OKIDATA Pacemark 3410 Service Handbook page 9

2.2.04 Paper Feed Mechanism ................................................................................... 2-16
Friction (Sheet) Feed................................................................................................ 2-16
Tractor (Continuous) Feed ....................................................................................... 2-16
2.2.05 Paper-End Detection Mechanism ................................................................... 2-17
Friction Feed (Cut-Sheet) Paper-End....................................................................... 2-17
Continuous (Bottom) Feed Paper-End..................................................................... 2-17
Continuous (Rear) Feed Paper-End ......................................................................... 2-17
2.2.06 Automatic Paper Loading ............................................................................... 2-18
Cut-Sheet Paper ....................................................................................................... 2-18
Continuous Sheet (Rear Feed) SASF................................................................. 2-18
2.2.07 Paper Park Feature .......................................................................................... 2-19
SECTION THREE: MAINTENANCE
3.1 OVERVIEW .................................................................................................................... 3-1
3.1.01 General Information.......................................................................................... 3-1
3.1.02 Maintenance Items ............................................................................................ 3-2
3.1.03 Maintenance Precautions .................................................................................. 3-3
3.2 DISASSEMBLY/ASSEMBLY PROCEDURES ............................................................ 3-5
General Information................................................................................................... 3-5
3.2.01 Printhead (with Preliminary Items)................................................................... 3-6
3.2.02 Ribbon Protector Assembly .............................................................................. 3-8
3.2.03 Upper Cover Assembly................................................................................... 3-10
3.2.04 Operator Panel ................................................................................................ 3-12
3.2.05 Interface Connector Board.............................................................................. 3-14
3.2.06 Main Logic (CBNP) Board ............................................................................. 3-16
3.2.07 Printer Mechanism .......................................................................................... 3-18
3.2.08 Power Supply Unit.......................................................................................... 3-20
3.2.09 Printer Unit...................................................................................................... 3-22
3.2.10 BTFD PCB...................................................................................................... 3-24
3.2.11 Tension Spring ................................................................................................ 3-26
3.2.12 Bottom Push Mechanism and Front Door Assembly ..................................... 3-28
3.2.13 Drive Pulley and Belt...................................................................................... 3-30
3.2.14 Tractor Assembly (BTF)................................................................................ 3-32
3.2.15 Line Feed Motor (BTF) .................................................................................. 3-34
3.2.16 Platen Assembly.............................................................................................. 3-36
3.2.17 Paper Pressure Guide. ..................................................................................... 3-38
3.2.18 Line Feed Motor Assembly ............................................................................ 3-40
3.2.19 Ribbon Cartridge Bracket ............................................................................... 3-42
3.2.20 Fan Assembly.................................................................................................. 3-44
3.2.21 Head Cable Assembly..................................................................................... 3-46
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