Toner is low
Remove, shake, and reinsert cartridge
What do you do if the toner isn't being fused to paper?
Replace fuser unit if not heating
Paper jam from multiple paper types in the same tray
Use one type
Queue: There are print driver issues.
Download and reinstall
Unable to install: Network and Sharing (not enabled)
Enable Network and Sharing
Incorrect paper
Change stock (make sure it's for the right type of printer too)
Incorrect paper chosen in printer settings
Change properties to correct paper type
Paper jam from paper guides being too tight/loose
Readjust to proper alignment
Low memory: There are multiple large complex print jobs at the same time
Run one print job at a time
Firewall or Anti-virus causing issues
Clogged inkjet heads
Clean print heads with print software
Debris in path of paper
Look for obstructions and paper jams
Touch onboard control panel to wake printer
Won't print: Printer is not AirPrint compatible
Use a printer compatible for AirPrint and corresponding "i" devices
Wrong colors: Software problem, what do you run?
Run print test page or print from other program to see what happens
Dirty toner cartridge head
Clean with activated toner cloth
Incorrectly loaded paper: Do not load a paper tray above this
Do not load above maximum mark
Garbled characters due to an OS problem
Check OS manufacturer for patch/hotfix
Low memory: Memory not sufficient
Upgrade printer memory if you can
Replace, if not
No image on display: Printer needs reset, how do you do this?
Power off, remove cord for 10 seconds and replace, power on
Ghost: Fuser rollers have a toner build up
Run cleaning utility software
Clean rollers with rubbing alcohol and soft cloth
Paper not feeding correctly because paper feed roller belt is worn/damaged
Replace
Vertical lines on page due to low toner or ink
Remove, shake, and reinsert
Remove, reinstall, verify credentials are saved
Blank pages: What do you do if transfer roller has no voltage, laser scanner cable is faulty, or no developing bias?
Halfway test