User manual
Table of Contents
vi ProMaster 2500 User Manual
5. Preventive Maintenance
Theory of Operation ............................................................................................................5-2
TaskLink .........................................................................................................................5-2
Device Processing ..........................................................................................................5-2
Optics ..............................................................................................................................5-7
Switches ..........................................................................................................................5-7
Motors .............................................................................................................................5-7
Solenoids .........................................................................................................................5-8
Beam and Chucks ..........................................................................................................5-8
System Air Flow ............................................................................................................5-9
The Controller Board ..................................................................................................5-13
Power Supplies ............................................................................................................5-13
Dot Matrix Label Printer ............................................................................................5-15
Thermal Label Printer .................................................................................................5-17
Programming Electronics Boards and Assemblies .................................................5-19
Conditions Requiring Corrective Action........................................................................5-21
Device Jams ..................................................................................................................5-21
Faulty Printing .............................................................................................................5-22
Miscellaneous ...............................................................................................................5-22
Corrective Adjustments ....................................................................................................5-24
Changing Dot Matrix Printer Ribbon Cassette .......................................................5-24
Changing Thermal Printer Ribbon ...........................................................................5-24
Adjusting Dot Matrix Print Head Gap .....................................................................5-24
Adjusting Position of Print on Label (Dot Matrix Printer) ....................................5-25
Adjusting Position of Label on Device (Dot Matrix Printer) .................................5-25
Adjusting Press Bearings ............................................................................................5-26
Adjusting Print Position on the Label (Thermal Printer) ......................................5-26
Adjusting the Thermal Printer ..................................................................................5-27
Diagnostics..........................................................................................................................5-30
Running Diagnostic Tests with the Hood Up .........................................................5-30
Optic Test ......................................................................................................................5-31
Solenoid Test ................................................................................................................5-37
Motor Test ....................................................................................................................5-40
Cycle Parts ....................................................................................................................5-42
Print Test (Dot Matrix Printer) ..................................................................................5-46
Key/Display Test ........................................................................................................5-48
EEPROM Test ...............................................................................................................5-48
Communications Test .................................................................................................5-49
Programming Electronics Self-test ............................................................................5-50
Preventive Maintenance Procedures For Operators.....................................................5-55
Daily Procedures .........................................................................................................5-56
Periodic Cleaning ........................................................................................................5-56
Replacing the Dot Matrix Printer Ribbon Cassette ................................................5-57
Replacing a Thermal Printer Ribbon ........................................................................5-59
Repairing a Torn Thermal Printer Ribbon ...............................................................5-60
Preventive Maintenance Procedures For Service Technicians....................................5-60
Cleaning Guidelines ....................................................................................................5-61
Track Adjustments ......................................................................................................5-64
Maintenance Intervals.......................................................................................................5-67










