54
UF-5500 / 4500
6.12.1. Drum Detection
DRUM SENSOR is not arranged.
DRUM cartridge is detected when HVERR SENSOR arranged in H.V.P.S becomes effective.
6.12.2. Pickup Sensor
Paper SENSOR is not arranged.
Paper is detected when PICKUP SENSOR described as follows becomes effective.
This Switch detects whether a recording paper is picked up or not, and whether Rear Cover is opened or closed.
When there is a recording paper at the position of the switch, the input signal of IC300-AE20pin becomes low level.
When there is no recording paper at the position of the switch, the input signal of IC300-AE20pin becomes high level.
High Voltage ERROR Status
Drum sensor
Signal (IC300-P26)
Abnormal
DRUM can not be detected Low level
Normal
DRUM can be detected
High level
Pickup status
Idling status
Signal (IC300-AE20pin)
A paper exists
Rear Cover opened
Low level
No papers
Rear Cover closed
High level
IC300
R520
P26
Main Board
CN1
H.V.P.S
C511
2
2
+3.3V
R519
[HVERR Sensor]
High Voltage
ERROR DETECT
CN505
IC300
CN508
R580
AE20
Main Board
CN51
Pickup & FAN2 Board
C563
SW50
7
2
+3.3V
R578
CN64
Toner Board
7
2
CN67
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 ...