Genicom MatrixPrinter LA36 User Manual
Install the control board (ROM board) in reverse order of removal.
For LA36W printers, be sure to install the grounding metal strip in place. This strip establishes grounding
connection between the control board and the power supply.
When replacing the ROM, use socket IC1 for an EPROM (program) and socket IC3 for a mask ROM (CG) .
The ROM must be mounted with their cut mark oriented inside.
Whenever the ROM is replaced, initialize the ROM and re-adjust the vertical alignment and the top-of-form line.
(Sections 4.9.2 (2) and (3)).
Mask ROM (CG) : IC3
EP ROM (program) : IC1