HP LaserJet 5p/mp Service Manual - Page 128

HP LaserJet 5P/5MP, 6P/6MP Printer Service Supplement New Product Features The IR test tool can be used with any IrDA-compliant primary or secondary device, regardless of manufacturer. IR Diodes Test Connect Pass LB Peripheral Computer Test Test switches Test Modes PCL Printer PostScript Printer Energy Detect Test Frame Figure 11 Infrared Test Tool To test the peripheral device: 1. Put the printer in Ready Mode. 2. Press the "Peripheral Test" button on the test tool. The LEDs on the test tool will sequence. If the "PASS" LED lights, the test was successful, indicating that communication with the printer's IR port is functioning normally. On HP LaserJet printers, a self-test page will be initiated by the test. If the "TEST" LED goes out and the "PASS" LED fails to light, the printer's IR port is not functioning correctly; check the operator's instructions included with the IR test tool. 25