Electrical/Mechanical Component Layout - Ricoh FT7770 Service Manual

2.2 ELECTRICAL/MECHANICAL
Scanner Motor (M2)
1
2 ROM PCB
Monitor PCB
3
Main PCB
4
Main Motor
5
Pressure Roller
6
7 Fusing Lamp Relay 1 The electrical capacity has been
Fusing Lamp Relay 2 increased to improve reliability.
8
9 DF Main Board
COMPONENT
DC servomotor, power has been increasd
for greater speed.
The software has been changed.
Variable resistors for VSG and ADS are
put on this PCB for easier operation.
The software has been modified.
The variable resistors for VSG and ADS
have been removed.
DC servomotor, power has been
increased for greater speed.
The pressure roller is coated with teflon
for longer life.
The software has been changed.
15-3
10 August 1990
LAYOUT