Xerox 4500 ps eth instruction manual LED Status error messages, Prt

Problem Determination

Xerox 4500 PS ETH, Inst. & Operator's Guide

19.1.2 LED Status error messages

The LED status error messages below indicate some problems encountered during printing.

Condition		LED Status
	LAN	Session	PRT
Unit powered off/ power failure	OFF	OFF	OFF
Ring failure (e.g. Ring not present	Fast	OFF	OFF
	blink
No LAN contact (e.g. Boot reply)	Slow	OFF	OFF
	blink
Printer intervention or error/printe	ON	OFF	Slow
cable removed			blink on
			specific
			LEDs
Bad RAM	OFF	Fading	ON
		ON	OFF
		OFF
LAN Error	ON	Fading	ON
	ON	ON	OFF
		OFF
Main checksum error (Microcode	ON	Fading	ON
download needed)	ON	ON	OFF
		OFF
Baseblock checksum error	OFF	Fading	ON
(Microcode download needed -		ON
Centronics only!)		OFF
DPRAM error (comm. error with	ON	Fading	ON
IPDS top)	OFF	ON	OFF
		OFF
BOOTBLOC checksum error	ON	Fading	OFF
(device needs new FLASH proms)		ON
		OFF
Rear panel switch in wrong	ON	ON	ON
position)	ON	OFF	ON

LED status error messages

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