Printer Self Repair

Connector

Function

Table to refer to

CNl

For connection with the Printhead

Table 7-2 (p.117)

CN2

For connection with the CR Encoder Sensor and the CSIC Board.

Table 7-3 (p.117)

J1

For connection with the Power Supply Board

Table 7-4 (p.117)

J2

For connection with the USB interface

" The printer has a USB interface of the following specification." (p.19)

J3

For connection with the Panel Board

Table 7-5 (p.118)

J4

Not used

N/A

J5

For connection with the CIS Assy.

Table 7-6 (p.118)

J6

For connection with the Scanner Motor

Table 7-7 (p.118)

J7

For connection with the CR Motor

Table 7-8 (p.118)

J8

For connection with the PF Motor

Table 7-9 (p.118)

J9

For connection with the PE Sensor

Table 7-10 (p.118)

Pin

Signal Name

I/O

Function

1

COM

O

Head drive pulse (trapezoid waveform)

2

GND2

—

Ground

3

GND

—

Ground

4

XHOT

I

Head temperature signal

5

VDD2

—

+3.3V

6

NCHG

O

All nozzle fire selection pulse

7

GND

—

Ground

8

CH

O

Charge signal for the trapezoidal waveform

9

VDD

—

+3.3V

10

LAT

O

Head data latch pulse output

11

NC

—

Not connected

12

GND

—

Ground

13

SCK

—

Serial clock

14

GND

—

Ground

15

SI1_Bk

O

Print data output for black nozzles

16

GND

—

Ground

17

SI2_Col

O

Print data output for color nozzles

18

GND

—

Ground

19

VHV

O

+42V power supply for nozzle selector

20

COM

O

Head drive pulse (trapezoid waveform)

21

GND2

—

Ground

Pin

Signal Name

I/O

Function

1

ENCA

I

Encoder feed back signal ch.A

2

EVDD

O

Power for CR Encoder

3

ENCB

I

Encoder feed back signal ch.B

4

GND

—

Ground

5

NC

—

Not connected

6

CSCK

I/O

Clock signal for CSIC read/write

7

CVDD

O

Power supply for CSIC

8

CGND

—

Ground

9

CRST

O

Reset signal for address counter of CSIC

10

CSDA

I/O

CSIC transmit and receive data

11

COI

I

Cartridge detect signal

12

Enable

I

General-purpose port

13

CH

O

Charge signal for the trapezoidal waveform

14

VDD

—

+3.3V

15

GND

—

Ground

16

COM

O

Head drive pulse (trapezoid waveform)

17

VHV

O

+42V power supply for nozzle selector

Pin

Signal Name

I/O

Function

1

GND

—

Ground

2

PSC

I

Power supply control

3

+42V

—

+42V

Pin

Signal Name

I/O

Function

l

VCC

—

3.3V

2

GND

—

Ground

s

PSDO

O

Parallel->Serial Output to MB

4

PSDI

I

Serial Input to Parallel from MB

5

PLatch

O

74595 Positive-Edge: Storage to Output 74165 H:Shift; L:Parallel Load

ó

PSCK

O

Serial CLK

l

PWR_SAVE

I

Power Save mode: Active Low

S

PWRON_SW

I

Power On Switch: Trigger Low

Table 7-6. J5 - CIS Assy.

Pin

Signal Name

I/O

Function

l

OS

I

Signal OUT

2

MODE

O

Resolution Switch Select

s

VAD

—

Analog Power 5V

4

GND

—

Ground

5

CLK

I

Master Clock

ó

VCC

—

Digital Power 3.3V

l

TR

O

Start pulse

S

LED CA

—

LED Common Anode

9

LED B

O

LED cathode (Blue)

lQ

LED G

O

LED cathode (Green)

ll

LED R

O

LED cathode (Red)

l2

GND

—

Ground (For LED Shielding)

Pin

Signal Name

I/O

Function

l

SMOUTlA

O

Phase drive signal (1A)

2

SMOUTlB

O

Phase drive signal (1B)

s

SMOUT2A

O

Phase drive signal (2A)

4

SMOUT2B

O

Phase drive signal (2B)

Table 7-8. J7 - CR Motor

Pin

Signal Name

I/O

Function

l

PMOUTlA

O

CR Motor drive signal (lA)

2

PMOUTlB

O

CR Motor drive signal (lB)

Pin

Signal Name

I/O

Function

l

PMOUTsA

O

PF Motor drive signal (sA)

2

PMOUT4A

O

PF Motor drive signal (4A)

s

pmoutsb

O

PF Motor drive signal (sB)

4

PMOUT4B

O

PF Motor drive signal (4B)

Pin

Signal Name

I/O

Function

l

PAPER_SEN

I

PE Sensor signal

2

GND

—

Ground

s

PEV

—

Power supply for PE Sensor