HP 3500 Service Manual - Page 366

Table 7-3. Numerical printer messages (continued) Message Description Action 54.XX PRINTER ERROR A printer command error has occurred. NOTE Some messages are displayed in the event log and some are displayed on both the control panel and in the event log, as identified below. XX Description: (Event log only messages) 01 - humidity environmental sensor error 05 - media sensor error 06 - Dmax density sensor out of range 11 - yellow density sensor error 12 - magenta density sensor error 13 - cyan density sensor error 14 - black density sensor error 15 - yellow CPR sensor error 16 - magenta CPR sensor error 17 - cyan CPR sensor error 18 - black CPR sensor error 20 - CPR sensor error (Control panel and event log message) 21 - yellow toner remaining sensor error 22 - magenta toner remaining sensor error 23 - cyan toner remaining sensor error 24 - black toner remaining sensor error 31 - Media sensor calibration failure (Event log only message) 32 - Media sensor is not calibrated (event log only) 1. Turn the printer off and then back on. 2. For the specific error messages, perform the indicated action: 54.01 - Environment Sensor Abnormality 1. The connector in the environment detection signal line is not properly connected. Reseat the DC controller PCB connector J1015. 2. Defective environment sensor, replace the environment sensor. 3. Defective DC controller PCB, replace the DC controller PCB. 54.05 - Media sensor error 1. Perform the steps for error 54.32, below. 2. Replace the media sensor. 3. Replace the DC controller. 54.06 54.11 54.12 54.13 54.14 1. Perform a Calibrate Now procedure. 2. The DC controller is defective, replace the DC controller PCB. 342 Chapter 7 Troubleshooting ENWW