Printronix L1024, Maintenance Manual

Page: 216 / 372

11–10 Chapter 11 – Laser Scanning Unit (LSU) Subsystem
2. Remove 4 Connectors of the LSU Cable from various points on the LSU. The Connectors are
for the Erase LED Assembly, the Laser Driver, the Polygon Motor, and the Beam Detector.
See Detail 11–2.
Top View
Detail 11–2. LSU Cables
3. Remove 3 Screws from the LSU Housing, then lift the LSU free of the LSU Base Plate.
See
Detail 11–2.
CAUTION: The LSU is a sealed assembly. Do not attempt to open the LSU or
repair it. Opening the LSU will cause it to become contaminated. If
there is a problem with the LSU, replace it.
11.3.2 Reassembly and Replacement
Reverse Steps 1 through 3 above.
NOTE: When reinstalling the unit, the LSU must be properly located and seated in
position by the locking pins in the LSU Housing and the holes in the LSU
Base Plate.
NOTE: When reinstalling the Top Cover onto the Clamshell, make sure the Latch
Assembly is properly oriented with the Release Lever.
See Detail 11–3.