3 - 2
i950 Block Diagram
ASIC
MASKROM
16Mbit
USB
I/F
Motor IC
EEPROM
2Kbit
LED
ASF
Motor
PG
Motor
CR
Motor
LF
Motor
Motor IC
Lift Up
Motor
MPU
Clock
Power
Button
Resume
Button
Door
Sensor
From
Ink Sensor
Auto Sheet
Feed Sensor
Paper End
Sensor
Photo
Sensor
BJ
HEAD
SW R
Motor IC
USB 2.0
Chip
USB
I/F
USB 2.0
Chip Clock
Voltage
Regulator
Voltage
Regulator
Summary of Contents for i550
Page 5: ...3DUW Maintenance ...
Page 17: ...1 12 1 i850 Test print sample Figure 1 6 Service Test Print Sample i850 ...
Page 18: ...1 13 1 i950 Test print sample Figure 1 7 Service Test Print Sample i950 ...
Page 21: ...3DUW Technical Reference ...
Page 28: ...3DUW Appendix ...
Page 46: ...3 18 121 1 ...