EPSON Stylus Pro 4400/4450/4800/4880/4880C
Revision C
Troubleshooting
Troubleshooting Based on Panel Messages
192
SERVICE REQ. 00020000
Error meaning:
NVRAM error
Explanation
There may be a case where the parameter data in NVRAM is broken. In
such a case, this message is displayed and the printer stops operating.
Cause of trouble
NVRAM erase error
Write error (Check in 2 bytes)
Remedy
Replace the
SERVICE REQ. 00020002
Error meaning:
SDRAM error
Explanation
In memory check of SDRAM executed at power on, there may be a case
where a bit error is detected. In such a case, this message is displayed and
the printer stops operating.
Cause of trouble
SDRAM Read/Write error
Remedy
Replace the
SERVICE REQ. 00020003
Error meaning:
BOOT program SUM error
Explanation
There may be a case where the boot program of firmware is broken. In
such a case, this message is displayed and the printer stops operating.
(Only at power on)
Cause of trouble
Faulty installation
Defective flash memory
Remedy
1.
2.
Replace the
SERVICE REQ. 00020009
Error meaning:
Flash memory SUM error
Cause of trouble
Firmware has not been installed in flash memory.
Flash memory is faulty.
Remedy
1.
2.
Replace the
Summary of Contents for Stylus Pro 4800 Portrait Edition
Page 9: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 113: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 156: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 200: ...C H A P T E R 4 DISASSEMBLY ASSEMBLY ...
Page 366: ...C H A P T E R 5 ADJUSTMENT ...
Page 448: ...C H A P T E R 6 MAINTENANCE ...
Page 457: ...C H A P T E R 7 APPENDIX ...