1534 Adjustments and TestsIntroductionThe printer is a durable, low-maintenance machine, but some componentsand systems require occasional adjustment and may need to be tested aspart of a troubleshooting procedure.You usually will be referred to this chapter by a troubleshooting procedure, oras part of a removal/installation procedure.Adjustments and TestsPreparing the Printer for Maintenance ............................................ page 154Returning the Printer to Normal Operation...................................... page 155Belt, Paper Feed Timing, Adjustment ............................................. page 156Belt, Platen Open, Adjustment ........................................................ page 158Paper Scale Alignment.................................................................... page 160Platen Gap Adjustment ................................................................... page 162Paper Out Adjustment..................................................................... page 164Hammer Phasing Adjustment ......................................................... page 167Loading Flash Memory.................................................................... page 169Reprogramming the Security Key ................................................... page 176Coil Temperature Adjustment ......................................................... page 178Dynamic Paper Tension Adjustment ............................................... page 179Tractor Belt Tension Adjustment ..................................................... page 181Shuttle Electrical Short Check......................................................... page 182Hammer Bank Power Cable Shorts Test ........................................ page 183Cable Shorts Test ........................................................................... page 184Main Wire Harness Test Diagnostic ................................................ page 186Power Supply Operational Check ................................................... page 187
