Troubleshooting When There Is Error Display; Fuser Warming Up Problem - Epson EPL-6200 Service Manual

EPSON EPL-6200/EPL-6200L

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.
Refer to "Flowchart 3-1.Procedure for Troubleshooting
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.

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)
Troubleshooting
Step
Parts below can be the source of this error
"
(p.100)
Fuser unit
1
Thermistor (TH1)
2
Heater lamp (H1)
3
Thermostat (TS1)
4
Main Board Assy.
5
Power supply unit
6
Troubleshooting When There is Error Display
Table 3-4. Troubleshooting for "Fuser warming up problem"
Action and Question
• 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)
Replace the fuser unit.
♦
Has the error been cleared?
Replace the thermistor.
♦
Has the error been cleared?
Replace the heater lamp.
♦
Has the error been cleared?
Replace the thermostat.
♦ Has the error been cleared?
Replace the Main Board Assy.
♦ Has the error been cleared?
Replace the power supply unit.
♦
Has the error been cleared?
Revision A
Yes No
(Chapter 4 Disassembly and Assembly)
Go to Step 2 Go to Step 5
Replace the
Go to Step 3
thermistor.
Replace the
Go to Step 4
heater lamp.
Replace the Replace the
thermostat. fuser unit.
Replace the
Main Board Go to Step 6
Assy.
Replace the Go to "3.4.2
power supply Electrical
unit. Noise" (p.120)
107