User Guide

Engine controller unit
1. Remove the following assemblies.
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Scanner assembly. See
Scanner assembly on page 67.
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Left cover. See
Device side covers on page 82.
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Rear cover and fuser cover. See
Rear cover and fuser cover on page 86.
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Print cartridge door. See
Print-cartridge door on page 85.
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Front cover. See
Front cover on page 88.
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Scanner support frame. See
Scanner support frame on page 95.
2. Remove four screws (callout 1).
Figure 6-56 Remove the ECU (1 of 6)
98 Chapter 6 Removal and replacement ENWW