Media size mismatch service check
Action Yes No
Step 1
Check the input tray for damage.
Is it free of damage?
Go to step 2. Replace the input tray.
Step 2
a Make sure the trailing edge sensor is free of debris.
b Check it for damage.
Is it free of damage?
Go to step 3. Replace the trailing
edge sensor. See
“Trailing edge sensor
removal” on page
196.
Step 3
a Make sure the input sensor is free of debris.
b Check the input sensor for damage.
Is it free of damage?
Go to step 4. Replace the input
sensor. See “Duplex
sensor and input
sensor removal” on
page 193.
Step 4
Check the narrow media/bin full sensor for damage.
Is it free of damage?
Go to step 5. Replace the narrow
media/bin full sensor.
See “Narrow
media/bin full sensor
removal” on page
207.
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?
Go to step 6. Replace the main drive
gearbox. See “Main
drive gearbox
removal” on page
145.
Step 6
Replace the controller board.
Does the error remain?
Problem is solved. Contact the next level
of support.
Printer/cartridge mismatch service check
Action Yes No
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?
Go to step 2. Replace the toner
cartridge smart chip
contact. See “Toner
cartridge smart chip
contact removal” on
page 164.
4514-220, -230
Diagnostic information
88
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