WILLETT 430 - Page 4

Contents
Issue 2
iii
Part No. 306-0430-102
Ink System..........................................................................................................................................................80
General ...........................................................................................................................................................80
Solenoid Valves..............................................................................................................................................81
V1 Solvent Top-up Valve (located at the solvent top-up reservoir) ............................................................81
V2 Ink Top-up Valve (located at the ink reservoir)......................................................................................81
V3 VMS Diverter Valve (located on the FMS ink system) ..........................................................................81
V6 Feed Valve (located on the FMS ink system)........................................................................................81
V7 Flush Valve (located on the FMS ink system) .......................................................................................81
V8 Gutter Valve (located on the FMS ink system)......................................................................................82
V11 Jet Valve (located in the printhead).....................................................................................................82
V12 Bleed Valve (located in the printhead) ................................................................................................82
Top Up and Ink Reservoirs.............................................................................................................................82
Ink System Filters ...........................................................................................................................................82
Main System Filter (located inside the filter compartment).........................................................................82
Pre Pump Filter (located inside the filter compartment) .............................................................................83
Pre Head Filter (located below the FMS printhead connection manifold) ..................................................83
Nozzle Filter (located behind the nozzle in the printhead)..........................................................................83
Flush Filter (located near flush pump) ........................................................................................................83
VMS Filter (located inside FMS top box) ....................................................................................................83
Fluid Management System (FMS)..................................................................................................................84
Viscosity Monitoring System (VMS) Chamber (located inside the FMS top box).......................................84
Venturi (Jet Pump) (located inside the FMS top box) .................................................................................85
Pressure Transducer (located on the FMS connect manifold) ...................................................................85
Ink System Pump (located in the base of the machine) .............................................................................85
Flush Pump (located close to the FMS)......................................................................................................85
Printhead Operation ...........................................................................................................................................86
Ink Jet Information ..........................................................................................................................................86
Droplet Charging ............................................................................................................................................86
Droplet Deflection ...........................................................................................................................................87
Ink System Operation.........................................................................................................................................88
Function ..........................................................................................................................................................88
Operation........................................................................................................................................................88
Viscosity Monitoring System Sequence .........................................................................................................89
Clean Start Jet Sequence...............................................................................................................................91
Quick Start Jet Sequence...............................................................................................................................93
Clean Stop Jet Sequence...............................................................................................................................94
Quick Stop Jet Sequence ...............................................................................................................................96
Nozzle Flush ...................................................................................................................................................96
Ink Addition to Mixer Tank ..............................................................................................................................97
Top Up Addition to Mixer Tank .......................................................................................................................98
SYSTEM SOFTWARE...........................................................................................................................................99
Introduction.........................................................................................................................................................99
Using the Menus.............................................................................................................................................99
Messages Menu ...............................................................................................................................................100
Editor Menu ......................................................................................................................................................101
User Fields Menu .............................................................................................................................................101
Print Menu ........................................................................................................................................................102
Password Menu................................................................................................................................................102
System Menu ...................................................................................................................................................103
Configure Menu................................................................................................................................................105
Calibrate Menu .................................................................................................................................................106
Data Logging Menu ..........................................................................................................................................108
DISASSEMBLY AND ASSEMBLY.....................................................................................................................109
Introduction.......................................................................................................................................................109