Symptom Tables
POST Symptom Table
Symptom Action
The main motor, cooling fan, and fuser do not
come on.
p.239 "Cover Interlock Switch Service Check"
POST completes, but the display does not come
on.
p.245 "Operator Panel Service Check"
Main motor does not come on.
p.242 "Main Motor Service Check"
Fan does not come on. p.239 "Cooling Fan Service Check"
Fuser does not cycle. p.240 "Fuser Service Check"
Fuser does not turn on and off. p.240 "Fuser Service Check"
The paper feed picks and tries to feed media. p.247 "Paper Feed Service Checks"
• Investigate any displayed codes before proceeding with these symptoms. For example, a missing
toner cartridge will prevent POST from completing.
Printer Symptom Table
Symptom Action
Touchscreen displays upside down Replace the display keypad.
Fan noisy or fan not working. p.239 "Cooling Fan Service Check"
Fuser parts melted. p.242 "LVPS/HVPS Service Check"
Toner not fused to the media.
p.240 "Fuser Service Check" or see “Solving
print quality problems” in “Troubleshooting”.
Paper jams. p.247 "Paper Feed Service Checks"
Main motor noisy or not moving. p.242 "Main Motor Service Check"
Media skew. p.247 "Paper Feed Service Checks"
Symptom Tables
193
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