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X-18
4227-X00
Memory Module 4-22
Operator Panel 4-23
Paper Empty Sensor 4-23
Paper Feed Motor 4-26
Paper Guide 4-26
Paper Guide/Platen 4-26
Paper Select Lever 4-27
Paper Select Sensor 4-27
Paper Separator 4-28
Pinch Roller (Lower) 4-21
Power Supply 4-30
Power Supply Fan 4-30
Print Unit 4-30
Printhead 4-33
Printhead Cables 4-34
Ribbon Drive Motor 4-35
Right Side Frame 4-36
Sub Logic Board 4-38
TOF Sensor 4-23
Top C ove r 4-6
Upper Feed Roller 4-39
S
Safety Information x
Service Checks 2-10
Abnormal Print 2-18
ASF Auto Sheet Feeder 2-12
Auto Gap 2-10
Auto Sheet Feeder 2-12
Carrier Drive 2-14
Intermittent Problem 2-15
No Print 2-18
Operator Panel 2-19
Paper Feed 2-20
POST 2-24
Power Failure 2-25
Print Quality 2-27
Print Wire Drive Failure 2-28
Ribbon Drive 2-30
Tract or 2 2-31
Setting Printer Functions 1-8
Signal Connections 5-9
Block Diagram (4227-100)
5-20
Block Diagram (4227-200)
5-20
Main Logic Board - Auto Gap
Motor
5-16
Main Logic Board - Carrier Mo-
tor Cable #1
5-13
Main Logic Board - Carrier Mo-
tor Cable #2
5-15
Main Logic Board - Carrier Mo-
tor Cooling Fan (4227-
200)
5-14
Main Logic Board - Operator
Panel
5-15
Main Logic Board - Paper Feed
Motor
5-14
Main Logic Board - Parallel In-
terface Cable (4227-
100)
5-9
Main Logic Board - Parallel In-
terface Cable (4227-
200)
5-10
Main Logic Board - Ribbon Mo-
tor
5-16
Main Logic Board - Serial Board
(4227-200)
5-17
Main Logic Board - Tractor PSet
& Jam Sensors
5-16
Main Logic Board - Tractor 2
DIN
5-14
Main Logic Board - 5 V dc Pow-
er (4227-200)
5-15
Main Logic Board -Auto Gap
Sensor
5-13
Main Logic Board -Paper Empty
& TOF Sensors
5-13
Main Logic Board -Paper Select
Sensor
5-13
Main Logic Board -Sub Logic
Board (4227-200)
5-11, 5-12
Operator Panel Board - Ribbon
Cover Sensor
5-19
Power Supply-Main & Sug Log-
ic Board
5-9
Serial Board - Serial Cable
(4227-200)
5-17
Sub Logic Board - Printhead
(4227-100)
5-18