![During preventative maintenance on a dot matrix printer, do NOT lubricate](https://www.gkseries.com/blog/wp-content/uploads/2022/04/During-preventative-maintenance-on-a-dot-matrix-printer-do-NOT-lubricate.png)
Q. During preventative maintenance on a dot matrix printer, do NOT lubricate:
A. Platen assembly
B. Print head pulley
C. Print head pins
D. Paper advance gear bushings
Answer: Print head pins
A. Platen assembly
B. Print head pulley
C. Print head pins
D. Paper advance gear bushings
Answer: Print head pins
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