Asm
‑
index
—Identifies the item in the illustration
P/N
—Identifies the part number of a FRU 
Units/mach
—Refers to the number of units in a printer 
Units/opt
—Refers to the number of units in an option 
Units/FRU
—Refers to the number of units in a FRU
 
Description
—A brief description of the part
 
NS 
(not shown) in the Asm
‑
index column indicates that the part is procurable but is not shown in the
illustration.
PP 
(parts packet) in the Description column indicates that the part is contained in a parts packet.