31
2
v Drum Driving Section..................................................75
1. Description...............................................................75
2. Function of Parts ....................................................76
(1) Drum Stop / JAM Detection Position Sensor....76
(2) Master Set / Removal Position Sensor..............77
(3) JOG Switch 1,2(Drum Rotation Switch 1,2).....78
(4) Control of the Main Motor.................................79
1. Rotation Speed Control by Encoder Sensor ...80
2. Selecting the Speed..........................................80
b Press Section...............................................................81
1. Description...............................................................81
(1) Press Roller Timing & Printing Area................81
2. Function of Parts ....................................................83
(1) P-Roller Sensor...................................................83
(2) Switching the Contact Pressure........................84
1. Contact pressure position sensing..................85
n Paper Ejection Section................................................86
1. Description...............................................................86
2. Function of Parts ....................................................87
(1) Paper Stripper Finger........................................87
(2) Top Blow Fan......................................................88
(3) Paper Ejection Jam Sensor ...............................89
1. Paper JAM Detection Timing .........................90
(4) Paper Ejection Belt ............................................91
1. Paper ejection belt speed.................................91
(5) Paper aligning mechanism ................................92
m Drum Section ...............................................................93
1. Description...............................................................93
2. Circuit.......................................................................94
3. Function of Part.......................................................95
(1) Ink Detection......................................................95
1. LED Display and Output Signal on
the Ink Detection PCB Unit............................96
2. "CHANGE INK" Display Timing....................97
(2) Ink Roller Up / Down Mechanism.....................98
(3) Ink Pump..........................................................100
(4) Drum Detection Switch....................................101
(5) Fine Start Mode................................................102
(6) Drum Shift Mechanism....................................103
(7) Front Cover Detection Switch .........................104
, Option .........................................................................105
(1) TAPE CLUSTER ..............................................105