Action
Step 4
POR into the Diagnostics menu and perform a sensor test:
Diagnostics Menu > Base Sensor Test > Narrow Media
Does the sensor state on the control panel display change when it is
toggled?
Step 5
a
Remove the main drive gearbox.
b
Check the gears for wear or damage.
c
Check the main drive motor for rotation.
Are the gears free of wear or damage and does the main drive motor
rotate?
Step 6
Replace the controller board.
Does the error remain?
Printer/cartridge mismatch service check
Action
Step 1
a
Make sure the toner cartridge smart chip contact cable JARW1 is
properly connected to the controller board.
b
Make sure the toner cartridge smart chip contact is free of debris.
c
Check the toner cartridge smart chip contact for damaged pins.
Is it free of damage?
Step 2
Check if the firmware level matches the serial number.
Do they match?
Yes
Go to step 5.
Go to step 6.
Problem is solved.
Yes
Go to step 2.
Replace the controller
board. See
board removal" on
page
Diagnostic information
78
No
Replace the narrow
media/bin full sensor.
See
"Narrow
media/bin full sensor
removal" on page
208.
Replace the main drive
gearbox. See
drive gearbox
removal" on page
147.
Contact the next level
of support.
No
Replace the toner
cartridge smart chip
contact. See
cartridge smart chip
contact removal" on
page
165.
Reflash the firmware.
"Controller
164.
4514-420, -430
"Main
"Toner