Star Micronics TSP200 technical manual Pulse Width by Pattern

Page 24

PRINCIPLES OF OPERATION

The feed-motor pulse width varies according to the strobe output pattern (where the output pattern is determined by the print rate, as described above). The following diagram shows the pulse width for each pattern.

Pattern 1

STB1

STB2

STB3

LF COMMON

T1 T1 T1

Pattern 2

STB1

STB2

STB3

LF COMMON

T2

T2

T2

Pattern 5

STB1

STB2

STB3

LF COMMON

T3

T3

T3

Fig. 2-12 Pulse Width by Pattern

– 20 –

Image 24

Contents TSP200 Series Page Introduction Page Chapter Specifications and Operation Page Specifications and Operation General SpecificationsExternal Appearance TSP200-120/230DIP-Switch Settings DIP switch #1 Factory settings of DIP switch 1 are all onSpecifications and Operation Specifications and Operation HEX dump mode Running a test printChapter Principles of Operation Page Block Diagram Principles of OperationPrinter Mechanism Interface Interface TypesCPU Data Arrangement and Printing ArrangementSTROBE1 STB1 STB2 STB3 Timing Chart 10 Motor Control by Phase 1-2 Excitation Feed-Motor Drive Circuit12 Pulse Width by Pattern Power-On Reset Circuit 13 Power-On Reset Circuit+5V Line Voltage Detector Circuit 14 Equivalent Circuit, Voltage Detection ICPrinter Mechanism Thermal PrintheadPaper-Feed Mechanism Detectors Paper-Out DetectorAuto-Cutter Drive circuit on TSP242-24/120/230 only 21 Cover-Open Detector23 Auto-Cutter Timing Chart Chapter Part Replacement and Related Adjustment Page Upper Case Unit Auto-Cutter UnitNear-End-Sensor Unit TSP242-24/120/230Power Unit TSP200-120/230 Power Unit TSP200-24Main Logic Board Fuses TSP200-120/230Fuses TSP200-24 Thermal-head UnitPage Chapter Maintenance and Lubrication Maintenance CleaningChecks Lubrication LubricantsApplication Method Lubrication PointsPage Chapter Parts List Printer Assembly Disassembly DrawingAFG 29 H Parts List TSP200-120/230 Printer AssemblyTSP200-120/230Printer AssemblyTSP200-24 TSP200-24TSP212 TSP242 Parts List Printer MechanismCutter Unit ACS-230STR Wiring Scheme of Printer STB1 VCC Gndh GND Init Error Slct CN7 Circuit Diagram Main Logic Board 2/6 Main Logic Board 3/6 Main Logic Board 4/6 Main Logic Board 5/6 Main Logic Board 6/6 Component Layout Main Logic Board RESIS. Array Chip Chip Resistor 4.7 K-OHM 1/10W DRWG.NO REV Parts no Parts Name ’TY Remarks Rank CN8 Power Supple Unit 120VAC/230VAC Power Supply Unit120VAC/230VAC Power Supple Unit 24VDC Circuit Diagram Component Layout Parts ListPaper Near-End Sensor Page Distributed by