2-130 Service Manual
7526
920.26—POST service check
Step Questions / actions Yes No
1 Open the top access cover.
Is the top cover sensor damaged?
Replace the top cover
sensor.
Go to step 2.
2
1. Turn the printer off.
2. Remove the rear frame cover. See “Rear
cover removal” on page 4-36.
3. Check the cable in the connector JFDS1
for proper connection to the system board,
pinch points, and the cable or connector
for any other damage.
Is the cable damaged?
Replace the top cover
sensor.
Go to step 3.
3
1. Disconnect the cable in connector JFDS1.
2. Connect the new top cover sensor.
3. Enter Diagnostics mode (press and hold
buttons 3 and 6, turn on the MFP, and
release the buttons when the progress bar
displays.
4. Touch Sensor Tests.
5. Touch Dynamic Sensors.
6. Touch Top Door.
7. Activate the top cover sensor by pressing
the flag as shown.
Does the display on the touchscreen change
from Open to Closed?
Replace the top cover
sensor.
Replace the system board.
See “System board
removal” on page 4-157.
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