HP L25500 manual Paper-Solvent, HP Photorealistic 100, Setting Description If too low If too high

Substrate family	Drying	Curing	Heating	Auto-	Cutter	Substrate	Input	Vacuum
	temp.	temp.	airflow	tracking		-advance	tension	level
						adjust.
Paper-Solvent	50	80	30	Yes	Yes	0	15	15
HP Photorealistic	50	100	30	Yes	Yes	0	15	30

The various settings mentioned above are described below.

Setting	Description	If too low	If too high
Drying temp.	The heat applied in the printing	Print-quality defects such as	Thermal marks may be seen on
	zone removes water and fixes	banding, bleeding and	the substrate; they may appear
	the image to the substrate.	coalescence may occur.	as vertical bands in some colors.
			The substrate may wrinkle on the
			platen, causing vertical banding,
			ink smears or substrate jams.

Curing temp.	Curing is needed to coalesce the
	latex, creating a polymeric film
	which acts as a protective layer,
	while at the same time removing
	the remaining co-solvents from
	the print. Curing is vital to ensure
	the durability of the printed
	images.

The print may emerge not fully polymerized, so that the ink smears when rubbed with a finger. The print may appear wet, after printing or later.

The substrate may wrinkle under the curing module, causing defects such as bubbles or liner detachment. The substrate wrinkles may also cause vertical banding or ink smears at the beginning of the following plot.

Handle the substrate

Heating airflow	Airflow helps to remove the	Print-quality defects such as		The printer may not reach the
	evaporated water from the print	banding, bleeding and		expected temperature in the print
	zone and thus allows more	coalescence may occur.		zone, causing defects such as
	efficient drying.			banding, bleeding and
				coalescence. Poor text and line
				quality may be seen.
Auto-tracking	The substrate-advance sensor	Disable the sensor in the following cases:
	(also known as OMAS) is located	●	The substrate is porous and allows ink to pass through to the
	under the print platen; it can track
	the substrate advance		platen. Clean the sensor after using this substrate.
	automatically.	●	You are instructed to do so by the front panel, because the
			sensor is dirty or unable to track this particular substrate.
Cutter	The printer's built-in cutter can	Disable the cutter in the following cases:
	cut the substrate automatically	●	You want to use the take-up reel.
	between each print.
		●	You want to cut the substrate manually.
		●	The leading edge of the substrate tends to curl and cause
			substrate jams.

Substrate-advance	Your printer was calibrated at the
adjust.	factory to ensure that it advances
	the substrate accurately when
	using supported substrates in
	normal environmental
	conditions. However, you may
	find it useful to adjust the
	substrate advance when printing
	on unsupported substrates or in
	unusual but stable
	environmental conditions.

Dark lines appear when you use up to six passes. Graininess appears when you use eight or more passes.

White lines appear when you use up to six passes. Graininess appears when you use eight or more passes.

34 Chapter 4 Handle the substrate ENWW