Connector Summary; Major Component Unit - Epson Stylus C40UX Service Manual

Stylus C40UX/C40SX/C20UX/C20SX

7.1 Connector Summary

7.1.1 Major Component Unit

The Major component units of this printer are as follows.
Main Board (C413MAIN or C413MAIN-B)
Power Supply Board (C417/PSE)
The figure below shows how these components connect.
C417PSB/PSE
CN2 CN2
AC Power CN9
Print Head
Figure 7-1. Connection of the Major Components
See the following tables for the connector summary for the C413MAIN/B board and
each connector's pin alignment.
Table 7-1. Connector Summary for C413MAIN/B
Connector Function
CN4 For connection with the HP/PE/IC/sensor
CN12 For connection with the CR motor
CN7 For connection with the PF motor
Appendix
C413MAIN/B
Parallel I/F
CN1
(C413MAIN)
USB I/F
CN3
(C413MAIN-B)
CN12 CN7 CN4
PF Motor
CR Motor HP/PE/IC
Printer Mechanism
Table to refer to
Table 7-2
Table 7-3
Table 7-4
Table 7-1. Connector Summary for C413MAIN/B
Connector
CN9 For connection with the Print Head
CN2 For connection with the Power supply board
CN1 For connection with the parallel interface
CN3 For connection with the USB interface
Pin Signal Name
1 SIG
2 GND
3 VCC
Pin Signal Name
1 CRA
2 CRB
3 CR-A
4 CR-B
Pin Signal Name
1 PFA
2 PFB
3 PF-A
4 PF-B
Connector Summary
Function
Table 7-2. CN4-HP/PE/IC Sensor
I/O
In Sensor detect signal
--- Ground
--- Sensor Power Supply
Table 7-3. CN12-CR Monitor
I/O
Out Phase drive signal (A)
Out Phase drive signal (B)
Out Phase drive signal (-A)
Out Phase drive signal (-B)
Table 7-4. CN3-PF Motor
I/O
Out Phase drive signal (A)
Out Phase drive signal (B)
Out Phase drive signal (-A)
Out Phase drive signal (-B)
Revision B
Table to refer to
Table 7-5
Table 7-6
Refer to "IEEE-1284
Parallel Interface
(Forward Channel)"
Refer to "1.3.1 USB
INterface"
Function
Function
Function
104