Xerox M20 - WorkCentre B/W Laser, Service Manual

Page: 151 / 314

December 2006
4-53 WorkCentre M20, 4118, FaxCentre 2218 Family
REP 14.1
Repairs and Adjustments
REP 14.1 ELA HOU - Scanner Assembly
Parts List on PL 14.10, PL 14.11 and PL 14.13
Removal
WARNING
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
WARNING
Take care during this procedure. Sharp edges may be present that can cause injury.
CAUTION
Before performing this procedure, refer to General Disassembly Precautions, GP 10.
NOTE: If necessary, refer to GP 20 for the acronym list and cross reference lists of more com-
monly recognised part names.
NOTE: The M20F, 4118 and 2218 procedures are similar. The M20F is shown in Figure 1, Fig-
ure 2, Figure 3, Figure 4, Figure 5, Figure 6 and Figure 7.
1. (M20F/2218) Remove the ELA HOU - DADF, perform REP 5.1 steps 1 through 4.
(4118) Remove the ELA HOU - ADF, perform REP 5.2 steps 1 through 3.
2. Remove the MEA unit - rear cover, REP 4.2.
3. Disconnect the CCD and scan harness from the main PBA. Disconnect 2 ground har-
nesses (M20F) or 1 ground harness (4118/2218) from the shield P main lower, Figure 1.
Figure 1 Harness removal
4. Remove 3 securing screws from the rear of the machine, Figure 2.
Figure 2 Screw removal
5. Open the ELA HOU - side cover assembly and the MEA unit - cover front assembly, Fig-
ure 3.
Figure 3 Opening covers
1
Disconnect the CCD
and scan harness.
2
Disconnect 2 ground
harnesses (M20F) or 1
ground harness (4118/
2218).
1
Remove 3 screws.
MEA unit - cover front
assembly.
ELA HOU - side cover
assembly.