Casio M-U420 - 1.4.2 Detection Mechanism; 1.4.3 Print Mechanism; 1.4.4 Paper Feed Mechanism; 1.4.6 Ribbon Feed Mechanism

2.1.3 Operating the Release Levers ............................................................................................11
Function ..............................................................................................................................11
Clamshell Access ...............................................................................................................11
2.1.4 Installing and Removing the Ribbon Cassette................................................................... 12
Installing the Cassette ....................................................................................................... 12
Removing the Cassette ..................................................................................................... 12
2.1.5 Installing and Removing the Stamp Assembly .................................................................. 12
Installing the Stamp Assembly ........................................................................................... 12
Removing the Stamp Assembly ......................................................................................... 12
2.1.6 Stamp Assembly Ink Refill ................................................................................................. 13
2.1.7 Replacing the Stamp Face ................................................................................................ 13
Disassembly ...................................................................................................................... 13
Reassembly ....................................................................................................................... 13
2.2 Maintenance ................................................................................................................................ 14
2.2.1 Cleaning ............................................................................................................................ 14
2.2.2 Inspection .......................................................................................................................... 14
Daily Check ....................................................................................................................... 14
Periodic Inspection ............................................................................................................ 14
2.3 Lubrication ................................................................................................................................... 15
2.3.1 Lubricant Types ................................................................................................................. 15
2.3.2 Lubrication Standards........................................................................................................ 15
2.3.3 Lubrication Sites ................................................................................................................ 15
2.3.4 List of Lubricants and Adhesives ....................................................................................... 17
2.4 Tools ........................................................................................................................................... 17
2.4.1 List of Tools........................................................................................................................ 17
2.5 Repair .......................................................................................................................................... 17
2.5.1 Repair Levels..................................................................................................................... 17
2.5.2 Repair Procedure .............................................................................................................. 17
2.5.3 Repair Guidelines .............................................................................................................. 18
Arrangement of Connector Terminal .................................................................................. 24
CHAPTER 3 (DISASSEMBLY, ASSEMBLY,AND ADJUSTMENT)
3.1 Disassembly ................................................................................................................................ 25
3.2 Assembly ..................................................................................................................................... 25
Main Assemblies .......................................................................................................................... 26
Assembly 1 Installation of Fixing lever, J Fixing lever, R and Main motor sub ass'y .............. 26
Assembly 2 Assembly of Paper guide, lower unit ................................................................... 27
Assembly 3 Assembly of Take-up frame unit .......................................................................... 28
Assembly 4 Installation of Take-up frame unit and Paper guide, lower unit............................ 29
Assembly 5 Assembly of Driven plate ass'y............................................................................ 30
Assembly 6 Installation of Driven plate ass'y and Carriage drive pulley ................................. 31
Assembly 7 Assembly of Paper feed trigger ass'y .................................................................. 32
Assembly 8 Installation of Paper feed trigger ass'y ................................................................ 33
Assembly 9 Installation of Platen ass'y; Shaft, paper feed ass'y and Paper guide outlet ....... 34
Assembly 10 Assembly of Shaft, paper feed pressure ass'y .................................................... 35
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