HP CP4525DN Laser CC494A#ABA manual Error, See DC controller PCA and tray

Table 3-14Control-panel messages (continued)

Description	Recommended action
56.X ERROR	A temporary printing error has occurred (XX	Turn the product off, and then turn the
To continue turn off then on	= 01; illegal input).	product on.
57.03 ERROR	Cartridge fan (FM2) is defective.	1.	Reconnect the cartridge fan connector
To continue turn off then on			J65, connector J263 on the high-voltage
			power supply lower, and connector J114
			on the DC controller PCA.
		2.	Turn the product off, and then on.
			Measure the voltage between
			connectors J263-16 and J263-18 on the
			high-voltage power supply lower
			immediately after the product is turned
			on. If the voltage changes from 0 V to
			approximately 24 V, replace the
			cartridge fan. See Cartridge fan and
			environmental sensor on page 137.
57.04 ERROR	Power-supply fan (FM1) is defective.	1.	Reconnect the cartridge fan connector
To continue turn off then on			J153 on the DC controller PCA.
		2.	Turn the product off, and then on.
			Measure the voltage between
			connectors J153-1 and J153-3 on DC
			controller PCA immediately after the
			product is turned on. If the voltage
			changes from 0 V to approximately 24
			V, replace the power-supply fan. See
			Power-supply fan on page 152.
57.06 ERROR	Exhaust fan (FM4) is defective.	1.	Reconnect the cartridge fan connector
To continue turn off then on			J79, connector J264 on the high-voltage
			power supply lower, and connector J114
			on the DC controller PCA.
		2.	Turn the product off, and then on.
			Measure the voltage between
			connectors J264-1 and J264-3 on the
			high-voltage power supply lower
			immediately after the product is turned
			on. If the voltage changes from 0 V to
			approximately 24 V, replace the exhuast
			fan. See Exhaust fan and fan duct
			on page 169.
57.XX ERROR	A temporary printing error has occurred.	Turn the product off, and then turn the
To continue turn off then on		product on.
58.XX ERROR	A temporary printing error has occurred.	●	58.03 ERROR: Turn the product off, and
To continue turn off then on	● 58.03 ERROR: DC controller PCA is		then turn the product on. If the message
			persists, replace the DC controller PCA.
	defective.		See DC controller PCA and tray
	● 58.04 ERROR: Low-voltage power		on page 161.
	supply is defective.	●	58.04 ERROR: Reconnect the
			connector J150 on the DC controller
			PCA. If the message persists, replace

the low-voltage power supply. See Low- voltage power supply (LVPS)

on page 157.

ENWW Tools for troubleshooting 351