HP LaserJet 5p/mp Service Manual - Page 176

HP LaserJet 5P/5MP, 6P/6MP Printer Service Supplement Troubleshooting Infrared Port Not Responding Situation Solution The connection cannot be established or Make sure the device you are using is IrDA-compliant; look the transmission seems to be taking longer for an IrDA symbol on the device or refer to the manual for than usual. the device for IrDA specifications. Make sure that the operating system on your computer includes an IR driver and your application uses a HP LaserJet 5P/5MP, 6P/6MP compatible printer driver. Make sure you have positioned the device within the range of operation and that no objects, such as a finger, paper, books, or bright light, are interfering with the connection. Also make sure the two IR ports are clean (free from dirt and grease). Bright light of any kind (sunlight, incandescent light, fluorescent light, or light from an infrared remote control, such as those used for TVs and VCRs) shining directly into one of the IR ports may cause interference. The printer prints only part of a page or document. The print job has been properly sent to the printer, but the printer will not print. The IR status light turns off during transmission. Position the device closer to the IR port on the printer. The connection has been broken during transmission. If you move the portable device during transmission, the connection can be broken. IrDA-compliant devices are designed to recover from temporary connection interruptions. Re-establish the connection (depending on the device you are using, you can have anywhere from 3 to 40 seconds to re-establish the connection). If the connection is broken before the entire print job has been transmitted to the printer (printing has not yet started), the printer may not print any of the job. If the Data light is on, press the RESET/JOB CANCEL button to clear the printer's memory. Then, position the device within the range of operation, and print the job again. The connection may have been broken. If the Data light is on, press the RESET/JOB CANCEL button to clear the printer's memory. Then, position the device within the range of operation, and print the job again. Using the Infrared Test Tool A special infrared troubleshooting test tool manufactured by Genoa Technology, Inc. in cooperation with Hewlett-Packard is available through HP Direct Ordering (part number 5062-4461). Refer to the discussion beginning on page 22 for more information. 73