HP Pro 4300 C9H70UT C9H70UT#ABA manual Skew Possible cause Recommended actions

Table 64. Skew

	Possible cause	Recommended action(s)
	The media does not meet specifications	1. Turn over the stack of media in the tray. Also try rotating the
	or is not stored properly.	media 180 degrees.
		2. Check the media for type and quality. Replace the media,
		and advise the customer to use the HP recommended
		media and to store it correctly. See “Paper specifications” on
		page 9.
	The media is not loaded properly or the	● Make sure that the media is loaded properly and that the
	trays are not adjusted correctly.	guides fit correctly against the stack.
	The registration assembly is not	● Make sure that the registration assembly is installed correctly. If
	installed correctly or is damaged.	necessary, replace the registration assembly. See “Registration
		assembly” on page 198.
Table 65. Curl or wave
	Possible cause	Recommended action(s)
	The media does not meet specifications	1. Turn over the stack of media in the tray. Also try rotating the
	or is not stored properly.	media 180 degrees.
		2. Check the media for type and quality. Replace the media,
		and advise the customer to use the HP recommended
		media and to store it correctly. See “Paper specifications” on
		page 9.
	The printer’s operating environment	● Make sure the printer is installed in the proper environment.
	does not meet specifications.	See “Environmental specifications” on page 7.
	Wrong output bin.	● Print to a different output bin (top or rear output bin).
	Wrong fuser setting for the media type.	● Access the configure device menu at the control panel, and
		change the fuser mode setting or choose another media type.
		See “Configure Device menu” on page 44.
Table 66. Creases
	Possible cause	Recommended action(s)
	The media does not meet specifications	1. Turn over the stack of media in the tray. Also try rotating the
	or is not stored properly.	media 180 degrees.
		2. Check the media for type and quality. Replace the media,
		and advise the customer to use the HP recommended
		media and to store it correctly. See “Paper specifications” on
		page 9.
	The printer’s operating environment	● Make sure the printer is installed in the proper environment.
	does not meet specifications.	See “Environmental specifications” on page 7.
	The media is not loaded properly or the	● Make sure that the media is loaded properly and that the
	trays are not adjusted correctly.	guides fit correctly against the stack.
	Wrong tray.	● Print from tray 1 when you use a difficult media.
	Wrong output bin.	● Print to the rear output bin.
	Obstruction in the paper path.	1. Check the paper path for debris.
		2. Check for damaged components that might be creasing the
		paper.

Q2431-90912 Chapter 7 Troubleshooting 319