Error Message Function - Epson DFX-8000 Service Manual

Troubleshooting

Error Message Function

Error indication
Symptoms
Carriage Error
(Total 18 times)
I X 5 times Abnormal Voitage
II X 6 times CPU HAM Abnormality
(Total 12 times)
II X 8 times
(Total 16 times) Abnormality
II X 10 times Upper Address FIAM
(Total 20 times) Abnormality
I X 10 or 11 times Print Head Driver
Abnormality
II X 16 times
Short Circuited
Head Fan Driver
(Total 32 times)
Paper Error
I X 3 times
(Abnormal Paper Feed)
5-2
Table 5-l. Error Messages
Cause
Carriage motor failure
Home position sensor failure
Carriage lock (PG abnormality; parallelism
inclination)
Timing beit tension too loose
Carriage driver blown (Ddver board)
Gate array E05A38NA problem (Main board)
Power supply board failure
CPU failure (Main board)
4C SRAM failure (Main board)
Head driver IC shorted or open (Driver board)
Gate array E05A38NA problem (Main board)
Head fan drhre transistor failure
(Driver board)
Tractor select mechanism failure
Paper end sensor failure
Paper feed motor failure
Ribbon feed motor failure
PF motor driver failure (Driver board)
RF motor driver failure (Driver board)