Table 7-6. Numerical Printer Messages (continued) Control Panel Message Event Log Message Explanation Recommended Action 22 PARALLEL I/O BUFFER OVERFLOW alternates with PRESS GO TO CONTINUE Too much data was sent to the parallel port. This error can occur if the driver you are using is not IEEE-1284 compliant. For best results, use an HP driver that came with the printer. Check for a loose cable connection and be sure to use a high-quality cable. (Some non-HP parallel cables might be missing pin connections, or might otherwise not conform to the IEEE-1284 specification.) Press [Go] to clear the error message.
(Data will be lost.) 22 SERIAL I/O BUFFER OVERFLOW alternates with PRESS GO TO CONTINUE Too much data was sent to the serial port. 1. Make sure the correct serial pacing option is selected from the I/O Menu in the printer’s Control Panel. 2. Print a Menu Map and verify that the serial pacing item (from the I/O Menu in the printer’s Control Panel) matches the setting on the computer. 3. Press [Go] to clear the error message. (Data will be lost.) 7-32 Troubleshooting