Diagnostic information 2-27
5025-2xx, 4xx
Autocompensator mechanism service check
Bin full sensor service check
Step Questions / actions Yes No
1 Turn the printer off, and then remove the rear
shield. See “Rear shield removal” on
page 4-11. Check the cable at JSP1 on the
controller board for proper connection.
Is the cable properly connected?
Go to step 3. Properly connect the cables,
and POR the printer.
Go to step 2.
2
Did the printer function correctly after
reconnecting the cables?
Problem resolved. Go to step 3.
3
Turn the printer on, and then verify the
following approximate values at JSP1:
Are the values approximately correct?
Replace the
autocompensator
mechanism. See
“Autocompensator
mechanism (ACM)
removal—standard tray”
on page 4-15.
Replace the controller
board. See “Controller
board removal” on
page 4-19.
Step Questions / actions Yes No
1 Is the bin full sensor dislodged or damaged? Repair or replace the bin full
sensor. See “Bin full
sensor removal” on
page 4-18.
Go to step 2.
2
Does the flag rotate freely and interrupt the
sensor beam when in normal position?
Go to step 3. Reposition or replace the
flag.
3
Turn the printer off, and remove the rear
shield. See “Rear shield removal” on
page 4-11. Turn the printer on, and then check
the values below at JBIN1:
Are the values correct?
Problem resolved. Replace the controller
board. See “Controller
board removal” on
page 4-19.
JSP1
Pin Value Pin Value
2 +24 V dc 10 +5 V dc
4 +24 V dc 13 Ground
6 Ground 15 +5 V dc
7 Ground 16 Ground
8 Ground
JBIN1
Pin Value
1 > 0 V dc
2 +3.3 V dc beam blocked
0 V dc unblocked
3 Ground
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