3 Solve problems

237

Solve problems checklist

238

Menu map

240

Current settings pages

241

Preboot menu options

242

Troubleshooting process

243

Determine the problem source

243

Troubleshooting flowchart

243

Power subsystem

244

Power-on checks

244

Power-on troubleshooting overview

244

Tools for troubleshooting

246

Individual component diagnostics

246

LED diagnostics

246

Understand lights on the formatter

246

Engine diagnostics

254

Defeating interlocks

254

Disable cartridge check

256

Engine test button

257

Paper path test

258

Paper path sensors test

258

Manual sensor test

260

Registration sensor

261

Fuser loop sensors

262

Fuser output sensor

263

Duplexer refeed sensor

264

Output-bin full sensor

265

Fuser pressure-release sensor

266

ITB alienation sensor

267

Right- and front-door interlock switches

269

Tray/bin manual sensor test

271

Print/stop test

279

Component tests

280

Component test (special-mode test)

280

Diagrams

282

Block diagrams

282

Location of connectors

284

DC controller PCA

284

Paper feeder driver PCA

285

Plug/jack locations

286

Locations of major components

286

x

ENWW

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HP Enterprise 500 manual Solve problems 237