Clean the pinch wheels ...................................................................................................................... 24
Clean the platen ................................................................................................................................. 24
Clean the printheads .......................................................................................................................... 25
Clean the substrate-advance sensor .................................................................................................. 25
Clean the substrate edge holders ...................................................................................................... 26
Clean the temperature sensors .......................................................................................................... 26
Clean the tension roller ...................................................................................................................... 27
Maintain the printhead primers ........................................................................................................... 27
Replace the carriage oiler foams ........................................................................................................ 29
Replace the ink collector foams ......................................................................................................... 30
Replace the line sensor box ............................................................................................................... 32
Replace the printhead cleaning roll and aerosol filters ....................................................................... 32
Move the printer ................................................................................................................................. 36
Printer maintenance kits ..................................................................................................................... 37
Cleaning kit ......................................................................................................................................... 37
5 Software maintenance .................................................................................................................................. 38
Maintain the HP Internal Print Server ................................................................................................. 38
Update the firmware ........................................................................................................................... 39
6 Troubleshoot substrate issues .................................................................................................................... 40
The substrate cannot be loaded successfully .................................................................................... 40
The substrate has jammed ................................................................................................................. 40
The substrate is not attached to the input core .................................................................................. 41
The collector stops winding prematurely (LX800 only) ....................................................................... 42
The collector occasionally fails to work correctly (LX800 only) .......................................................... 42
The collector winds in the wrong direction (LX800 only) .................................................................... 43
The collector detaches the substrate from the spindle (LX800 only) ................................................. 43
There is skew or telescoping on the collector (LX800 only) ............................................................... 43
The substrate has jammed on the collector (LX800 only) .................................................................. 43
The substrate sticks to the platen ....................................................................................................... 43
The ink is still wet when the substrate emerges ................................................................................. 43
The substrate is not flat ...................................................................................................................... 44
There are wrinkles in the substrate .................................................................................................... 44
There are ink marks on the substrate ................................................................................................. 46
There are drops of ink on the substrate ............................................................................................. 47
There are drops of oil on the substrate .............................................................................................. 47
7 Troubleshoot print-quality issues ............................................................................................................... 49
General advice ................................................................................................................................... 49
Banding .............................................................................................................................................. 49
Straight white lines in one color .......................................................................................................... 52
Colors are misaligned ......................................................................................................................... 52
The print is grainy ............................................................................................................................... 54
The print is smudged .......................................................................................................................... 55
Edges of objects are rough or blurred ................................................................................................ 56
iv ENWW