Epson EPL-6200, Service Manual

Page: 107 / 204

EPSON EPL-6200/EPL-6200L Revision A
Troubleshooting Troubleshooting When There is Error Display 107
3.2 Troubleshooting When There is Error Display
This section describes troubleshooting for errors indicated by error display. After
identifying the error item, refer to the appropriate page for troubleshooting.
This section also describes troubleshooting for faulty operation of the printer.
3.2.1 Fuser warming up problem
†
Any of the following conditions is handled as a fuser warming up problem:
„
At start of warming up, the voltage of the thermistor is kept low over the
predetermined period of time.
„
The temperature detected by the thermistor within a period from 5 seconds
after to 9 seconds after start of warming-up was found below the standard
value over the predetermined period of time. (However, only when the
temperature detected by the thermistor is below 80
°
C.)
„
No temperature rise was detected by the thermistor for more than 3 seconds
within a period from the predetermined period of time after turning on of the
heater lamp to the turning off of the heater lamp.
„
The heater lamp was kept on for more than 30 seconds. (However, except
while the Main Motor is ON)
C H E C K
P O I N T
Refer to “ Flowchart 3-1.Procedure for Troubleshooting
(p.100)
”
first and then follow the troubleshooting procedures described in
Table 3-4 to Table 3-18.
Troubleshooting here should be used only for errors that can not be
cleared even by following the instructions in EPSON Status
Monitor 3.
Table 3-4. Troubleshooting for “Fuser warming up problem”
Step Action and Question Yes No
Parts below can be the source of this error ( Chapter 4 Disassembly and Assembly )
• Thermistor (TH1) (p.153)
• Heater lamp (H1) (p.153)
• Thermostat (TS1) (p.153)
• Fuser Unit (p.152)
• Main Board Assy (C533/C534 Main) (p.146)
• Power Supply Unit (PU1) (p.151)
1
Fuser unit
Replace the fuser unit.
♦
Has the error been cleared?
Go to Step 2 Go to Step 5
2
Thermistor (TH1)
Replace the thermistor.
♦ Has the error been cleared?
Replace the
thermistor.
Go to Step 3
3
Heater lamp (H1)
Replace the heater lamp.
♦ Has the error been cleared?
Replace the
heater lamp.
Go to Step 4
4
Thermostat (TS1)
Replace the thermostat.
♦ Has the error been cleared?
Replace the
thermostat. Replace the
fuser unit.
5
Main Board Assy.
Replace the Main Board Assy.
♦ Has the error been cleared?
Replace the
Main Board
Assy.
Go to Step 6
6
Power supply unit
Replace the power supply unit.
♦ Has the error been cleared?
Replace the
power supply
unit. Go to “3.4.2
Electrical
Noise”
(p.120)