HP LaserJet 4100 Service Manual - Page 553

Table 37. Printer messages (continued) Control panel message Explanation Recommended action 54.4 PRINTER ERROR alternates with CYCLE POWER TO CONTINUE A problem exists with the customer's line voltage. 1. Remove the printer from any UPS supplies, additional power supplies, or power strips. 2. Plug the printer into a wall outlet and see if this resolves the problem. 3. If the printer is already plugged into a wall outlet, try another power source in the building that is independent of the one currently being used. 4. The line voltage and current source at the printer location might need to be inspected to ensure that it meets the printer's electrical specifications. 55.xx PRINTER ERROR An internal alternates with communications error CYCLE POWER TO occurred. CONTINUE The page containing the error will automatically be reprinted. 1. Check the power at the customer's location. 2. Replace the formatter and/or firmware DIMM. 4. Replace the engine controller board. 56.X PRINTER ERROR alternates with CYCLE POWER TO CONTINUE An incompatible combination of input/ output bins was selected. X = description: 1 = Illegal input or bad accessory connector 2 - Illegal output The page containing the error will automatically be reprinted. 1. Turn the printer off, and then turn the printer on. 2. Check the printer's configuration. 3. Verify accessory connection. 57.X PRINTER ERROR alternates with CYCLE POWER TO CONTINUE A fan failure was detected. 1. Check the fan's connector and X description: make sure the fan is not blocked. 4 = Printer fan 2. Replace the fan. 7 = Duplex fan 58.2 PRINTER ERROR alternates with CYCLE POWER TO CONTINUE An environmental thermistor (TH3) failure occurred. 1. Turn the printer off, and then turn the printer on. 2. Verify the environmental thermistor cable is securely connected. 3. Replace the environmental thermistor. 4. If the error persists, replace the engine controller board. 214 Troubleshooting EN