Table 26. Troubleshooting copy processor board LEDs Note If the CPB failure persists after all attempts to troubleshoot the problem, replace the CPB. Hint The LED patterns displayed by the HP LaserJet 9000mfp are opposite those displayed by the HP LaserJet 4100/4101mfp because the CPBs are mounted differently. 204 Chapter 7 Troubleshooting C8523-90921 LED pattern (HP LaserJet 9000mfp only) Control panel display MFP functionality Action 1 1 1 1 0 0 0 1 0 1 0 0 1 1 0 1 1 1 0 1* *Flashing READY Print - yes Copy - yes Send - yes Normal, ready state and the CPB is functioning properly. No troubleshooting is necessary.
1 1 1 1 0 0 0 1 0 1 0 0 1 1 0 1 0 1 0 1* *Flashing CHECK CABLES AND CYCLE POWER Select OK, then attempt to: Print - yes Copy - no Send - no 1. Verify that the high-speed copy connect cable is fully seated at both ends. 2. Turn the MFP power off, and then back on again. 3. Replace the high-speed copy connect cable. 1 1 1 1 0 0 0 1 0 1 0 0 CHECK CABLES AND CYCLE POWER Select OK, then attempt to: Print - yes Copy - no Send - no 1. Verify that the high-speed copy connect cable is fully seated at both ends. 2. Turn the MFP power off, and then back on again. 3. Replace the high-speed copy connect cable. 1 1 1 1* *Flashing CHECK CABLES AND CYCLE POWER Select OK, then attempt to:
Print - yes Copy - no Send - no 1. Reseat the firmware DIMM. 2. Turn the MFP power off, and then back on again. 1 1 1 1* *Dimly lit CHECK CABLES AND CYCLE POWER Select OK, then attempt to: Print - yes Copy - no Send - no 1. Redownload the firmware, 2. Replace the firmware DIMM. 1 1 1 1 CHECK CABLES AND CYCLE POWER Select OK, then attempt to: Print - yes Copy - no Send - no 1. Reseat the memory DIMM. 2. Verify that the DIMM is 32 MB. 3. Replace the memory DIMM. 0 0 0 0 CHECK CABLES AND CYCLE POWER Select OK, then attempt to: Print - yes Copy - no Send - no 1. Reseat the CPB. 2. Turn the MFP power off, and then back on again.
1 1 1 1 0 0 0 1 0 1 0 0 CHECK COPY CONNECT CARD Select OK, then attempt to: Print - yes Copy - no Send - no 1. Reseat the copy connect card. 2. Turn the MFP power off, and then back on again.