HP L25500 manual Substrate at the beginning

Setting	Description	If too low	If too high
Input tension	Tension is applied to the	The substrate skews and may	The substrate may be
	substrate from the input spindle.	become increasingly wrinkled in	permanently deformed or
	It needs to be constant over the	the printing zone. Also, substrate	damaged. Substrate advance
	full width of the substrate, thus	advance may be irregular,	problems may appear in extreme
	substrate load is a critical	resulting in horizontal banding.	cases.
	operation.
Vacuum level	The vacuum applied to the	The substrate may lift up off the	For sticky substrates, friction
	substrate at the printing zone	platen and touch the printheads.	could be too high and substrate
	helps to hold the substrate down	This can smear the printed	advance irregular, resulting in
	on the print platen, keeping the	image, cause a substrate jam or	horizontal banding or irregular
	distance to the printheads	even damage the printheads.	grainy patches.
	constant.

Here are some more advanced settings, which you are not recommended to change, unless you have problems that you cannot resolve any other way.

Substrate family	Warm-up drying	Warm-up curing	Cool-down	Cool-down	Minimum drying
	temperature	temperature	drying	curing	power
	offset	offset	temperature	temperature
			offset	offset
Self-adhesive vinyl	10	0	0	0	0.7
Banner	10	0	0	0	0.7
Film	5	0	0	0	0.7
Fabric	5	0	0	0	0.7
Mesh	10	0	0	0	0.7
Paper-Aqueous	5	0	0	0	0
Paper-Solvent	10	0	0	0	0.7
HP Photorealistic	10	0	0	0	0

The various settings mentioned above are described below.

Setting	Description	If too low	If too high
Warm-up drying	The temperature that the	Bleeding or coalescence may	A longer time to start printing is
temperature offset	substrate in the print zone must	appear in the first 200-300 mm of	required. Vertical banding or ink
	reach before printing starts.	the print.	smears may occur.
Warm-up curing	The temperature that the	The beginning of the print is not	Substrate degradation (bubbles,
temperature offset	substrate in the curing zone must	fully dry, or looks oily.	adhesive detachment) at the
	reach before printing starts.		beginning of the print.
Cool-down drying	The safe temperature at which	A long time is needed to finish the	The substrate at the beginning of
temperature offset	the substrate can be under the	print.	the next print may be damaged,
	drying module without being		because it has stopped moving
	damaged. At the end of a job, the		under too high a temperature.
	substrate is not stopped until this		This case is uncommon.
	temperature is reached.

Handle the substrate

ENWW Add a new substrate type 35