HP — HP Designjet scanners 820 4500 4520 HD T1100 T1120 T1200 service manual (EN)

Table of contents 1 Troubleshooting Troubleshooting tips ............................................................................................................................. 1 Is the problem with the Printer or the Scanner? ................................................................................... 1 Image-quality problems ........................................................................................................................ 2 Output problems ...................................................................................................................................

2 Troubleshooting System Error Codes .................................................................................................. 2 Using the SCANtest 6 Diagnostic Software ......................................................................................... 2 Troubleshooting Issues ........................................................................................................................ 6 Troubleshooting print-quality and copy issues ..................................................................................... 7 Troubleshooting general scanner issues ............................................................................................

10 Troubleshooting Specific Scanner Issues .......................................................................................... 18 Cleaning the Scanning Area ............................................................................................................... 20 Troubleshooting Specific Panel PC Problems .................................................................................... 23 Preventive Maintenance Kit for HP Designjet Scanners .................................................................... 29 2 System Error Codes System Error Codes for the Scanner Only .........................................................................................

31 Error Codes for the JetImage Software RIP ....................................................................................... 39 Error Messages for the Touch Screen ............................................................................................... 45 3 Parts and Diagrams Copier Stand & Touch Screen ............................................................................................................ 50 Copier Covers ....................................................................................................................................

52 Top Assemblies .................................................................................................................................. 53 Inside Guide Plate .............................................................................................................................. 54 Drive Assemblies ................................................................................................................................ 55 Camera Components and Fan ...........................................................................................................

56 Electronic Boards ............................................................................................................................... 57 Panel PC ............................................................................................................................................ 57 Panel PC Cabinet Components (Part 1) ............................................................................................ 58 Panel PC Cabinet Components (Part 2) ............................................................................................

60 Miscellaneous items ........................................................................................................................... 61 4 Removal and Installation Introduction ......................................................................................................................................... 64 Safety Precautions ............................................................................................................................. 64 Electrostatic Discharge (ESD) Precautions ........................................................................................ 65 ENWW vii