Table of Contents
5
Loading Flash Memory .................................................................................................................................................... 238
Loading Through The Serial Or Parallel Port ............................................................................................................ 239
Loading Through the Network Interface Card (NIC) ................................................................................................. 248
Reprogramming the Security Key.................................................................................................................................... 250
Shuttle Electrical Shorts Test........................................................................................................................................... 252
Hammer Bank Power Cable Shorts Test......................................................................................................................... 253
Cable Shorts Test............................................................................................................................................................ 254
Main Wire Harness Test Diagnostic ................................................................................................................................ 256
Power Supply Operational Check.................................................................................................................................... 258
3 Locations ..................................................................................................................262
Locations Of Components And Assemblies .................................................................................................................... 262
4 Circuit Diagrams, Circuit Boards, Cables, and Switches ..........................................264
Contents .......................................................................................................................................................................... 264
5 Removals and Adjustments ......................................................................................311
About This Chapter.......................................................................................................................................................... 311
Tools And Materials .................................................................................................................................................. 311
Preparing The Printer For Maintenance.................................................................................................................... 313
Restoring The Printer To Operation .......................................................................................................................... 314
Removal And Replacement Procedures.......................................................................................................................... 315
List Of Procedures .................................................................................................................................................... 315
Belt, Paper Feed Timing ........................................................................................................................................... 317
Belt, Platen Open ...................................................................................................................................................... 318
Circuit Board: PSA3 Controller.................................................................................................................................. 319
Circuit Board: Power Supply ..................................................................................................................................... 321
Circuit Breaker .......................................................................................................................................................... 322
Connector Shells....................................................................................................................................................... 323
Cover Assembly, Hammer Bank / Ribbon Mask ....................................................................................................... 325
Cover Assembly, Shuttle........................................................................................................................................... 326