A3 Size Color Flat Bed Scanner GT-30000
Revision A
TROUBLESHOOTING
Overview
34
Flowchart 3-3. CR moves abnormally (crashes into frame)
Flowchart 3-4. Lamp does not light
Replace the main circuit board
or connection circuit board.
Start
Transportation
screw set to locked
position?
Turn on the power and move the
carriage outside the HP.
Is +24 DC present
between pins 10 and 9
(GND) of connection
circuit board connector
CN5?
Is connection circuit
board connector
CN6 connected
properly?
Unlock the screw
Yes
No
Yes
No
Yes
Replace the HP sensor
No
Connect
properly.
Replace the main circuit board
or connection circuit board.
Start
Does the lamp
operate normally?
Replace the lamp on the carriage.
No
Replace the inverter board on the carriage.
Old inverter was defective.
Yes
No
Old lamp was defective.
Yes
Does the lamp
operate normally?
Summary of Contents for GT-30000 Series
Page 9: ...C H A P T E R 1 PRODUCTOUTLINE ...
Page 22: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 29: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 37: ...C H A P T E R 4 DISASSEMBLY ASSEMBLY ...
Page 55: ...C H A P T E R 5 ADJUSTMENTS ...
Page 65: ...C H A P T E R 6 MAINTENANCE ...
Page 67: ...C H A P T E R 7 APPENDIX ...
Page 82: ...Model ES 9000H GT 30000 Board PBA MAIN Rev 1 Sheet 1 3 ...
Page 83: ...Model ES 9000H GT 30000 Board PBA MAIN Rev 1 Sheet 2 3 ...
Page 84: ...Model ES 9000H GT 30000 Board PBA MAIN Rev 1 Sheet 3 3 ...
Page 85: ...Model ES 9000H GT 30000 Board PWS POWER Rev A Sheet 1 1 ...
Page 86: ...Model ES 9000H GT 30000 Board PBA Connect Rev 1 Sheet 1 1 ...