HP 600, 610 manual How should you connect?, Refer to this section for connection instructions

	How should you connect?
	Write down all of your responses to the questions in “What should
	you connect?” then refer to the appropriate setup case indicated
	below. For example, if you answered “A” to question 1, “D” to
	question 2, “E” to question 3, and “H” to question 4, look up
	“ADEH.”
Response:	Refer to this section for connection instructions:
ACJ	“Dedicated line” (page 1-11)
ACH	“Dedicated line with internal modem” (page 1-11)
ACI	“Dedicated line with external modem” (page 1-12)
ADGJ	“Shared line” (page 1-13)
ADGH	“Shared line with internal modem” (page 1-14)
ADGI	“Shared line with external modem” (page 1-15)
ADEJ	“Shared line with answering machine” (page 1-16)
ADFJ	“Shared line with computer voicemail” (page 1-17)
ADEH	“Shared line with internal modem and answering machine” (page 1-18)
ADFH	“Shared line with internal modem and computer voicemail” (page 1-19)
ADEI	“Shared line with external modem and answering machine” (page 1-20)
ADFI	“Shared line with external modem and computer voicemail” (page 1-21)
B	“Shared line with distinctive ring” (page 1-22)
	Note: In all connection diagrams, it is always recommended that a
	phone be connected to your HP OfficeJet. The main benefits of
	connecting a phone are:

●For the convenience of having a phone close to the HP OfficeJet so that you can reach the START button when you receive faxes manually.

●In case you need to send a fax (press START) after calling someone who must receive faxes manually.

●For the convenience of making outgoing phone calls.

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