Instruction manual
Optional Buffer Expansion 
5.  Move the shorting plug at J6 from its location on pins 2 & 3 to pins 1 & 2 (pin 1 
is toward the front of the printer). 
6.  Reinstall the lid and screws. 
7.  Turn the printer on. If the installation was performed incorrectly, “MP: Bad 
RAM Chip” will be displayed on the LCD display. If this error occurs, inspect 
the IC for any bent pins and inspect the shorting plug for proper installation. 
8.  Indicate on the Installed Options label on the rear of the printer that the buffer 
expansion has been installed. 
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