Causes: Fuser Temperature does not reach 50 oC within 120 seconds after turning on.
Remedy: Error clearance 1 Have you cleared the fuser error in the Special Operation Mode? Yes Wait until the Fuser Unit is enough cooled down. Then select the Special Operation Mode and clear the concerning error. Wires 2 Are wires among Lamp (H1), Solid State Relay (SSR1) and Thermistors (TH1 & TH2) connected properly? No Connect them properly. Lamp (H1) 3 Unplug the machine, and then check the resistance of Lamp (H1) with the multimeter. Is it 15k ohm or lower? No Replace the Lamp. Thermistors (TH1 & TH2) 4 Select the Information Mode, and then check the temperature of fuser detected by Thermistors (TH1 & TH2). Item No. : 00 (Fuser temperature 1) 01 (Fuser temperature 2) Is each temperature normal? No Replace the concerning Thermistor. DC Power Supply (DCP1) or Fuse 5 Confirm that the machine is turned on, and then check the voltage of the orange line (J220-4, 220-5, 220-6). Is it 24V? No Replace the DC Power Supply if there is no problem with the wires.Confirm that the machine is turned off, and then check whether or not each Fuse is broken. Is any Fuse broken? Yes Replace the Fuse. Relay (RY1) 6 Select the Operation Check Mode, and then change the signal of the following signal to “H”. Device Code : 22 (Fuser Relay) And check the resistance between the following points. Between RY1-2 and RY1-4 Between RY1-6 and RY1-8 Is the each resistance almost 0 ohm? No Replace the Relay. Solid State Relay (SSR1) 7 Select the Operation Check Mode, and then change the signal of the following signals to “H”. Device Code : 22 (Fuser Relay) 21 (Fuser Lamp 1) Then check the voltage between J600 and J601. Is it 0V? CAUTION: Change the signal of “21” (Fuser Lamp 1) to “L” after checking! Yes Replace the Solid State Relay No Replace the PW11720 PCB.
Code: E-0001
Description: Fuser Over Temperature Error
Causes: Fuser Temperature reaches over 200 oC.
Remedy: Error clearance 1 Have you cleared the fuser error in the Special Operation Mode? Yes Wait until the Fuser Unit is enough cooled down. Then select the Special Operation Mode and clear the concerning error. Wires 2 Are wires among Lamp (H1), Solid State Relay (SSR1) and Thermistors (TH1 & TH2) connected properly? No Connect them properly. Solid State Relay (SSR1) 3 Does the error occur again even if you have cleared it in the Special Operation Mode? Yes Replace the Solid State Relay. Thermistors (TH1 & TH2) 4 Select the Information Mode, and then check the temperature of fuser detected by Thermistors (TH1 & TH2). Item No. : 00 (Fuser temperature 1) 01 (Fuser temperature 2) Is each temperature normal? No Replace the concerning Thermistor.
Code: E-0002
Description: Fuser Low Temperature Error
Causes: 1. Fuser Temperature at the time of turning on was 50 to 100 oC, but it does not rise up to 120 oC within 150 seconds after that. 2. Fuser Temperature at the time of turning on was higher than 100 oC, but it does not rise up to the setting temperature within 270 seconds after that.
Remedy: Error clearance 1 Have you cleared the fuser error in the Special Operation Mode? Yes Wait until the Fuser Unit is enough cooled down. Then select the Special Operation Mode and clear the concerning error. Wires 2 Are wires among Lamp (H1), Solid State Relay (SSR1) and Thermistors (TH1 & TH2) connected properly? No Connect them properly. Lamp (H1) 3 Unplug the machine, and then check the resistance of Lamp (H1) with the multimeter. Is it 15k ohm or lower? No Replace the Lamp. Thermistors (TH1 & TH2) 4 Select the Information Mode, and then check the temperature of fuser detected by Thermistors (TH1 & TH2). Item No. : 00 (Fuser temperature 1) 01 (Fuser temperature 2) Is each temperature normal? No Replace the concerning Thermistor. DC Power Supply (DCP1) or Fuse 5 Confirm that the machine is turned on, and then check the voltage of the orange line (J220-4, 220-5, 220-6). Is it 24V? No Replace the DC Power Supply if there is no problem with the wires.Confirm that the machine is turned off, and then check whether or not each Fuse is broken. Is any Fuse broken? Yes Replace the Fuse. Relay (RY1) 6 Select the Operation Check Mode, and then change the signal of the following signal to “H”. Device Code : 22 (Fuser Relay) And check the resistance between the following points. Between RY1-2 and RY1-4 Between RY1-6 and RY1-8 Is the each resistance almost 0 ohm? No Replace the Relay. Solid State Relay (SSR1) 7 Select the Operation Check Mode, and then change the signal of the following signals to “H”. Device Code : 22 (Fuser Relay) 21 (Fuser Lamp 1) Then check the voltage between J600 and J601. Is it 0V? CAUTION: Change the signal of “21” (Fuser Lamp 1) to “L” after checking! Yes Replace the Solid State Relay No Replace the PW11720 PCB.
Code: E-0003
Description: Fuser Temperature Abnormal Fall Error
Causes: The difference of temperature between center and side of fuser becomes 50 oC or more.
Remedy: Error clearance 1 Have you cleared the fuser error in the Special Operation Mode? Yes Wait until the Fuser Unit is enough cooled down. Then select the Special Operation Mode and clear the concerning error. Wires 2 Are wires among Lamp (H1), Solid State Relay (SSR1) and Thermistors (TH1 & TH2) connected properly? No Connect them properly. Thermistors (TH1 & TH2) 3 Select the Information Mode, and then check the temperature of fuser detected by Thermistors (TH1 & TH2). Item No. : 00 (Fuser temperature 1) 01 (Fuser temperature 2) Is each temperature normal? No Replace the concerning Thermistor.
Code: E-0004
Description: Fuser Temperature Abnormal Fall Error
Causes: The Lamp of fuser lights (Signal HEAT1 is “H”) to heat up the Fuser Roller in the ready condition, but even 1 oC of temperature rise can not be accomplished within 30 seconds.
Remedy: Error clearance 1 Have you cleared the fuser error in the Special Operation Mode? Yes Wait until the Fuser Unit is enough cooled down. Then select the Special Operation Mode and clear the concerning error. Wires 2 Are wires among Lamp (H1), Solid State Relay (SSR1) and Thermistors (TH1 & TH2) connected properly? No Connect them properly. Lamp (H1) 3 Unplug the machine, and then check the resistance of Lamp (H1) with the multimeter. Is it 15k ohm or lower? No Replace the Lamp. Thermistors (TH1 & TH2) 4 Select the Information Mode, and then check the temperature of fuser detected by Thermistors (TH1 & TH2). Item No. : 00 (Fuser temperature 1) 01 (Fuser temperature 2) Is each temperature normal? No Replace the concerning Thermistor. DC Power Supply (DCP1) or Fuse 5 Confirm that the machine is turned on, and then check the voltage of the orange line (J220-4, 220-5, 220-6). Is it 24V? No Replace the DC Power Supply if there is no problem with the wires.Confirm that the machine is turned off, and then check whether or not each Fuse is broken. Is any Fuse broken? Yes Replace the Fuse. Relay (RY1) 6 Select the Operation Check Mode, and then change the signal of the following signal to “H”. Device Code : 22 (Fuser Relay) And check the resistance between the following points. Between RY1-2 and RY1-4 Between RY1-6 and RY1-8 Is the each resistance almost 0 ohm? No Replace the Relay. Solid State Relay (SSR1) 7 Select the Operation Check Mode, and then change the signal of the following signals to “H”. Device Code : 22 (Fuser Relay) 21 (Fuser Lamp 1) Then check the voltage between J600 and J601. Is it 0V? CAUTION: Change the signal of “21” (Fuser Lamp 1) to “L” after checking! Yes Replace the Solid State Relay No Replace the PW11720 PCB.
Code: E-0005
Description: Fuse Error
Causes: Fuse (F1) is broken.
Remedy: Wires 1 Is the wire between the Fuse and PW11720 PCB connected properly? No Connect it properly. DC Power Supply (DCP1) or Fuse 2 Confirm that the machine is turned OFF, and then check the Fuse. Is it OK? No Replace the Fuse with a new one. 3 Confirm that the machine is turned on, and then check the voltage of the orange line (J220-5). Is it 24V? No Replace the DC Power Supply if there is no problem with the wires.