During preventative maintenance on a dot matrix printer, do NOT lubricate

During preventative maintenance on a dot matrix printer, do NOT lubricate

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

Gkseries: Gkseries.com is a premier website to provide complete solution for online preparation of different competitive exams like UPSC, SBI PO, SBI clerical, PCS, IPS, IAS, IBPS PO, IBPS Clerical exam etc. & other graduate and post-graduate exams. Learn more on about us page