Diagnostic information 2-39
7525-63x
Input sensor (S2) service check
The Input sensor (S2) is part of the autocompensator FRU and is not available otherwise.
5
Disconnect the cable at JFUSES1 on the RIP
board, and check the following voltages:
Are the values approximately correct?
Go to step 6. Replace the RIP board. See
“RIP board removal” on
page 4-19.
6
Replace the fuser. See “Fuser assembly
removal” on page 4-32.
Does the error clear?
Problem resolved. Replace the RIP board. See
“RIP board removal” on
page 4-19.
Step Questions / actions Yes No
1 Enter the Diagnostics Menu.
1. Turn off the printer.
2. Press and hold 3 and 6.
3. Turn on the printer.
4. Release the buttons when the progress bar
appears.
Perform the Base Sensor Test. See “BASE
SENSOR TEST” on page 3-20.
1. Navigate to BASE SENSOR TEST >
Input - S2.
2. Pull Tray 1 out, and rotate the S2 sensor
flag (S2 is located in front of the center
autocompensator mechanism housing.) It
should rotate freely and return to its original
position.
Is the input sensor (S2) flag damaged?
Replace the
autocompensator
mechanism. Go to
“Autocompensator
mechanism (ACM)—
standard tray removal” on
page 4-13.
Go to step 2.
2
Watch the display while rotating the flag.
Does the display indicate
Input - S2: Media Clear and
Input - S2: Media Present?
Problem resolved. Go to step 3.
Step Questions / actions Yes No
JFUSES1
Pin Value
1 +24 V dc (doors closed)
2 +24 V dc (doors closed)
3 +24 V dc (doors closed)
4 +24 V dc (doors closed)
5 Between 0.6 and 3.28 V dc
6 Ground
8 Ground
10 Between -3 and +3.3 V dc
11 Ground (no wire)
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