Epson 7600, 9600 service manual Sdram error, Flash memory SUM error, Boot program SUM error

EPSON Stylus Pro 7600/9600 Revision A

3.2.4.30 SDRAM error (00020002)

†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 check error at power-on.

†Remedy:

•Replace the MAIN Board (C472 MAIN) (p.207).

3.2.4.32 Flash memory SUM error (00020009)

†Explanation:

This error is displayed when the firmware has not been installed in flash memory or when the firmware has not been installed successfully.

†Cause of trouble:

SUM check error for program area.

†Remedy:

•Firmware Reinstallation (p.219)

•Replace the MAIN Board (C472 MAIN) (p.207).

3.2.4.31 BOOT program SUM error (00020003)

†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:

SUM check error for BOOT program area.

†Remedy:

•Firmware Reinstallation (p.219)

•Replace the MAIN Board (C472 MAIN) (p.207).

3.2.4.33 Program load error (0002000A)

†Cause of trouble:

SUM check error for program area on RAM.

†Remedy:

•Firmware Reinstallation (p.219)

•Replace the MAIN Board (C472 MAIN) (p.207).

3.2.4.34 Internal memory shortage error (0002000B)

†Explanation:

This error appears when the cash area is insufficient. There may be a case where the assigned work area varies with the I/F mode and I/F mode setting does not agree or decoding of a command is impossible. Then the work area is consumed up, thus memory runs short. In such a case, this message is displayed and the printer stops operating.

†Cause of trouble: Faulty program.

†Remedy:

•Firmware Reinstallation (p.219)

•Check I/F mode.

•Replace the MAIN Board (C472 MAIN) (p.207).

Troubleshooting Error Display 145