Service manual

5 • Removal & Replacement
5-4 DM300c/DM400c/DM475 Service Manual (SV61801 Rev. D)
Printer/Base (use for all models)
5.5 Control
Panel Ribbon
Cables
1. Remove the back cover, control
panel and sub-cover (sections
5.2,5.3, and 5.4).
2. Disconnect the ribbon cables
from the control panel PCB.
3. Snake the ribbon cables through
the hole in the machine frame.
4. Remove the blue ground strap,
the harness from the clamp and
the ferrite core (figure, right).
5. Remove the two harness con-
nectors from the board.
6. Reassemble in reverse order.
5.4 Front
Sub-Cover
1. Remove the back cover and con-
trol panel (sections 5.2 and 5.3).
2. Remove 4 screws securing front
sub-cover (Figure 5-9).
3. Lift cover off base.
5.3 Control
Panel
Figure 5-5 Removing Control Panel
Figure 5-6 Control Panel Harness
Figure 5-7 Control Panel Assembly
Figure 5-9 Sub-Cover Mounting Screws
Control panel
harnesses
Figure 5-10 Control Panel Harness
Connections at Main Logic Board
Figure 5-8 Control Panel and Display
Assembly (for Reference)
Ferrite Core
Clamp
Ground Strap
Connectors