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Table of Contents
........(5) Lubrication points -- 1. Ribbon feed gear Assy.
........2. Space rack
........3. Platen Assy.
........4. Tractor driving mechanism
........5. Tractor drive shaft
........6. Pressure roller
........7. Pull up roller Assy.
........8. Main chassis Assy.
........9. Carriage Assy.
6 Troubleshooting and Repair
6.1 Items to Check Before Repair
6.2 Troubleshooting Table
6.3 Lamp Display
6.4 Connection Circuit Check for Printhead and SP/LF Motor
........(2) Line Feed Motor
........(3) Space Motor
6.5 Troubleshooting Flow Charts
........2 No Spacing Operation (The Alarm LED Blinks)
........3 Homing does not end normally
........4 Paper jam while paper insertion
........5 Smearing/Missing Dots
........6 Faint or dark print
........7 Ribbon feed trouble
........8 Line feed trouble
........9 Malfunction of switch on operation panel
........10 Data receiving failure
A PCB Layout
APPENDIX A: PCB LAYOUT
B Parts Listing
SPARE PARTS LIST
....Upper Cover Assembly (Figure 11-1)
....Printer General Assembly (Figure 11-2)
....Printer Unit (Figure 11-3 ) [1 of 2]
....Printer Unit (Figure 11-3 ) [2 of 2]
....Carriage Option Assembly (Figure 11-4)
....Option Spare Parts (Figure 11-5)
C RS-232C Serial Interface Board
APPENDIX C: RS-232C SERIAL INTERFACE BOARD
C2. Operation Description
........C2.2.01 Operation at Power On
........C2.2.02 RS-232C Interface
....C2.3 Communication Procedure Flowchart
........C2.3.02 Mode B (Figure C-2-3)
C3. Troubleshooting Flowcharts
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