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Service Guide ML520/521
Chapter 4 Failure & Repair Analysis
4.7.02 RAP Index
RAP Number Description
1No Power Supplied to Printer
2No Spacing Operation
3Printhead Homing Error
4Paper Jam During Paper Loading
5Printhead Not Firing Pins
6Poor Print Quality
7Ribbon Feed Problem
8Line Feed Problem
9Operator Panel Malfunction
10Parallel Interface Problem
11Serial Interface Problem
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