Map 0200: 55 Afta Errors - IBM 4247 Maintenance Information

MAP 0200: 55 AFTA Errors

Symptom Explanation
55 AFTA ERROR
055 MACHINE CHECK
The AFTA sensor circuit did not detect that needle 5 (Model 002) or
5B (Models A00, 001, 003) moved at the correct time during the
AFTA routine. The needle either failed to extend or was not detected
when it was pushed back.
CAUTION:
The printhead may be hot. Wait for it to cool down.
Suspected FRUs/Causes
Printhead misaligned and loosely fastened
AFTA motor defective
22-conductor printhead cable (Models A00, 001, 003)
damaged or poor connection
26-conductor printhead cable (Model 002) damaged or poor
connection
Mechanical parts damaged or binding
Printhead defective
Logic board defective
Chapter 1. Diagnosing Problems
127