Epson EPL-6200L - Fuser High Temperature Problem; CPU Error; Engine Communication Error

EPSON EPL-6200/EPL-6200L Revision A
Troubleshooting Troubleshooting When There is Error Display 110
3.2.6 Fuser high temperature problem
 The following condition is handled as a fuser high temperature problem:
 During temperature control, the thermistor detected temperature was kept
above 235°C over the predetermined period of time.
3.2.7 CPU Error
3.2.8 Engine Communication Error
This error is in communication between the main control circuit and the engine control
circuit.
Table 3-9. Troubleshooting for “Fuser high temperature 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)
Table 3-10. Troubleshooting for “CPU Error”
Step Action and Question Yes No
Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)
• Main Board Assy (C533/C534 Main) (p.146)
1
Main Board Assy.
1. Replace the Main Board Assy.
♦Does the error still occur?
Go to “3.4.2
Electrical
Noise”
(p.120)
Replace the
Main Board
Assy.
C H E C K
P O I N T
A CPU error can occur depending on the printing data structure
sent from the host/application to the printer. Therefore, perform
operation checks in different operation environments and with
different printing data.
Table 3-11. Troubleshooting for “Engine Communication Error”
Step Action and Question Yes No
Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)
• Main Board Assy (C533/C534 Main) (p.146)
1
Main Board Assy.
1. Replace the Main Board Assy.
♦Does the error still occur?
Go to “3.4.2
Electrical
Noise”
(p.120)
Replace the
Main Board
Assy.