General Procedures and Information
Phaser 3435 5/08 6-19
Developing Roller 
• Roller type: conductive elastic roller 
• Rotary Speed: 203.06 mm/sec 
• Roller Bias: -220V ~ -400 20V 
• Control Type: Bias PWM Control type 
• Roller material: Conductive NBR + Surface UV process 
-Structure: Mono layer 
-Resistance: 1.0E+03~ 1.5E+06 ohms (N/N Condition) 
- Hardness: 52 degrees +/-5 degrees 
-Valid Length: 228 mm 
- OD: 14.07 mm  +/-0.05 
-Shaft material: SUS 303 
-Surface roughness (Ra): Ra 2.0 ~ 2.5 (Circular-direction) 
-Friction coefficient (u): 0.1 ~ 0.5 (70gf, 50mm/min, OHP (3M,#CG3300))
-Life: 100,000 sheets or more
Supply Roller 
• Rotary Speed: 131.98 mm/sec
• Roller Bias: -370V ~ -550V 
• Control Type: Bias 
• Roller material: Nylon Fur
-Structure: Closed cell 
- Resistance: 0.6E+05 ~ 3.0E+06 ohms (N/N cond.) 
- Hardness: 16 ~ 25 degrees (Asker "C") 
- Valid Length: 218 mm 
- OD: 11.2 +/-0.1 mm 
- Shaft material: SUM 24L Non-electrolysis Ni. Coating 
- Shaft OD: 8.2 mm + 0 / -0.05 
- Driver: Gear Driver (in a direction opposed to D/R) 
- Sponge Density: 0.45, +/-0.1 g
- Life: 10,000 sheets or more 
Regulating Blade   
• Type: Regulating toner layer by pressure 
• Material: SUS 301 1/2H CSP t0.08 
• Valid Length: 228mm 
• Voltage: -420V ~ -600V 
• Regulating edge R value: 0.3 +/-0.02mm 
• Pressure: 42 gf/cm