Fuser High Temperature Problem; Cpu Error; Engine Communication Error - Epson EPL-6200 Service Manual

EPSON EPL-6200/EPL-6200L

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.
Table 3-9. Troubleshooting for "Fuser high temperature problem"
Step Action and Question
Parts below can be the source of this error
• 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)
Fuser unit
1
Replace the fuser unit.
♦
Has the error been cleared?
Thermistor (TH1)
2
Replace the thermistor.
♦ Has the error been cleared?
Heater lamp (H1)
3
Replace the heater lamp.
♦ Has the error been cleared?
Thermostat (TS1)
4
Replace the thermostat.
♦
Has the error been cleared?
Main Board Assy.
5
Replace the Main Board Assy.
♦
Has the error been cleared?
Power supply unit
6
Replace the power supply unit.
♦
Has the error been cleared?
Troubleshooting
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)
Troubleshooting When There is Error Display

3.2.7 CPU Error

Table 3-10. Troubleshooting for "CPU Error"
Step Action and Question
Parts below can be the source of this error
• Main Board Assy (C533/C534 Main) (p.146)
Main Board Assy.
1 1. Replace the Main Board Assy.
♦ Does the error still occur?
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.

3.2.8 Engine Communication Error

This error is in communication between the main control circuit and the engine control
circuit.
Table 3-11. Troubleshooting for "Engine Communication Error"
Step Action and Question
Parts below can be the source of this error
• Main Board Assy (C533/C534 Main) (p.146)
Main Board Assy.
1. Replace the Main Board Assy.
1
♦
Does the error still occur?
Revision A
Yes No
(Chapter 4 Disassembly and Assembly)
Go to "3.4.2
Replace the
Electrical
Main Board
Noise"
Assy.
(p.120)
Yes No
(Chapter 4 Disassembly and Assembly)
Go to "3.4.2
Replace the
Electrical
Main Board
Noise"
Assy.
(p.120)
110