MAP 0140: Printhead Drive
Symptom Explanation
Suspected FRUs/Causes
56 PRINT ERROR
73 SW ERR 4 3 X
053 MACHINE CHECK ERR 3 X X
053 MACHINE CHECK ERR 4 3 X
056 MACHINE CHECK
Carriage Slams Into Sides
Printing Slows or Stops
Ribbon defective or incorrectly installed
Ragged tear-offs on continuous forms
Corner on the leading edge of the forms is catching in printhead
mask/mask damaged
Carriage belt tension is incorrect
Carriage belt clamp is loose
Carriage motor is defective / mounting hardware
Carriage belt idler is not turning
Printhead home sensor is dirty or defective
Mechanical interference
Printhead gap is incorrect
Logic board is defective
Power supply is for wrong AC voltage
Printhead is defective
Printhead cable is defective or has bad connection
Chapter 1. Diagnosing Problems
70
Summary of Contents for 4247
Page 1: ...4247 Printers Maintenance Information Document Number SA24 4400 05 Part Number 27P8450 IBM ...
Page 241: ...e90apc15 Figure 24 Main Input Power Supply Ground Chapter 3 Circuit Diagrams 241 ...
Page 257: ...Figure 32 Stacker Motor Wiring Chapter 3 Circuit Diagrams 257 ...
Page 261: ...Stacker Cable Wiring Figure 36 Tractor Assembly Cable Wiring Chapter 3 Circuit Diagrams 261 ...