2 (E)
UP-D898MD/X898MD
3-5. Switching Regulator ................................................ 3-14 (E)
3-5-1. Replacement of Switching Regulator ............3-14 (E)
3-5-2. Total Power on Time Reset ............................ 3-15 (E)
3-6. MD General Assembly ............................................3-16 (E)
3-7. Thermal Head .......................................................... 3-17 (E)
3-7-1. Replacement Flow Chart ...............................3-18 (E)
3-7-2. Sample (Gray) Printing ..................................3-19 (E)
3-7-3. Replacement of Thermal Head ......................3-20 (E)
3-7-4. Density Adjustment (Thermal Head Voltage
Adjustment) ...................................................3-23 (E)
3-7-5. Input of Thermal Head Information and
Reset of Total Print Count..............................3-24 (E)
3-8. Stepping Motor/DC Motor Assembly .....................3-25 (E)
3-9. Cam Assembly.........................................................3-29 (E)
3-10. Platen Roller ............................................................ 3-31 (E)
3-11. Timing Belt..............................................................3-33 (E)
3-12. Pinch Arm Block Assembly ....................................3-35 (E)
3-13. Check (Self-diagnosis) ............................................3-36 (E)
4. Circuit Description
4-1. Outline .......................................................................4-1 (E)
4-2. MA-195 Board .......................................................... 4-1 (E)
4-3. KY-711 Board............................................................4-2 (E)
4-4. SE-1142 Board ..........................................................4-2 (E)
4-5. SE-1143 Board ..........................................................4-2 (E)
4-6. SU-167 Board ............................................................4-2 (E)
5. Spare Parts
5-1. Notes on Repair Parts ...................................................... 5-1
5-2. Exploded Views ............................................................... 5-2
5-3. Packing Materials & Supplied Accessories ................... 5-14
6. Diagrams
Overall ............................................................................. 6-1
Frame Wiring...................................................................6-2
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