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UX-2200CMU/CMC
FO-2150CMU/CMC
[5] Overall Trouble Shooting Of Printer PWB
FRONT
VIEW
B C E
Q1
FRONT
VIEW
BE
C
Q101
Figure 1 Figure 2
– 7 –
NG
NG
• BOTH CARRIAGE MOTOR AND FEED MOTOR
ARE NG.
OPEN
REPLACE F100 AND F101
+24V AT Q1-E (Figure 1)
OK
OK
NG
FUSE “F100” AND “F101
+24V AT Q1-C (Figure 1)
+5V AT Q101-B (Figure 2)
CHECK RESISTANCE
BETWEEN +24V AND GND.
SHORT OR NOT
CHECK IC5 AND IC8 AND
R145,R144
0V AT Q101-C (Figure 2)
REPLACE Q1 (Figure 1)
REPLACE PRINTER PWB
CHECK IC5 AND IC8
REPLACE PRINTER PWB
REPLACE IC5 OR IC8
SHORT
CHECK +24V PATTERN
REPLACE PRINTER PWB
REPLACE Q101 (Figure 2)
OK
NO
OK
OK
OK
OK
NG
REPLACE IC5 OR IC8
NG
NG