Fuser Low Temperature Problem - Epson EPL-6200 Service Manual

EPSON EPL-6200/EPL-6200L

3.2.9 Fuser low temperature problem

The following condition is handled as a fuser low temperature problem:
During temperature control, the thermistor detected temperature was kept
below the preset temperature over the predetermined period of time
continuously.
The preset temperature is as follows:
In 600 dpi printing mode:
In 1200 dpi printing mode:
In standby mode:
Table 3-12. Troubleshooting for "Fuser low 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?
Troubleshooting
140°C
110°C
70°C
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.
Troubleshooting When There is Error Display
Table 3-12. Troubleshooting for "Fuser low temperature problem" (continued)
Step Action and Question
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?
Revision A
Yes No
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)
111