C.2. RS-232C/RS-422A Interface

*Withdrawing the Main Circuit Board from the Printer

Be sure to remove the memory card first if inserted in the printer’s memory card slot.

Withdraw the main circuit board completely from the printer as follows:

1. Turn the printer’s power off. Unplug the printer’s power cable and disconnect the printer from the host computer.

2. Remove the three screws from the printer’s rear cover.

Power OFF (ö)

3. Pull the main circuit board all the way out *of the printer.

Before pulling the main board out, clean an area on the table, etc., at the back of the printer’s rear panel. For- eign objects, accidentally sticking to the back of the main board, can cause serious damage to the printer.

Jumper Connector

Changing the Jumper Connector

1. Carefully remove the jumper connector from the main circuit board, and recon- nect to the pin position shown in the dia- gram.

Jumper Connector

2.After completion of the above, return the main circuit board to the printer by reversing the procedure followed when removing it.

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Kyocera FS-3700 manual Withdrawing the Main Circuit Board from the Printer, Changing the Jumper Connector