9
2. No width switchover.
N
Y
Y
N
3. No function（fixed-spot or partial）
N
Y
Y
N
4. No rolling
N
Y Y
N
Y
N Y
N
Are the terminals of Width Inspection Board and main
PCB connected securely?
Connect securely.
Width Inspection Board fails or not? Replace it.
Replace main PCB.
Are the terminals of Height Inspection Board
and main PCB connected securely?
Connect securely.
Height Inspection Subassembly fails or not?
Replace it.
Replace Main PCB.
Are the terminals of rolling motor wire and
main PCB connected securely?
Connect securely
Rolling motor fails or not Replace the motor
Up stroke Photo-electricity subassembly fails or not
Replace it
Down stroke Photo-electricity subassembly fails or not
Replace it
Replace main PCB
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