7-16
7.21 Carriage Motor Remains Motionless
Check if 24V of U14-10
normal
Yes
No
Check printer board
Check if there is broken
wire in J1, and J2
Yes
No
Solder anew
Check power supply
Check if U18-(27~29)
soldered actually
Yes
Solder anew
Check solder state of
U14
Refer to printer board circuit
Check U14
No
Check if J3 connector
loose
No
Yes
Insert anew
Check if carrier home
sensor loose
Yes
Inser anew
Summary of Contents for TF-300P
Page 1: ...I TF 300P Field Service Manual Ver 02 July 8 1999 TTIC...
Page 12: ...1 7 1 3 General Appearance 1 3 1 Appearance 1 3 2 Show the operation panel...
Page 84: ...7 23 Check the status of C24 C25 C26 R32 R34 L11 and L12 Check the Microphone inside handset...
Page 100: ...9 1 9 MECHENICAL DRAWING AND PARTS LIST...
Page 101: ...9 2...
Page 102: ...9 3...
Page 103: ...9 4...
Page 104: ...9 5...
Page 105: ...9 6...
Page 106: ...9 7...
Page 107: ...9 8...
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Page 112: ...9 13...
Page 113: ...9 14...
Page 114: ...9 15...
Page 115: ...9 16...
Page 116: ...10 1 10 CIRCUIT DRAWING...
Page 117: ...10 2...
Page 118: ...10 3...
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