5] overall trouble shooting of printer pwb – Sharp FO-2150CM User Manual
Page 8
Advertising
UX-2200CMU/CMC
FO-2150CMU/CMC
[5] Overall Trouble Shooting Of Printer PWB
FRONT
VIEW
B C E
Q1
FRONT
VIEW
B
E
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
Advertising
This manual is related to the following products: