Troubleshooting
Service errors
FS-6700
E4 - Fuser heater error
Table 6. 12 E4 error
Meaning
Suggested causes
Corrective action
The fuser heater is not intact
due to disconnection or the
circuit failure.
• Blown-out thermistor
• Improper connector inser-
tion
• Blown-out halogen heater
• Blown-out thermostat
• Comparator defect on the
engine board
• Defective engine CPU
(input port)
• Defective gate array
(input/output port opera-
tion)
Follow the flow chart on the
next page.
Summary of Contents for Ecosys FS-6700
Page 1: ...Service Manual L A S E R P R I N T E R Ecosys FS 6700 ...
Page 6: ...Conventions Preface vi This page left intentionally blank ...
Page 11: ...B 5 FS 6700 ...
Page 61: ...Troubleshooting Print quality problems 6 42 FS 6700 This page left blank intentionally ...
Page 83: ...Disassembly Disassembly Option paper feeder 5 22 FS 6700 This page left blank intentionally ...
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