Ricoh FAX2900L Service Manual page 217

Point-to-Point Diagram
Model: Schmidt3
Contact Image
Mechanical Counter
Paper Present [ 5]
1
Document Sensor
C O M 1
2
1
(Not used)
2
Paper Edge
Paper End
Rear Upper Cover Switch
Rear Lower Cover Switch
Toner End Sensor
Fusing Exit Sensor
Registration Sensor
Cooling
Fan Motor
Speaker
Paper Feed Clutch
Stamp
RS232C
Interface
(Optional)
+ 2 4 V
1 5
C O M 3
1 4
RINGP1 (US - Not used)
1 3
R I N G P 0
1 2
RIDET [ 5]
1 1
C M L S W [ 5]
1 0
O H D I S W [ 5]
9
C O M 1
8
EXTDI [ 5]
7
H O O K 1 [ 5]
6
H O O K 0 [ 5]
NCU
5
E X R I N G
4
C O M 2
3
R I T O N E
2
TRDX [Tx/Rx Signal]
1
CSEL1 (US - Not used)
5
CSEL0 (US - Not used)
4
G S S W [ 5] (US - Not used)
3
+5V (US - Not used)
2
+5VEE (US - Not used)
1
+ 2 4 V M
5LEDON [LED Array ON: 24]
SCCLK [Clock]
C O M 1
SCSI [Line Synchronization Signal]
C O M 1
Sensor
-9VV
+ 5 V V
C O M 1
AVIDEO [Analog Video Signal]
+ 2 4 V M
5 M C C N T
(Optional)
+ 5 V O P P
1 1
5EXRESP [Rest: 5]
1 0
OPSIDP [Serial Data]
9
5OPSCK [Serial Clock]
8
1OPSOD [Serial Data]
7
C O M 1
OPU 6
ECOSW [Energy Saver Key:
5
+ 5 V E
4
ECOLED [Energy Saver LED ON:
3
S1 [Document Sensor ON:
2
C O M 1
1
C O M 1
1RXS [Paper Present:
Sensor
+ 5 V
(not used)
C O M 1
5PAPEND1 [Paper Present:
Sensor
+ 5 V
1CVROPN 4 [Close: 5]
C O M 1
1 C V R O P N 3 [ C l o s e : 5]
C O M 1
+ 2 4 V
TONEND [Toner End Sensor Output]
not used
C O M 1
C O M 1
5CPYOUT [Paper Present: 5]
+ 5 V
C O M 1
1REGS [Paper Present: 5]
+ 5 V
+ 2 4 V M
5FANCL [Fan Motor Drive]
C O M 3
MONSP [Speaker Output]
C O M 1
+ 2 4 V M S
5PFCONT1 [Clutch ON: 24]
+ 2 4 V M
(not used)
5STMP [ON: 5]
D 7
1DEIT2 [ 5]
D 6
A 3
D 5
A 2
D 4
A 1
D 3
A 0
D 2
5EXCS0 [ 5]
D 1
5 R S R E S [ 5]
D 0
+ 5 V
5 R S R D [ 5]
C O M 1
5 R S W R [ 5]
C O M 1
Issued on June 8th, 1999
Revision 1.0
Subject to change
1HETONO [Fusing Lamp ON:
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
1 0
1
1 1
2
1 2
1 3
1
1 4
2
1 5
3
1
1
2
2
3
3
4
4
5
5
6
BIASCTL [Bias0/1=H:
7
1
8
2
9
3
1 0
4
1 1
5
1 2
6
1 3
7
8
1
9
2
1 0
3
4
1
5
2
1
1 2
1APCSH [5ACP Sampling Hold:
2 3
5PGSYCI [Laser Synchronization Signal]
3 4
4 5
5 6
6
5]
7 1
8 2
5]
9 3
5]
1 0
1 1
1
2
1
3
5]
2
4
3
5
4
6
5
FCU
5]
6
1
7
2
3
4
1
5
2
6
3
4
1
1
2
2
3
3
4
4
5
6
1
2
1
3
2
3
1
4
2
5
3
6
7
1
1CVROPN5 [Paper Present:
2 1
3 2
3
1
4
2
5
6
7
1
8
2
1
2
3
22 Pins
1
2
3
4
5
22 Pins
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
5]
8
1HETONO [Lamp Enable: 5]
7
C O M 3
6
+ 2 4 V
5
PSU
+ 2 4 V
4
C O M 3
3
+ 2 4 V M
2
C O M 3
1
+ 5 V T
Thermistor
ATHERM [Thermistor Output]
+ 2 4 V D
+24V Interlock Switch (Front Cover)
(not used)
+ 2 4 V
BIASMON [Analog Output]
1 3
+ 5 V
1 2
CHMON [Analog Output]
1 1
TLMON [Analog Output]
1 0
-9V
9
CHPWM [Charge Drive Data]
8
Power
5, Bias0/1=L: 5]
7
Pack
BIASPWM [Bias0/1 Drive Data]
6
TLPWM [Transfer=L Drive Data]
5
THTRG [Transfer=H ON: 24]
4
C O M 1
3
C O M 3
2
+ 2 4 V P P
1
+ 2 4 V M
C O M 3
Polygon
5POLME [Motor Enable: 24]
Mirror
5POMLOK [Motor Lock: 5] Motor
5POLMCK [Motor Clock]
+ 5 V L D
5LDENA [LD Enable: 5]
5]
LDDR
C O M 1
VIDEO [Print Data]
+ 5 V L O C K
(not used) +5V Interlock Switch (Front Cover)
+ 5 V L D I
T X O U T A
+ 2 4 V M M
T X O U T A B
T X O U T B
+ 2 4 V M M
T X O U T B B
M M O U T A
+ 2 4 V M M
M M O U T A B
M M O U T B
+ 2 4 V M M
M M O U T B B
R X O U T A
+ 2 4 V M M
R X O U T A B
R X O U T B
+ 2 4 V M M
R X O U T B B
+ 5 V
5PAPEND3 [Paper Present: 5]
PAPSIZE3 [Upper A4: 5]
5CASE3 [Cassette Present: 5] Multi-Purpose Feeder
(Optional)
C O M 1
+ 2 4 V M S
5PFCONT3 [Solenoid ON: 24]
5]
C O M 1
5PAPEND2 [Peper Present: 5]
C O M 1
Paper Feed Unit
5CASE2 [Cassette Present: 5]
(Optional)
C O M 1
+ 2 4 V M S
5PFCONT2 [Clutch ON: 24]
ISDN G4 Borad
G4 Interface
(Optional)
I/C Card (Optional)
A C L
A C N
Fusing Lamp
Toner Application
B 2
Development
B 1
C h a r g e
C
Transfer
T
Scanner
Motor
Main
Motor
Paper
Feed
Motor
Symbol
AC Line
DC Line
Signal Direction
Active Low
Active High
5 V
5
24 V
2 4