HP LaserJet 9040/9050 Service Manual - Page 219

Table 21. Numeric error messages (continued) Control panel message Event-log Description error message Recommended action 22 EMBEDDED I/O 22 BUFFER OVERLOW The printer embedded I/O buffer overflowed during a busy state. 1 To continue printing, press (some data will be lost). 2 Turn off the printer, and then turn the printer on again. 3 See "Embedded LAN troubleshooting (HP LaserJet 9040n/9050n, HP LaserJet 9040dn/9050dn, HP LaserJet 9050mfp, and HP LaserJet 9040mfp only)" on page 247 for more information. 22 PARALLEL I/O 22 BUFFER OVERFLOW For help press alternates with 22 PARALLEL I/O BUFFER OVERFLOW To continue press The printer parallel buffer overflowed during a busy state. 1 To continue printing, press (some data will be lost). 2 Turn off the printer, and then turn the printer on again. 3 Reseat the parallel cable. 4 Replace the parallel cable. 5 Replace the formatter. 22 SERIAL I/O 22 BUFFER OVERFLOW To continue press The printer serial buffer overflowed 1 during a busy state. 2 3 4 5 6 To continue printing, press (some data lost). Turn off the printer, and then turn the printer on again. Reseat the serial cable. Replace the serial cable. Move the EIO card to a different slot. Replace the EIO card. 40 BAD SERIAL 40 TRANSMISSION To continue press A serial data error (parity, framing, 1 or line overrun) occurred while data was being received. 2 3 4 5 6 To continue printing, press (some data will be lost). Turn off the printer, and then turn the printer on again. Reseat the serial cable. Replace the serial cable. Move the EIO card to a different slot. Replace the EIO card. Control-panel messages 203