Ricoh FT5034 Service Manual page 117

White Copy
BCP Power Pack
1
2 T/C Power Pack
Development
3
Roller
Bias Voltage
4
Action
1. Check the charge corona wire
2. Check CN101-A17 on the main board
goes from 5 to 0V
3. Check between conn. #1 ~ #14 on the
BC power pack
4. Check between conn. #1 ~ #10 on the
BC power pack
5. Check the BCP output
1. Check the transfer corona wire
2. Check CN101-B17 (Main board)
3. Check the T/S output
1. Check the Development Roller
2. Check the Development Roller Gear
1. Check the Bias Voltage
CN101-A20, B20, B21, A23 (Main Board)
- 116 -
Remarks
H L H:5V
OFF ON L:
less than 0.5V
[Check method]
Switch on and make a
copy, and then check the
voltage between the
development sleeve shaft
and the body of the
copier.