Ncu Test - Konica Minolta FK-502 Service Manual

FK-502 Service Manual Ver.1.0

4.4.NCU TEST

<Operational Procedure>
(1) Press [NCU Test].
(2) Select a test item.
(3) Press the [Start] key.
Note: In order to move to another test, select the next test item after pressing the [Stop] key.
Supplement:
• When CML / PULSE / EARTH / LOOP relay test is selected and the [Start] is pressed, ON is displayed in
the parameter and relay is turned to ON. When [Stop] is pressed, relay is turned OFF.
• When the DC-LOOP detection test is selected and [Start] is pressed, DT=0001 is shown in the title row
in case of detecting the DC-LOOP. If not detected, DT=0000 is displayed.
• When the speaker test is selected and [Start] is pressed, On is displayed in the parameter and the
speaker is turned ON. When [Stop] is pressed, the speaker is turned OFF.
Contents of Test
CML Relay
PULSE Relay
EARTH Relay
LOOP Relay
DC-LOOP Detect
Speaker
Outside Ring Send
Audio Response Send
A. Detailed Explanation
a. DC-LOOP Detect
DT=0001
Indicates three ports.(NOTE).
NOTE: Three ports : Input port between the Fax control board and NCU board
Relay to Be Tested
RL1
RL5
Not available
Not available
"1":ON
"0":OFF
NCU TEST
4-5