4. TEST POINTS (MAIN CONTROL BOARD)
Number
Label
Monitored Signal
TP1
(RXB)
RXB
TP2
(TXB)
TXB
TP3
(TXA)
TXA
TP4
(TXS)
TXS
TP5
(RXS)
RXS
TP6
(GND)
Ground
TP7
(+5 V)
+5 V
TP8
(TXL)
TXL
TP9
(P-SENSOR)
ID sensor output
TP11
(TRANS-FB)
Transfer current feed-back voltage
TP12
(LAMP)
Exposure lamp voltage feed-back voltage
TP13
(T-SENSOR)
Toner density sensor output
TP14
(ADS)
Auto image density sensor output
TP15
(RXA)
RXA
TP16
(CHA-FB)
Drum charge roller feed-back voltage
TP17
(DEV-BIAS)
Development bias feed-back voltage
TP18
—
Drum charge thermistor output
TP19
—
Not used
TP20
—
Secondary fusing thermistor output
TP21
—
Main fusing thermistor output
FSM
4-53
FT5535/4527/4522
Summary of Contents for Aficio FT4027
Page 1: ...FT5535 5035 4527 4027 4522 4022 FIELD SERVICE MANUAL ...
Page 4: ...SECTION 1 OVERALL MACHINE INFORMATION ...
Page 9: ...SECTION 2 COMPONENT LAYOUT AND DESCRIPTION ...
Page 10: ...1 MACHINE CONFIGURATION 1 1 COPIER Rev 7 95 FSM 2 1 FT5535 4527 4522 ...
Page 16: ...3 2 DUPLEX COPYING A156 copier A160 A162 copier Rev 7 95 FSM 2 7 FT5535 4527 4522 ...
Page 24: ...SECTION 3 INSTALLATION ...
Page 51: ...SECTION 4 SERVICE TABLES ...
Page 116: ...SECTION 5 REPLACEMENT AND ADJUSTMENT ...
Page 187: ...SECTION 6 TROUBLESHOOTING ...
Page 235: ...SECTION 7 DF61 AUTO REVERSE DOCUMENT FEEDER Machine Code A548 ...
Page 251: ...SECTION 8 PS290 280 PAPER TRAY UNIT Machine Code A549 550 ...
Page 267: ...SECTION 9 PS270 PAPER TRAY UNIT Machine Code A553 ...
Page 282: ...SECTION 10 ST26 20 BIN SORTER STAPLER Machine Code A554 ...
Page 315: ...SECTION 11 ST10 10 BIN SORTER STAPLER Machine Code A555 ...
Page 333: ...SECTION 12 CS220 20 BIN SORTER MINI α Machine Code A556 ...
Page 346: ...SECTION 13 CS130 10 BIN SORTER MICRO α Machine Code A557 ...
Page 357: ...APPENDIX ...
Page 362: ...TECHNICAL SERVICE BULLETINS ...
Page 399: ...Tech Service Bulletin No 4027 4527 5035 5535 4022 4522 010 Page 5 of 6 Continued ...
Page 400: ...Tech Service Bulletin No 4027 4527 5035 5535 4022 4522 010 Page 6 of 6 ...
Page 503: ...Section 1 Overall Machine Information ...
Page 509: ...2 MACHINE CONFIGURATION 2 1 COPIER A204V500 wmf MACHINE CONFIGURATION A207 A208 A211 1 6 SM ...
Page 618: ...SECTION 3 20 BIN SORTER STAPLER ST30 A664 ...