Lexmark M3150

Action Yes No
Step 8
Check the cartridge gearbox cable for damage.
Is it free of damage?
Replace the
controller board. See
“Controller board
removals” on
page 247.
Replace the
cartridge gearbox.
See
“Cartridge
gearbox removal”
on page 238.
171 errors
171 error messages
Error code Description Action
171.03 Fuser fan error. Go to
“Cooling fan service check” on
page 146.
171.04 Fuser fan error.
171.05 Fuser fan error.
171.06 Fuser fan error.
171.07 Fuser fan error.
Cooling fan service check
Action Yes No
Step 1
a Make sure that the cable JFAN1 is properly connected to the
controller board.
b Check if the cooling fan is rotating properly.
Is it rotating properly?
Go to step 2. Replace the cooling
fan. See
“Cooling
fan removals” on
page 243.
Step 2
a Turn o the printer, and disconnect JFAN1 from the controller
board.
b Turn on the printer, and measure the voltage across JFAN1.
Is the voltage approximately 24 V?
Go to step 3. Replace the
controller board. See
“Controller board
removals” on
page 247.
Step 3
Is the fan idle?
Replace the cooling
fan. See
“Cooling
fan removals” on
page 243.
The problem is
solved.
4514-6xx
Diagnostics and troubleshooting
146