4-10 Phaser 3300MFP Service ManualGeneral TroubleshootingPrinting Problems (Malfunction)Defective Operation (LCD WINDOW) DisplayStrange characters are displayed on the Control Panel and buttons are notoperated.Defective LCD OperationDefective LCD Operation.Fuser Gear not functioning due to meltingThe Motor breaks away from its place due to gear melting away.Paper EmptyThe paper empty status on the Control Panel is displayed even when paper isloaded in the tray.Check and Cause Solution1. Clear the memory. 1. Try again after clearing the memory.2. Check if OPE HARNESS is connectedto the Connection Board correctly.2. After confirming that OPE HARNESS isconnected to the Connection Boardcorrectly, if it is so, then replace the OPEAssembly and Control Board insequence.Check and Cause Solution1. Clear the memory. 1. The key is wrong itself or wronglyassembled.2. Listen for a click when pressing a keyon the Control Panel.2. Even after the key has been replaced, itis still wrong, try replacing the ControlPanel Assembly, then the Control Boardin sequence.Check and Cause Solution1. Check the Heat Lamp. 1. Replace the Fuser.2. Replace the Control Board.3. Replace the SMPS.Check and Cause Solution1. Bending or deformation of the actuatorof the paper sensor.1. Replace the defective actuator.2. Replace the Control Board.
