Integrated Valve
Page ii of iii 5760-107 Operations Manual Rev D
Section 6: Maintenance..................................................................................................................... 37
System Maintenance................................................................................................................ 37
Print Head Maintenance.......................................................................................................... 37
Daily Startup ................................................................................................................37
Shutdowns of Seven Days or Longer ..........................................................................38
Preventative Maintenance at 2000 Hours ....................................................................38
IDS Maintenance..................................................................................................................... 39
Changing Ink Containers .............................................................................................39
Daily Startup ................................................................................................................40
Intermittent (as required) ............................................................................................. 40
Annually ......................................................................................................................40
Ink Regulator Maintenance ..................................................................................................... 41
Section 7: Troubleshooting............................................................................................................... 43
Troubleshooting Notes ............................................................................................................ 43
Ink Delivery System ....................................................................................................43
Print Heads .................................................................................................................. 43
Troubleshooting Tests............................................................................................................. 43
Purge Test .................................................................................................................... 43
Print Test .....................................................................................................................44
Photosensor Test ..........................................................................................................44
Print Head Ink Pressure Test .......................................................................................44
Ink Regulator Input Pressure Test ...............................................................................45
Encoder ........................................................................................................................45
Print Quality Troubleshooting................................................................................................. 46
Diagnosis .....................................................................................................................46
Ink Regulator ...............................................................................................................49
Print Head Pulse Width Adjustment, IV9DOT ...........................................................49
Print Head Pulse Width Adjustment, 18-Dot .............................................................. 50
Cleaning the Front Plate of a Clogged Print Head ...................................................... 50
Broaching the Orifice ..................................................................................................51
Print Head Pre-Load Adjustment ................................................................................51
IV9DOT Print Head Pre-Load Adjustment..................................................... 52
IV 18-Dot Print Head Pre-Load Adjustment................................................... 53
Appendix A: System Specifications ................................................................................................. 55
IV9DOT Print Head ................................................................................................................ 55
Ink Delivery System................................................................................................................ 56
Appendix B: Theory of Operation................................................................................................... 57
Functional Description ............................................................................................................ 57
Print Head Daisy Chain(s)....................................................................................................... 57
Photosensor.............................................................................................................................. 57
Encoder.................................................................................................................................... 58
IV Print Head Theory of Operation .............................................................................59
Ink Delivery System Features ................................................................................................. 60
Startup Operation .........................................................................................................60
Normal Operation ........................................................................................................60
Ink Low Detection .......................................................................................................61
