IBM 4247 - Model 001 B/W Dot-matrix Printer, User Manual

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Problem: Wavy print lines
1: The Automatic Forms Thickness Adjustment (AFTA) setting for the paper source
|
you are using needs to be changed. Paper must be loaded for this adjustment
|
to be effective.
Solution: See the procedure for adjusting the forms thickness setting through
the operator panel in Chapter 11, “Printer Adjustments.”
2: The forms are loaded incorrectly.
Solution: Check to see that the forms are properly loaded.
Problem: Ribbon snagging, tearing, or not moving
1: The ribbon is worn.
Solution: Replace the ribbon cartridge. See “Removing the Ribbon Cartridge”
in Chapter 19, “Supplies, Optional Features, and Maintenance.”
2: The ribbon cartridge is not properly installed.
Solution: Remove and then reinstall the same ribbon. See “Removing the
Ribbon Cartridge” in Chapter 19, “Supplies, Optional Features, and
Maintenance.” If the ribbon still does not move, replace the ribbon.
3: The Automatic Forms Thickness Adjustment (AFTA) setting for the paper source
|
you are using needs to be changed. Paper must be loaded for this adjustment
|
to be effective.
Solution: See the procedure for adjusting the forms thickness setting through
the operator panel in Chapter 11, “Printer Adjustments.”
4: The print head is catching on the ribbon.
Solution: Call for service if, after doing Automatic Forms Adjustment, the Fixed
8 is offset 3.
Problem: Ribbon moves continuously
1: The ribbon drive circuit is failing.
Solution: Call for service.
Problem: Line-to-line horizontal misregistration
1: The dot registration of the characters printed is not aligned.
Solution: See the Bidirectional Adjustment in Chapter 11, “Printer
Adjustments.”
Chapter 20. Problems
20-27