Diagnostic information 2-89
4024-XXX
4 Check the bridge unit assembly top cover actuator.
Paint both faces of the actuator with a black permanent
marker.
Does the error continue?
Go to step 4 Problem solved.
5 Check the sensor (bridge unit top cover interlock)
installation.
Is the sensor (bridge unit top cover interlock) installed
properly?
Go to step 5. Reinstall the
sensor (bridge
unit top cover
interlock).
Go to “Sensor
(bridge unit top
cover interlock)
removal” on
page 4-15.
6 Check the sensor (bridge unit top cover interlock) for
proper operation.
Perform the sensor (bridge unit top cover interlock)
test.
1. Enter the Diagnostics Menu.
2. Touch FINISHER TESTS.
3. Touch Sensor Test.
4. Touch Cover and Door.
5. Touch Door F bridge top.
Does the operator panel display change every time the
detection point of the sensor (bridge unit top cover
interlock) is blocked?
Go to step 7. Go to step 6.
7 Is the sensor (bridge unit top cover interlock)
connected properly?
Replace the
sensor (bridge
unit top cover
interlock).
Go to “Sensor
(bridge unit top
cover interlock)
removal” on
page 4-15.
Replace the
connection.
8 Does the error still occur when the power is turned on? Go to step 8. Problem solved.
9 Replace the finisher controller card assembly.
Go to “Finisher controller card assembly removal”
on page 4-118.
Does the error still occur when the power is turned on?
Replace the
printer engine
card assembly.
Refer to the
Printer Service
Manual.
Problem solved.
Step Check Yes No
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