Epson Stylus Pro 7400 Service Manual page 200

EPSON Stylus Pro 7400/7800/9400/9800
SERVICE CALL 00020003
Description
Boot program sum error
Explanation
The printer causes this error and stops operation when it detects that the boot
program of the firmware is corrupted. This error occurs only when turning the
power ON.
Possible Causes
Failed to install the program.
Flash ROM failure
SDRAM failure
The address/data bus on the Main Board is broken or its contact is poor.
Remedy
1. Installing Firmware (p.371)
2. Replace the BOARD ASSY., MAIN (p.232).
SERVICE CALL 0002000A
Description
Program load error
Explanation
A sum check error on the program area of the RAM
Possible Causes
Malfunction of the program
SDRAM failure
The address/data bus on the Main Board is broken or its contact is poor.
Remedy
1. Installing Firmware (p.371)
2. Replace the BOARD ASSY., MAIN (p.232).
Troubleshooting
SERVICE CALL 0002000B
Description
The internal memory is insufficient.
Explanation
This error occurs when the cache area is judged as insufficient. The cache
insufficient condition is likely to be caused by using the work area of the memory
with unmatched interface mode settings or invalid commands. The printer stops
operation when the error occurs.
Possible Causes
Malfunction of the program
Remedy
1. Check the interface mode setting
2. Installing Firmware (p.371)
3. Replace the BOARD ASSY., MAIN (p.232).
SERVICE CALL 0DXXXXXX
Description
An error code for debugging
Possible Causes
Board failure
SDRAM failure
Cold soldering of the Flash ROM, ASIC, or CPU.
Malfunction of the program
Failed to generate commands for the printer
Remedy
1. Installing Firmware (p.371)
2. Replace the BOARD ASSY., MAIN (p.232).
Troubleshooting based on Panel Messages
Revision B
200