HP 450c Service Manual - Page 6

4 Service Tests Introduction 4Ć2 PowerĆOn 4Ć2 Self Test and Normal Initialization 4Ć2 Service Tests 4Ć3 Which Service Test to Perform 4Ć3 Service Tests (Diagnostics 4Ć4 Service Mode 1 4Ć6 Stopping a Test 4Ć6 Entering Service Mode 1 4Ć6 Viewing Test Output via the Serial Port 4Ć7 Bail Cycle Test 4Ć8 Front Panel Test 4Ć9 Carriage Axis (YĆaxis) Test 4Ć10 Carriage Test 4Ć12 Sensors Test 4Ć15 MediaĆAxis (XĆAxis) Test 4Ć16 Bench Run 4Ć18 Modular Test 4Ć19 Electronics Test 4Ć21 Service Mode 2 4Ć22 Stopping a Test 4Ć22 Entering Service Mode 2 4Ć22 Bail Test 4Ć23 Electrical Test 4Ć24 Servo/Encoder Test 4Ć25 Service Monitor (Data Display 4Ć26 EEROM Model ID Configuration Procedure 4Ć27 Service Configuration Plot 4Ć29 Printing the Service Configuration Plot 4Ć30 Interpreting the Service Configuration Plot 4Ć30 Clearing the EEROM 4Ć32 5 Service Calibrations Accuracy Calibration 5Ć2 Purpose 5Ć2 What is the EndĆPoint Accuracy Specification 5Ć2 What can Affect the EndĆPoint Accuracy 5Ć2 Before Performing the Accuracy Calibration 5Ć3 Performing the Accuracy Calibration 5Ć3 Adjusting the CarriageĆtoĆMedia Distance 5Ć5 To check the carriageĆtoĆmedia distance 5Ć5 To adjust the carriageĆtoĆmedia distance 5Ć7 iv Contents HP DesignJet 430, 450C and 455CA Printers