HP Pro 4300 C9H70UT C9H70UT#ABA manual See Configuration page on, Switches and sensors on

Table 41. Alphabetical printer messages (continued)

Message	Description	Action
INSERT OR CLOSE	Tray XX must be inserted or	1.	Press the HELP (	) button
TRAY XX	closed before the current job can		for detailed information.
For help press	be printed.	2.	Press the UP ARROW (		)
			button and the
			DOWN ARROW (	) button to
			step through the instructions.
		3.	If the error persists, verify that
			the indicated tray’s
			media-size sensor (PS102,
			SW801, or SW1) is properly
			operating. See figure 213 on
			page 336, figure 217 on page
			340, or figure 220 on page
			343. Verify that the sensor
			“fingers” inside the tray are
			engaging the tray sensor
			correctly.
		4.	Print a configuration page.
			See “Configuration page” on
			page 241.
		5.	If the tray settings on the
			configuration page are
			correct, verify that the tray’s
			paper-out sensor is
			operating. See “Printer
			switches and sensors” on
			page 336, “500-sheet feeder
			switches, sensors, solenoids,
			and PCAs” on page 340, or
			“1,500-sheet feeder switches,
			sensors, solenoids,
			and PCAs” on page 343.
INSTALL CARTRIDGE	The cartridge is either not	1.	Insert the cartridge, or make
	installed or not correctly installed		sure that the cartridge is fully
alternates with	in the printer.		seated.	) button
		2.	Press the HELP (
For help press			for detailed information.
		3.	Press the UP ARROW (		)
			button and the
			DOWN ARROW (	) button to
			step through the instructions.
		4.	If the error persists, replace
			the cartridge.
		5.	Verify that the connectors
			between power supply and
			transfer assembly are not
			damaged.
		6.	Replace the power supply.
			See “Power supply” on
			page 188.
		7.	Replace the transfer
			assembly. See “Transfer
			assembly” on page 200.

Q2431-90912 Chapter 7 Troubleshooting 261