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175
UF-5500 / 4500
11.2.13.2. ADF Motor
Is Pin 22 of IC700
more than 0.4V ?
Are excitation voltage output
from Pin 4,6,7 and 9 of IC700 ?
Replace ADF MOTOR
Check winding resistance of
ADF MOTOR, Approx. 15
Ω
?
ADF MOTOR
No
Yes
Are the resistance between 24V
and Pin 4,6,7,and 9 of IC700
more than 1K
Ω
?
Replace IC700
No
Yes
Yes
Replace ADF MOTOR
No
Is voltage R711
(IC300 side) "H"?
Repair
Are phase signals input to Pin
1,12,13,14,23 and 24 of IC700 ?
No
Yes
No
Yes
Is pin 20 of IC700 "H"?
Yes
No
Check soldering of
Q521. OK?
Is Drain voltage of
Q521 0.6V or pulse ?
No
Is Gate voltage of Q521
0V or pulse ?
No
No
Replace IC300
No
Yes
Yes
Yes
Check soldering of
R711, R701, R702 and
Q700, OK ?
Yes
Yes
Replace Q521
Replace IC300
Replace IC300
Replace IC700
Repair
No
Check soldering of R533,
R534, R540 and C509.
Check soldering of
R538 and R539. OK?
Replace R711, R701,
R702 or Q700.
Yes
Repair
No
Содержание UF-4500
Страница 180: ...180 UF 5500 4500 ...
Страница 248: ...248 UF 5500 4500 13 5 Test Chart 13 5 1 ITU T No 1 Test Chart ...
Страница 249: ...249 UF 5500 4500 13 5 2 ITU T No 2 Test Chart ...
Страница 281: ...281 UF 5500 4500 10 10 11 15 12 17 18 19 20 21 22 23 24 28 29 30 27 25 26 21 13 14 16 30 ...
Страница 287: ...287 UF 5500 4500 130 131 132 133 134 135 136 137 138 139 140 141 PCB2 A UF 5500 only CN1 ...
Страница 289: ...289 UF 5500 4500 PCB8 PCB4 160 161 163 162 164 167 168 171 177 178 172 173 174 173 176 169 170 162 164 A A 165 ...
Страница 297: ...297 UF 5500 4500 ...
Страница 305: ...305 UF 5500 4500 ...
Страница 309: ...309 UF 5500 4500 A1 A3 A4 A6 A7 A8 A9 A10 P1 P2 P3 P4 P5 P6 P7 P8 P7 Drum Cartridge Toner Cartridge P9 A11 ...
Страница 311: ...311 UF 5500 4500 501 502 503 504 506 507 505 508 509 511 510 514 513 512 P51 P53 P54 A51 P52 ...
Страница 362: ...362 UF 5500 4500 ...
Страница 365: ...365 UF 5500 4500 Published in Japan ...