Remedy: Toner Hopper 1 Is there enough toner in the Toner Hopper? No Add toner to Toner Hopper. Toner Supply Motor (M3) 2 Turn on the machine and check the action of Toner Supply Motor at that time. Does Toner Supply Motor operate correctly in both cases? No 1. Check if there is any problem with the wires among Toner Supply Motor, Driver PCB B and PW11720 PCB. 2. Replace the Toner Supply Motor if there is no problem with the wire. Toner Sensor (TLS1) 3 Confirm that the Toner Sensor is not buried in the toner. Then check the status of Toner Sensor in the Input/Output Mode of the Service Mode. I/O Signal Code : 107 (Toner Sensor) Is the status “H” when the Toner Sensor is covered with the toner? And is it “L” when the sensor is not covered? No Replace the Toner Sensor. Yes Replace the PW11720 PCB.
Code: n04
Description: Roll Empty
Causes:
Remedy: Mis-feed of paper 1 Is there a paper anywhere in the machine? Yes Open the Exit Cover and the Engine Unit, and then remove the paper. (Cut the paper manually if it has not been cut yet.) Switch (MS5) 2 Check the status of the following signal in the Signal Status Mode of the Service Mode. Signal Code : 009 (Roll Deck Open) Is the status “L” when the Roll Deck is closed? And is it “H” when the Roll Deck is opened? No 1. Check if there is any problem with the wire connected to the Switch (MS5). 2. Replace the Switch (MS5) if there is no problem with the wire.