A SERVICE OF

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<Cause>
An error occurred during the writing to the
EEPROM. Checksum error (at soft power ON).
<Suspect Part>
Control board
<Cause>
Error at DRAM check (at hard power ON).
<Suspect Part>
Control board
Internal Error
<Cause>
No-ink indication is given while there is still ink.
External noise (light) has affected the ink sensor.
<Suspect Part>
Control board, ink sensor, ink tank
Part 2: Troubleshooting
S600
2-12
Orange/
green
9 toggle
blinks
Orange/
lights
6800 EEPROM error
--- RAM error
No
indications
--- Ink sensor error