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Chapter 6 Troubleshooting
Problems with Print Quality
Printing on Roll Paper Is Blurred
The thermal head may be dirty. Execute thermal head cleaning.
“Cleaning the Thermal Head and Platen Roller” on page 79
Printing on Cut Sheets Is Blurry
The ink head may be clogged. Execute ink head cleaning.
“Ink Head Cleaning” on page 80
Problems with Reading Quality
Cannot Read Magnetic Ink Characters Correctly
The MICR head may be dirty. Execute MICR head cleaning.
“Cleaning the Paper Feeding Path” on page 80
Poor Cut Sheet or ID Card Reading Quality
The scanner glass may be dirty. Perform scanner cleaning.