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(4) No
motor rotates when the original is inserted.
NO
1s/S1 (CN6, pin No. 14) low?
<-""
A
Check the connection
of CN6 (M-l).
1
YES
NO
.—
Check the connection
CN6 (M-1) and CN61 (M-6.)
Check the S1 sensor.
I
YES
NO
ls/TMIO-3 (CN6, pin No. 20-23) OK?
Check the M-1 PCB.
J
YES
Check the connection
of CN62.
I
i
YES
Check the Transmission
Mecha control PCB (M-5).
I
YES
\
Check the Transmission
motor.
I
(5) No copy is made.
NO
Is the Head test OK? (See page 27)
Check the printing circuit.
I
1
1
1
1
YES
r
t
Check the reading circuit.
%_
(a) Printing Circuit (To be confirmed by the Head test)
Check the connection
of CN4 (M-1 ) and CNTPH (Thermal head).
L
1
YES
Does
+24V
appear at CN7, pin No. 15?
Check the power supply PCB (M-7).
I
YES
NO
Does
HVON (CN7,
pin No. 1) work properly (High at printing)?
I
YES
NO
Do the signals (DATA (CN4, pin No. 6), CLK (CN4, pin No. 7)) appear normally?
1
I
YES
Do the signals (/STBl,
/STB2 (CN4, pin No. 8, 9)) appear normally?
I
YES
1
1
I Check the Thermal head. I
—17–
Check the M-1 PCB.
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