85
2
v Drum Driving Section ................................................129
1. Description .............................................................129
2. Function of Parts ...................................................130
(1) Home Position / Jam Detection
Position Sensor.....................................................130
(2) Master Attachment / Detachment
Position Sensor.....................................................131
(3) Jog Switch(Drum Rotator Switch).......................132
(4) Control of the Main Motor ...................................133
1. Rotation speed control by encoder sensor ........134
2. Selecting the speed ............................................134
b Press Section...............................................................135
1. Description .............................................................135
(1) Press Roller Timing & Printing Area ..................136
2. Function of Parts ...................................................138
(1) Press Roller (P Roll) Sensor .................................138
(2) Switching the Contact Pressure ..........................139
1. Contact pressure position sensing ....................140
2. Sensing of standard contact pressure
when power is turned on ...................................141
n Paper Ejection Section ...............................................142
1. Description .............................................................142
2. Function of Parts ...................................................143
(1) Paper Stripper Finger ..........................................143
(2) Top Blow Fan ........................................................144
(3) Jam Sensor ...........................................................145
1. Paper Jam Detection Timing ............................146
(4) Paper Ejection Belt...............................................147
1. Paper ejection belt speed...................................147
m Drum Section..............................................................148
1. Description .............................................................148
2. Circuit.....................................................................149
3. Function of Parts ...................................................150
(1) Ink Detection ........................................................150
1. LED Display and Output Signal on
the Ink Detection PCB Unit..............................151
2. "CHANGE INK" Display Timing ......................152
(2) Ink Roller Rise / Descent Mechanism..................153
(3) Ink Pump ..............................................................155
(4) Drum Switch.........................................................156
(5) Front Cover Open / Close Detection Switch........157
(6) Fine Start Mode....................................................158
1. Fine Start Mode Data........................................159
, Option .........................................................................160
(1) Tape Cluster..........................................................160