Xerox WorkCentre 5790 Series, Service Manual

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May 2013
2-574 Xerox® WorkCentre® 5790 Family
20B
Status Indicator RAPs
Y N
The exchange is receiving the digits too quickly or is not processing the digits cor-
rectly. Ask the customer if the exchange is DTMF (Dual Tone Multiple Frequency) or
pulse dialing.
Perform the following:
• Ensure that the machine is set for the correct dialing tone.
Reset the values at location 20-230 FaxLine1DialTypeDef and at location 20-
231 FaxLine2DialTypeDef set to 0 = Tone or 1 = Pulse.
• Insert a pause (,) between the first and second digit of the dial string. In the
Dialling Options select Dialling Characters / Pause / Add Character / Save.
The fax only dials once and hangs up or the busy tone has unusual timing, frequency or
level. The busy tones are recognized.
Y
N
Check the number for a voice or tone answer.
Check that the values at location 20-461 to 20-466 are set to the correct defaults to
match the appropriate country setting.
The fax is working correctly. Send a three page test fax to a known good fax machine.
Print a Protocol Report and check for errors. Re-enter the details from the fax options
Check that the customer is dialing the correct number. The number is correct.
Y
N
Ask the customer to dial the number using the appropriate access codes.
Enable audio line monitor (Enter Tools / Fax setups / Fax Transmission defaults / audio line
monitor) and set to ON max time and High volume.
Dial the fax number and listen for a dial tone or dialing and answer tones. A fax tone is
present.
Y
N
(W/O
TAG X-001 ) Reset the value at the following locations:
20-281 Line1CurrentDetect = 0
20-282 Line2CurrentDetect = 0 A Fax tone is present.
Y
N
Go to the
20G Embedded Fax Checkout.
Install new components as necessary:
• Embedded fax PWB, PL 20.10 Item 4 .
• Telephone cable, PL 20.10 Item 8 .
The fax is working correctly. Send a three page test fax to a known good fax machine.
Print a Protocol Report and check for errors.
The dial tone and dialling answer tones are present.
Y
N
The exchange is receiving the digits too quickly or is not processing the digits correctly.
Ask the customer if the exchange is DTMF (Dual Tone Multiple Frequency) or pulse dial-
ing.
Perform the following:
• Ensure that the machine is set for the correct dialing tone.
Reset the values at location 20-230 FaxLine1DialTypeDef and at location 20-231
FaxLine2DialTypeDef set to 0 = Tone or 1 = Pulse.
• Insert a pause (,) between the first and second digit of the dial string. In the Dialling
Options select Dialling Characters / Pause / Add Character / Save.
• Set NVM Location 20-621 FaxTimeBeforeDial to 13.
The fax only dials once and hangs up or the busy tone has unusual timing, frequency or level.
Are the busy tones recognized.
Y
N
•
Check the number for a voice or tone answer.
• Check that the values at location 20-461 to 20-466 are set to the correct defaults to
match the appropriate country setting.
The fax is working correctly. Send a three page test fax to a known good fax machine. Print a
Protocol Report and check for errors. Re-enter the details from the fax options
A
B
B