Brother HL-720 - B/W Laser Printer Service Manual page 140

NOTE FOR USING THIS PARTS REFERENCE LIST
1.In the case of ordering parts, it needs mentioning the following items:
(1) Code
(2) Q'ty
(3) Description
(4) Symbol ( PCB No., Revision , and Parts location mounted on the PCB.)
Note : No orders without Parts Code or Tool No. can be accepted.
< Example >
(4)
REF.NO. SYMBOL
Revision No. : marked on the printed circuit board.
B48K056 - 201A
2. Design-changed parts:
If the parts are changed, any one of the following symbols is indicated in the REMARKS column.
#A : compatible between old and new
#B : replaceable from old to new
#D : incompatible
# : newly established
3. The original of this list was made based on the information available in March,1996.
4. Parts are subject to change in design without prior notice.
(1) (2)
CODE Q'TY
(3)
DESCRIPTION
Design change indication
Specification No.
Pattern alteration No.
Circuit board No.
REMARKS