Brother HL 1240 - B/W Laser Printer Service Manual page 161

APPENDIX 2. DIAMETER / CIRCUMFERENCE OF ROLLERS
The diameter and circumference of each roller are listed below;
No.
1 Paper Feed Roller
2 Transfer Roller
3 Photosensitive Drum
4 Heat Roller
5 Pressure Roller
Parts Name
A-3
Diameter (Circumference)

14.0 mm (44.0 mm)

15.20 mm (47.7 mm)

29.97 mm (94.1 mm)

25.0 mm (78.5 mm)

20.0 mm (62.8 mm)
APPENDIX