Toshiba B-570 SERIES User Manual

Page 63

2-2

EM18-33010A

2. MAJOR UNIT REPLACEMENT

3) Disconnect the 13 connectors from the CPU PC board.

4) Remove the six screws (SM-3x6B, SM-3x6C) to detach the CPU PC board from the printer.

(Revision Date: Feb. 10, 2000)

2.1 REPLACING THE PS UNIT, I/F PC BOARD AND CPU PC BOARD

CAUTION:

Replace only with same type and ratings of fuse for continued protection against risk of fire.

1) Remove the three FL-4x6 screws and disconnect the two connectors to detach the PS unit.

2) Remove the FL-3x5 screw and the four locking supports to remove the I/F PC board.

Fig. 2-2

5) Replace the PS unit, I/F PC board and CPU PC board. Insert the connectors correctly and install

in the reverse order of removal above. Do not mount the left side cover and top cover.

Fig. 2-3

PS Unit

Screw (FL-4x6)

Screw (FL-3x5)

I/F PC Board

Screw (FL-4x6)

Connector

Locking Support

Screw (SM-3x6B)

CPU PC Board

Connector

Screw (SM-3x6B)

Connector

Screw (SM-3x6C)

Screw (SM-3x6B)

Connector