Epson Stylus DX4850 Service Manual

EPSON Stylus CX4100/CX4200/CX4700/CX4800/DX4200/DX4800/DX4850 Revision A
OPERATING PRINCIPLES Electrical Circuit Operating Principles 86
The block diagram for the sensor circuit is shown below.
Figure 2-22. Sensor Circuit Diagram
CVDD
CO
CCLK
CDIO
CXRST
AIN2
EA_CR
EB_CR
EA_PF
EB_PF
A6
C6
B4
A4
B5
B9
B6
A5
A17
B17
CPU
(IC8)
PF Encoder
(P1)
PE
PG
SCNHP
AIN1
D17
D6
D18
C9
5
1
6
2
3
13
10
15
11
9
CVDD
COI
CSCK
CSDA
CRST
PW
EVDD
LEDON
ENCA
ENCB
PEV
GND
PE
PG
GND
PEV
GND
SCN_HP
XHOT/
THM
3
2
1
1
2
3
2
1
1
VOA
VOB
VCC
GND
A
A
+3.3V_SN
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V_SN
+3.3V
+3.3V +3.3V_SN
+3.3V_SN
CN7
• CR
Encroacher
Sensor
• PW Sensor
• CSIC
CN13
Scanner HP
Sensor
CN5
THM
CN4
PG Sensor
CN3
PE Sensor

Epson Stylus DX4850 Specifications

General

Brand	Epson
Model	Stylus DX4850
Category	Printer
Language	English