HP 72SR manual Table B-1. Actions and Warnings, Code, Message Cause What to Do

	Table B-1. Actions and Warnings
Code, Message	Cause	What to Do
(CS) Capping Station
A-CS-1- Capping Station	Capping station is raised, and the car- Lower the capping station to allow
	riage is not at the capping station.	the printheads to be capped, and to
		prevent the carriage from crashing
		into it.
A-CS-2 - Capping Station	Printheads are capped.	Uncap the printheads.
W-CS-1 - Capping Switch Disabled	The Capping Station Sensor has been	Enable the Capping Station Sensor in
	disabled.	the Printer Settings menu.
(EI) Excess Ink Sensor
W-EI-1- Excess Ink Sensor Disabled	The Excess Ink Sensor has been dis-	Enable the Excess Ink Sensor in the
	abled.	Printer Settings menu.
W-EI-2 - Excess Ink Sensor Discon-	The Excess Ink Sensor is discon-	Ensure that the Excess Ink Bucket is in
nected	nected.	place and the full sensor is properly
		connected.

(HT) Heater

W-HT-[1 2 3 4 5 6 7 8 9 10 11] -	A heater or thermistor may be not
Heater Not Warming	functioning on the middle platen
	heater (1-3), middle platen zone (4),
	right platen heater (5), right platen
	zone (6), left platen heater (7), left
	platen zone (8), preheat heater (9),
	postheater #1 (10), or postheater #2
	(11).

Call your service provider to check wiring, heater, thermistors.

W-HT-[21 22 23 24 25 26 27 28 29 30	A heater has been turned off because	Wait for the heater to cool. If the tem-
31] - Heater Too Hot	its temperature has exceeded its	perature does not decrease, unplug
	operational specification: middle	the printer, then restart it and lower
	platen heater (21-23), middle platen	its temperature setting (page 3-35).
	zone (24), right platen heater (25),	Call your service provider to check
	right platen zone (26), left platen	wiring, heater, thermistors.
	haeter (27), left platen zone (28),
	preheat heater (29), postheater #1
	(30), or postheater #2 (31).
W-HT-[40 41 42 43] - Heater Bad	Bad thermister reading detected on	The thermister is bad, or the heater
Reading	the middle platen heater (40-42). or	board or I/O board is malfunctioning,
	middle platen zone (43).	or there is a cable problem.
W-HT-[44 45] - Heater Bad Reading	Bad thermister reading detected on	The thermister is bad, or the heater
	the right platen heater (44) or zone	board or I/O board is malfunctioning,
	(45).	or there is a cable problem.
W-HT-[46 47] - Heater Bad Reading	Bad thermister reading detected on	The thermister is bad, or the heater
	the left platen heater (46) or zone	board or I/O board is malfunctioning,
	(47).	or there is a cable problem.

B-8 Diagnostics