Brother MFC990CW Service Manual page 291

6.2 LUBRICATION
Apply the specified lubricants to the lubrication points as shown below.
Lubricant type
(Manufacturer)
Permalub BAN-5
(Nippon Koyu)
FLOIL BG1319
(Kanto Kasei)
Molykote EM-30LP
(Dow Corning)
Head/carriage unit
Apply a 1.5 mm diameter ball of grease (Permalub BAN-5) to the lubrication points below.
Head/carriage unit
Motor plate and CR guide rail
(bottom edges)
Switching lever guide
CR guide rail (upper face)
CR support chassis (upper face)
CR support chassis (front and
rear sides of upright rear edge)
Document pull-in roller
Document separation roller
Paper pull-in idle gear
Paper pull-in roller L
Apply grease here.
Head/carriage unit
Lubrication points
*
*
6-107
Lubricant amount
per point
1 1.5 mm diameter ball
4 1 mm diameter ball
1 3 mm diameter ball
8 2 mm diameter ball
8
22
2 2 mm diameter ball
2 2 mm diameter ball
1 3 mm diameter ball
2 1 mm diameter ball
* For models with ADF
(6_90)
Confidential