Epson Perfection 4870 Photo Service Manual page 36
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- Brochure & specs (5 pages) ,
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Perfection 4870 Photo
Start
Is the TPU
Harness connected
to the TPU Main
Board and TPU
Carriage?
Is the
Connector CN2
connected to the
TPU Main
Board?
Are the
Connectors
CN2, CN3 on the
TPU Inverter Board
connected?
Replace the
SUB_C, D Board
Figure 3-9. The LED of the TPU does not light up.
TROUBLESHOOTING
Connect the TPU
Harness.
Connect the
Connector.
Connect the
Connectors.
Troubleshooting
Revision A
36
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