Laser Printer SERVICE MANUAL HL-1030, 1240, 1250, 1270N

APPENDIX
A-3
APPENDIX 2. DIAMETER / CIRCUMFERENCE OF ROLLERS
The diameter and circumference of each roller are listed below;
No. Parts Name Diameter (Circumference)
1 Paper Feed Roller
φ 14.0 mm (44.0 mm)
2 Transfer Roller
φ 15.20 mm (47.7 mm)
3 Photosensitive Drum
φ 29.97 mm (94.1 mm)
4 Heat Roller
φ 25.0 mm (78.5 mm)
5 Pressure Roller
φ 20.0 mm (62.8 mm)
6 Development Roller
φ 20.0 mm (39.0 mm)