IBM 4247 Maintenance Information page 150

Description of Failure
Buzzer sounds continuously.
Printing stops or slow printing.
Printhead carriage only moves approximately 1 inch.
Printing starts to print 1 line, then printer hangs.
Printhead crashes into left or right side frame, or the margins
shift.
Results of adjusting AFTA wheel vary on same paper-weight.
Fanfold paper does not load or feed. No paper movement.
Manual sheet feed paper does not load or feed. No paper
movement.
ASF paper does not load or feed. No paper movement.
Fanfold paper jams.
Manual sheet feed jams.
ASF feed jams.
Fanfold paper print line skew. Print line too high or low on one
end of line.
Single sheet feed print line skew. Print line too high or low on
one end of line.
Action
Install a new logic board.
For Model A00, see page "Logic Board - Model A00" on
page 370.
For Models 001 and 002, see page "Logic Board - Models 001
and 002" on page 378. Or "Logic Board - Model 003" on page
366.
Install a new operator panel.
See "MAP 0140: Printhead Drive" on page 70.
See "MAP 0140: Printhead Drive" on page 70.
See "MAP 0140: Printhead Drive" on page 70.
See "MAP 0140: Printhead Drive" on page 70.
See "Standard AFTA Service Check and Adjustment" on
page 285.
See "MAP 0130: No Paper Movement" on page 62.
See "MAP 0130: No Paper Movement" on page 62.
See "MAP 0110: Automatic Sheet Feeder" on page 26.
See "MAP 0190: Form Feed Problems" on page 101.
See "MAP 0190: Form Feed Problems" on page 101.
See "MAP 0110: Automatic Sheet Feeder" on page 26.
See "Paper Path Service Checks" on page 301.
See "Manual Sheet Feed Path Check" on page 317.
Chapter 1. Diagnosing Problems
150