73
CN68
CN66-3
+5V
CST2 PCB
CN70-3
+5 VDC Power Supply
CN66-4
nPCHK2
CST2 PCB
CN70-4
No Paper Detection Signal
(2nd Cassette)
H: No Paper
L: Paper
CN66-5
pADF2
CST2 PCB
CN70-5
Feed Roller Drive Clutch
Control Signal
(2nd Cassette)
CN66-6
nCCHK2
CST2 PCB
CN70-6
No Cassette Detection
Signal (2nd Cassette)
L: No Cassette
CN66-7
nOP
CST2 PCB
CN70-7
2nd Feeder Unit Detection
Signal
H: No Feeder Unit
SC PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN68-1
nS/H
LSU
CN1-1
Laser Power Sample/Hold
Timing Signal
L : Sampling
H : Holding
CN68-2
nHSYNC
LSU
CN1-2
Horizontal Synchronous
Signal
2.136 ms (400 dpi)
1.393 ms (600 dpi)
CN68-3
L+5V
LSU
CN1-3
Laser C5 VDC Power
Supply
(Supplied only while the LP
is operating)
CN68-4
GND
LSU
CN1-4
Ground
CN68-5
nLDON
LSU
CN1-5
Laser Control
CN68-6
nVIDEO
LSU
CN1-6
Video Data
L: Black
H: White
SC PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
+5V
+5V(H)
0V(L)
0V (L)
+5V (H)
ON
+5V(H)
0V(L)
+5V(H)
0V(L)
+5V(H)
0V(L)
+5V(H)
0V(L)
+5V
0V
+5V(H)
0V(L)
+5V(H)
0V(L)
Summary of Contents for Facsimile UF-590
Page 17: ...17 1 4 Control Panel For USA and Canada UF 790 UF 780 790 780 ...
Page 18: ...18 For Other Destinations UF 590 UF 580 ...
Page 27: ...27 10 Remove 2 P6A Bushings 316 11 Remove the Eject Roller 303 10 11 ...
Page 33: ...33 11 Remove 2 Screws 4N 12 Remove the Paper Feed Rollers 518 11 12 ...
Page 294: ...294 4 3 2 1 D C B A 1 2 3 4 Drawing Name HVPS 2 4 Model UF 580 590 780 790 ...
Page 295: ...295 4 3 2 1 D C B A 1 2 3 4 Drawing Name HVPS 3 4 Model UF 580 590 780 790 ...
Page 296: ...296 4 3 2 1 D C B A 1 2 3 4 Drawing Name HVPS 4 4 Model UF 580 590 780 790 ...
Page 297: ...297 4 3 2 1 D C B A 1 2 3 4 Drawing Name LVPS 1 1 Model UF 580 590 780 790 ...
Page 298: ...DZZSM00158 ...