C.2. RS-232C/RS-422A Interface
C-5
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.
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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
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The following instructions are intended for the technician only.
Notes on Handling the Main Circuit Board
Protect the electronics by taking these precautions:
❒
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.
Withdrawing the Main Circuit Board from the Printer
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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
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