HP LaserJet Enterprise M506, LaserJet Pro M501, LaserJet Enterprise MFP M527. Repair Manual
The printer uses a fi eld repair strategy. Defective parts are diagnosed and replaced at the Field Replaceable Unit (FRU) or Bench Repairable Unit (BRU) assembly level. Repair normally begins by using the printer internal diagnostics and the following two-step process:
1. Isolate the problem to the major system (for example, the network, server, or printer).
2. Identify the cause of failures according to the printer troubleshooting service manual and follow the disassembly procedures to replace the defective parts or the consumable parts.
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The printer uses a fi eld repair strategy. Defective parts are diagnosed and replaced at the Field Replaceable Unit (FRU) or Bench Repairable Unit (BRU) assembly level. Repair normally begins by using the printer internal diagnostics and the following two-step process: