Oki OKIPAGE18 Maintenance Manual page 5

Appendix A CENTRONICS PARALLEL INTERFACE ..................................... 168
Appendix B RS-232C SERIAL INTERFACE.................................................... 172
Appendix C Duplex Unit maintenance ........................................................... 174
1. OUTLINE ................................................................................................................... 174
1.1 Functions ...................................................................................................... 174
1.2 External View and Component Names......................................................... 174
2. MECHANISM DESCRIPTION ................................................................................... 175
2.1 General Mechanicsm .................................................................................... 175
2.2 JAM Release Mechanism ............................................................................. 176
2.3 Removing/Installing Duplex Unit................................................................... 177
3. PARTS REPLACEMENT ........................................................................................... 179
3.1 Precautions Concerning Parts Replacement................................................ 179
3.2 Parts Layout ................................................................................................. 181
3.3 Parts Replacement Methods ........................................................................ 182
3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
4. TROUBLESHOOTING ............................................................................................... 188
4.1 Precautions Prior to the Troubleshooting ..................................................... 188
4.2 Preparations for the Troubleshooting ........................................................... 188
4.3 Troubleshooting Method ............................................................................... 189
4.3.1
4.3.2
5. CONNECTION DIAGRAM ......................................................................................... 193
5.1 Interconnection Diagram .............................................................................. 193
5.2 PCB Layout .................................................................................................. 194
6. PARTS LIST .............................................................................................................. 195
Appendix D Second/ Third Paper Feeder Maintenance................................ 198
1. OUTLINE ................................................................................................................... 198
1.1 Functions ...................................................................................................... 198
1.2 Appearance and Parts Name ....................................................................... 198
2. Description of operartion ............................................................................................ 199
2.1 Driving Mechanism ....................................................................................... 199
2.2 Hopper Mechanism ...................................................................................... 201
3. PARTS REPLACEMENT ........................................................................................... 202
3.1 Precautions Concerning Parts Replacement................................................ 202
3.2 Parts Layout ................................................................................................. 204
3.3 Parts Replacement Methods ........................................................................ 205
3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
3.3.6
3.3.7
3.3.8 Roller feed .................................................................................................... 213
3.3.9 Bracket sub roller .......................................................................................... 214
3.3.10 Frame side (L) assy ...................................................................................... 215
3.3.11 Frame side (R) assy ..................................................................................... 216
40931201TH Rev. 4
Board-LEX ....................................................................................... 183
Connector (IMSA-9714N-14A) ........................................................ 184
Photo Sensor .................................................................................. 185
SOLENOID Assy ............................................................................. 186
Motor ............................................................................................... 187
LCD Status Message List ................................................................ 189
Troubleshooting Flow ...................................................................... 190
Roller assy hopping, Roller assy feed ............................................. 206
Cover front assy .............................................................................. 207
Board-BBB ...................................................................................... 208
Lever paper end, Lever paper near end .......................................... 209
Motor ............................................................................................... 210
Connector (IMSA-9714N-14B), Connector (IMSA-9714N-14A) ...... 211
Frange pulley, pulley Idle, Mini pitch belt, Plate Earth shaft,
Gear double, Tray switch assy ........................................................ 212
5 /