Troubleshooting
4 AP-74700 – Rev. 1.0 – 10/03/2008
3 TROUBLESHOOTING WITHOUT ERROR CODE......................................................35
3.1 PARAMETER & PRINTING RELATED ISSUES .................................................................35
3.1.1 Parameters are not being saved during shutdown...........................................35
3.1.2 Unstable machine behaviour (CPU errors, machine crashes) .........................35
3.1.3 Printer doesn’t start printing, interrupts or intermittently stops during printing..36
3.1.4 Ink drops falling on media from heads during printing......................................37
3.2 PRINTING RELATED PROBLEMS ..................................................................................38
3.2.1 Complete nozzle-row (A or B-channel) is missing............................................38
3.2.2 Head is firing continuously ...............................................................................39
3.3 INITIAL MACHINE STARTUP-RELATED PROBLEMS ..........................................................40
3.3.1 Ink and cleaning compatibility-Chart ................................................................40
3.3.2 Only applicable 65” – 90” machines.................................................................42
3.4 PUMP INK AND CLEANING SUCTION PROBLEMS.............................................................42
3.4.1 The machine is completely dead – non responding.........................................43
3.4.2 Mainboard replacement procedure ..................................................................44
3.4.3 Media Feed – Distance adjustment basic principles ........................................44
3.4.3.1 Mechanical toleration: ...................................................................................44
3.4.3.2 Media toleration ............................................................................................45
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