HP 7550 manual From previous

Problem

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Printing is very slow.

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Possible cause	Solution
You may have	Windows PC
chosen 4800x1200	1	On the Quality tab of the printer
Optimized dpi.		Properties dialog box, set the Print
		Quality to Best and set the Paper Type
		to Photo Paper. Under High Resolution
		Control, select PhotoREt instead of
		4800x1200 Optimized dpi.
	2	Try printing again.
	Macintosh
	1	On the Paper Type/Quality panel,
		deselect High Resolution Photo.
	2	Try printing again.
You may be using a	Try the following:
USB hub and other	• Connect the USB cable directly from
USB devices are in		the computer to the USB port on the
use.		back of the printer; do not use a hub.
	• Avoid using other devices attached to
		a hub while printing.
The Paper Type	When the paper type is set to Automatic,
option may be set	the printer scans the paper to determine
to Automatic.	the appropriate paper type. This may take
	a few extra seconds. To avoid this, select
	a specific paper type before printing.
	Windows PC
	• Select the appropriate paper type on
		the Quality tab of the printer Properties
		dialog box.
	Macintosh
	• Select the appropriate paper type on
		the Paper Type/Quality panel of the
		Print dialog box.
You may be	Replace the missing print cartridge with a
printing in Reserve	new one.
Mode. The printer
enters Reserve
Mode when one of
the print cartridges
is missing.

troubleshooting: printer problems 37