HP Scitex LX850 HP Scitex LX850 & LX820 Printers: Maintenance and troubles - Page 4

Clean the ink deposits ...29 Clean the line sensor and aerosol inlets 30 Clean the main roller ...31 Clean the pinch wheels ...32 Clean the platen ...32 Clean the printheads ...33 Clean the substrate-advance sensor 33 Clean the substrate edge holders 34 Clean the temperature sensors 34 Clean the tension roller (LX850 only 35 Maintain the printhead primers 35 Replace the carriage oiler foams 37 Replace the ink collector foams (LX850 only 38 Replace the line sensor box ...40 Replace the printhead cleaning roll and aerosol filters 41 Move the printer ...45 Preventive maintenance kits ...46 Cleaning kit ...46 5 Software maintenance ...47 Maintain the HP Internal Print Server 47 Update the firmware ...48 Update the IPS ...48 6 Troubleshoot substrate issues 49 The substrate cannot be loaded successfully 49 The substrate has jammed ...49 The substrate is not attached to the input core 50 The core slips on the Spindle (Dual Roll 51 The collector stops winding prematurely (LX850 only 52 The collector occasionally fails to work correctly (LX850 only 52 The collector winds in the wrong direction (LX850 only 52 The collector detaches the substrate from the spindle (LX850 only 52 There is skew or telescoping on the collector (LX850 only 52 The substrate has jammed on the collector (LX850 only 53 The substrate sticks to the platen 53 The ink is still wet when the substrate emerges 53 The substrate is not flat ...53 There are wrinkles in the substrate 54 There are ink marks on the substrate 56 There are drops of ink on the substrate 57 There are drops of oil on the substrate 57 The printed plot is shorter than expected 59 How to achieve better consistency between jobs of the same length 59 iv ENWW