
Toner
Replacing toner cartridge and OPC Drum
Calibration
Print test page and calibrate printer
Cleaning
Manufacture has recommendations, avoid normal vacum cleaner
INK JET PRINTERS
READY
Pro
Inexpensive, Quiet, High res
Cons
Ink expensive, Ink fades, Clogs easily