Brother HL-2400C Service Manual page 307

2. DIAMETER / CIRCUMFERENCE OF ROLLERS
The diameter or circumference of each roller is listed below;
No.
1 OPC Belt
2 Developer Roller
3 Transfer Roller
4 Paper Pick-up Roller
5 Transfer Drum
6 Back-up Roller
7 Fuser Roller
8 Drum Cleaner
9 Cleaning Roller
10 Register Roller
11 Paper Exit Roller
Parts Name
A-4
Diameter (Circumference)
(380 mm)
φ 18 mm
(56.52 mm)
φ 20 mm
(62.80 mm)
φ 40 mm
(125.60 mm)
φ 121 mm
(379.94 mm)
φ 32 mm
(100.48 mm)
φ 32 mm
(100.48 mm)
φ 25 mm
(78.50 mm)
φ 18 mm
(56.52 mm)
φ 13.5 mm
(42.39 mm)
φ 16 mm
(50.24 mm)