Printek FormsPro 4300 - Manual (Page 71)

Optional Buffer Expansion
Page D-3
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.