Table of Contents
Advertisement
Step
Questions / actions
3
Turn the printer on, and then verify the
following approximate values at JSP1:
Pin
Value
2
+24 V dc
4
+24 V dc
5
+5V (when paper is picked)
7
Ground
8
Ground
10
+5 V dc
12
_5 V dc (when paper is picked)
15
+5 V dc
16
Ground
Are the values approximately correct?
Bin full sensor service check
Step
Questions / actions
1
Inspect the bin full sensor located towards the
rear of the top cover assembly.
Is the bin full sensor dislodged or damaged?
2
With the scanner assembly in the down
position, perform the standard bin sensor base
sensor test. See
page
3-18.Toggle the bin full flag attached to
the rear shaft of the redrive unit.
Does the flag rotate freely and interrupt the
sensor beam when in normal position?
3
Turn the printer off, and remove the rear
shield. See
"Rear shield removal" on
page
4-7. Turn the printer on, and then check
the values below at JBIN1:
Pin
1
2
3
Are the values correct?
2-34
Service Manual
JSP1
"Base Sensor Test" on
JBIN1
Value
> 0 V dc, +5V dc during
cycle
+3.3 V dc beam blocked
0 V dc unblocked
Ground
Yes
Replace the
autocompensator
mechanism. See
"Autocompensator
mechanism (ACM)—
standard tray removal" on
page
4-12.
Yes
Repair or replace the bin full
sensor.
See"Bin full
sensor" on page
4-15.
Go to step 3.
Problem resolved.
No
Replace the controller
board. See
"Controller
board removal" on
page
4-18.
No
Go to step 2.
Reposition or replace the
flag. If the flag is broken,
replace the bin full flag.
See"Bin full flag removal"
on page
4-103.
Replace the controller
board.
See."Controller
board removal" on
page 4-18
Y112730-2
Advertisement
Table of Contents
