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C-9
Appendix C
Host Computer Interface
RS-422A interface
The serial interface of this printer was set to RS-232C mode before leaving the factory. However,
by changing the jumper connector on the main circuit board, the interface can be changed to
RS-422A mode.
In RS-232C mode, the printer can be connected to a personal computer
(or similar device) equipped with an RS-232C serial interface. (The serial interface is set to
RS-232C before leaving the factory.)
In RS-422A mode, the printer can be connected to a personal computer
(or similar device) equipped with an RS-422A serial interface.
Note
The changing of the main circuit board jumper connector should be carried out only by a Kyocera
authorized dealer or Kyocera certified technician. Kyocera shall not be liable for damage due to
improper changing of this main circuit board jumper connector.
Removing the Main Circuit Board
Note
The following instructions are intended for the technician only.
Note on Handling the Main Circuit Board
Protect the electronics by taking these precations:
• Before touching the main circuit board, touch a water pipe or other large metal object to
discharge yourself of static electricity. While doing the work, it is recommended that you wear
an antistatic wrist strap.
• Touch the main circuit board only by the edge.