Olivetti PG L22 Special, Service Manual, Page: 6 / 165

Y103920-3 Service Manual
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5. CONNECTION DIAGRAM ............................................................................ 135
5.1 Interconnection Diagram ......................................................................................... 135
5.2 PCB Layout ............................................................................................................. 135
6. PARTS LIST ................................................................................................. 136
APPENDIX G HIGH CAPACITY SECOND PAPER FEEDER .................................. 138
1. OUTLINE ...................................................................................................... 138
1.1 Functions ................................................................................................................ 138
1.2 External View and Component Names ................................................................... 138
2. MECHANISM DESCRIPTION ...................................................................... 139
2.1 General Mechanism ................................................................................................ 139
2.2 Hopper Mechanism ................................................................................................. 139
3. PARTS REPLACEMENT .............................................................................. 140
3.1 Precautions Concerning Parts Replacement .......................................................... 140
3.2 Parts Layout ............................................................................................................ 141
3.3 Parts Replacement Methods ................................................................................... 142
3.3.1
Stepping Motor (Hopping) ......................................................................... 143
3.3.2 TQSB-2 PCB ............................................................................................ 145
3.3.3 Hopping Roller Shaft Assy and One-way Clutch Gear .............................. 145
4. TROUBLESHOOTING .................................................................................. 146
4.1 Precautions Prior to the Troubleshooting ................................................................ 146
4.2 Preparations for the Troubleshooting ...................................................................... 146
4.3 Troubleshooting Method ......................................................................................... 147
4.3.1
LCD Status Message List ......................................................................... 147
5. CONNECTION DIAGRAM ............................................................................ 149
5.1 Interconnection Diagram ......................................................................................... 149
5.2 PCB Layout ............................................................................................................. 149
6. PARTS LIST ................................................................................................. 150
APPENDIX H NETWORK INTERFACE (OPTION) .................................................. 156