Sanyo SFX-11 Service Manual page 20

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NO I
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(4) No motor rotates when the original is inserted
I IS /S1 (CN7-pin No. 2) less than 0.8V ?
I—FI Check the connection of CN7 (M-l). [
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1
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OK
v
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1
Check the connection of CN1 (M-1) through CN51 (M-5). Check the S1 sensor.
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NO
Is /RMO1 -04 (CN1 Pin No. 12- 15) OK? Check the M-1 PCB.
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1 YES
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I Check the connection of CN53.
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YES
Check the Power supply PCB (M-5).
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OK
Check the Transmission Motor.
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(5) No copy is made
NO
Is the Head Test OK? (Sac page 31.) Check the printing circuit.
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YES
Check the Reading circuit.
(a) Printing Circuit (To be confirmed by the Head Test)
Check the connection of CN5 (M-1) through CN56
(Thermal Head).
1 OK
NO
Does +24V appear at CN1, Pin No. 4 ?
Check the Power Supply PCB (M-5).
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YES
NO
Does HVON (CN1, Pin No. 7) work properly (High at
printing)?
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YES
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NO
Do the signals (DATA,/lATCH, CLK (CN5, Pin No. 2- 4)
appear normally?
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YES
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NO
Do the signals (/ EN1 -4 (CN5, Pin No. 5- 8))appear Check the M-1 PCB.
normally?
-
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YES
Check the Thermal Head.
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-
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