Electrical Components; Controller Board (Gw+/Gdi); Types Of Controller Board; Replacement Procedure (Gw+ Controller) - Ricoh D158 Service Manual

4.13 ELECTRICAL COMPONENTS


Unplug the machine power cord before starting the following procedures.

4.13.1 CONTROLLER BOARD (GW+/GDI)


The battery on the control board can explode if replaced incorrectly.

Dispose of the old battery in accordance with the instructions.

Types of Controller board

There are two types of controller, depending on the machine.

GW+ controller board [A]: D158/D159

GDI controller board [B]: D160/D161

No controller board : D170

Replacement Procedure (GW+ Controller)

Before Replacing the GW+ Controller Board in the Model without HDD
When you replace the controller board in a model without a HDD, address book data can be
copied from an old controller board to a new controller board using an SD card.
Copy the address book data to an SD card from the flash ROM on the controller board with
SP5846-051 if possible.
1. Rear cover ( p.4-4)
2. Separate the BICU [A] from the CTL board [B] (
D158/D159/D160/D161/D170
x 5, x 2).
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Electrical Components
SM