Monarch 9820TM, 9830TM, 9835TM

9820/9830/9835 Service Manual Model 926 Knife

70 TC9830SM Rev. B 7/98 Confidential July 1998

Contents

Main Table of Contents CHAPTER 1 PRINTER OVERVIEW & INSTALLATION---------------------------------------------1 CHAPTER 2 FUNCTIONAL DESCRIPTION-----------------------------------------------------------7 CHAPTER 3 TROUBLESHOOTING------------------------------------------------------------------- 13 CHAPTER 5 TESTS AND ADJUSTMENTS--------------------------------------------------------- 23 CHAPTER 6 SERVICE PROCEDURES -------------------------------------------------------------- 27 CHAPTER 8 SUPPLY SENSING SYSTEMS-------------------------------------------------------- 37 APPENDIX A PRINTER ERROR/STATUS CODES ----------------------------------------------- 43 APPENDIX B CONNECTORS AND CABLES------------------------------------------------------- 51 APPENDIX E 926 KNIFE ASSEMBLY---------------------------------------------------------------- 65 List Of Tables List of Figures Page Safety Summary CAUTION Personal Safety Page CHAPTER 1 PRINTER OVERVIEW & INSTALLATION PRINTER FEATURES PRINTER OPTIONS PRINTER SPECIFICATIONS STOCK SPECIFICATIONS UNPACKING THE PRINTER DOCUMENTATION SETTING DIP SWITCHES FUSE REPLACEMENT CONNECTING TO A HOST Page 6TC9830SM Rev. B 7/98 Confidential July 1998 Lower DIP Switches: NOTE: DIP Switches for Version 5.2 or greater are shaded. CHAPTER 2 FUNCTIONAL DESCRIPTION OVERVIEW OF MODULES Power Transformer Assembly CONTROL BOARD ASSEMBLY Printer Control Operator Control Panel PRINT ASSEMBLY (IR LED) Ribbon Transfer Rollers Sensor Printhead Latch Printhead Locking SUPPLY HOLDER ASSEMBLY CONTROL PANEL ASSEMBLY CHAPTER 3 TROUBLESHOOTING PRELIMINARY CHECK ANALYZING FAILURE DURING POWER UP EVALUATION OF A 616 ERROR (DOT SHIFTING FAILED) EVALUATION OF A 704 ERROR (OUT OF SUPPLY) EVALUATION OF A 754 ERROR (OUT OF RIBBON) EVALUATION OF A 755 ERROR (PRINTHEAD OPEN) EVALUATION OF A 765 ERROR (PRINTHEAD FAILURE) EVALUATION OF THE CONTROL BOARD ASSY. EVALUATION OF COMMUNICATIONS GENERAL TROUBLESHOOTING SUGGESTIONS Page CHAPTER 4 DIAGNOSTICS Printhead Dot Resistance TEST LABEL MATERIALS REQUIRED: SERVICE DIAGNOSTICS Accessing Diagnostic Modes Data Dump Mode Serial Loop Back Test TOOLS REQUIRED Parallel Port Test Diagnostics Test Mode Performing a Virgin Printer Reset Page CHAPTER 5 TESTS AND ADJUSTMENTS SERVICE TESTS CN6 Power Supply Continuity Tests WARNING Print Contrast Adjustment TOOLS REQUIRED Platen Motor Gear Adjustment TOOLS/MATERIALS REQUIRED Ribbon Tension Adjustment CHECKING SUPPLY QUALITY DIAGNOSTICS l1568 034 124 Y r lUser Diag. r USER DIAG Page CHAPTER 6 SERVICE PROCEDURES MAINTENANCE OVERVIEW GENERAL SAFETY TIPS CONTROL PANEL REMOVAL COVER HOUSING REMOVAL POWER TRANSFORMER ASSEMBLY Transformer Removal Bridge Rectifier Removal AC Inlet Removal Control Board Assy. Removal PRINT ASSEMBLY Bi-Cell Emitter Removal Upper Supply Guide Removal Printhead Module Removal Ribbon Spool Assembly Removal Ribbon Roller Assembly Removal FEED ASSEMBLY Latch Fascia Removal WARNING Platen Module Removal Platen Module Replacement Bi-Cell Sensor Removal Lower Supply Guide Removal Bi-Cell Sensor Replacement Lower Supply Guide Replacement SUPPLY HOLDER Supply Holder Removal PLATEN MOTOR Platen Motor Removal PEEL MODULE Page CHAPTER 7 USING FLASH FLASH DOWNLOADING PROCEDURES Page CHAPTER 8 SUPPLY SENSING SYSTEMS SUPPLY DETECTION/TRACKING SYSTEM SUPPLY DEFLECTOR/BI- CELL EMITTER (IR LED) LOWER SUPPLY GUIDE/BI- CELL SENSOR SUPPLY FEEDING SUPPLY SENSING MECHANICAL ADJUSTMENTS Bi-Cell Sensor Adjustment REPLACING A SENSOR SENSOR SETUP WITH VERSION 5.2 OR GREATER POWER UP SENSOR RECOGNITION Performing a Sensor Display Test APPENDIX A PRINTER ERROR/STATUS CODES READING AN ERROR LABEL DATA ERRORS (001 - 499) Page Page Page COMMUNICATION FAILURES (410 - 499) DATA FORMATTING FAILURES (571 - 619) MACHINE FAULTS (700 - 766) Page HARD PRINTER FAULTS (900 - 910) FLASH FAULTS (930 - 940) FAULTS (950 - 999) APPENDIX B CONNECTORS AND CABLES Page Page Page Daughter Board Connectors Page July 1998 TC9830SM Rev. B 7/98 Confidential 57 APPENDIX C CONNECTOR LOCATIONS Figure C- 1. Control Board Assy. (Mother Board) Legend: Page APPENDIX D MODEL 928 STACKER SPECIFICATIONS FUNCTIONAL DESCRIPTION INSTALLATION TROUBLESHOOTING Error Messages Alignment CABLES AND CONNECTORS Page LUBRICATION MAINTENANCE PROCEDURES REPLACE ROLLERS Replacing Transport Assembly Replace DC Motor Replace Stepper Motor Replace Stacker Sensors Replace Power Supply Replace Control Board APPENDIX E 926 KNIFE ASSEMBLY KNIFE SPECIFICATIONS TAG CUT DIMENSIONS FUNCTIONAL DESCRIPTION TROUBLESHOOTING LUBRICATION MAINTENANCE OVERVIEW GENERAL SAFETY TIPS Model 926 Knife 9820/9830/9835 Service Manual July 1998 TC9830SM Rev. B 7/98 Confidential 67 Figure E-3. Knife Assembly. Blade Assembly Replacement Drive Board Replacement Motor Replacement CONNECTORS AND CABLES