Specifications
4–28 Troubleshooting
Ribbon
MPU sensor
Hammer spring
Hammer coil
All Underlines An underline pattern useful for identifying hammer bank
misalignment.
Mechanism Driver board
Hammer tips
Paper feed belt or motor
Splined shaft bearings
Tractor bearings or belts
All Black All odd dot positions are printed, creating a solid black band.
Exercises shuttle and hammer bank at maximum capacity.
Mechanism Driver board
Power Supply board
Hammer spring
Hammer coil
Shuttle Slow Verifies proper operation by exercising shuttle motion at
low speed.
Shuttle Fast Verifies proper operation by exercising shuttle motion at
high speed.
Phasing A hammer timing parameter that permits you to adjust the
vertical alignment of dots in character printing.
Test Width Permits you to run tests at all available print widths.