2-6 Service Manual XYAA63362.4 CONNECTIONSFigure 2-61. Attach the power cord to either the external (A) orinternal (B) power supply.If the internal power supply is used, the power cordmust have a 90o connector.2. Attach the DC power cord to the related connectorunderneath the printer.3. Attach the serial interface cable to the relatedconnector underneath the printer.Note: Skip step 2 if the printer is equipped with aninternal power supply.