S Tray 3 paper present sensor

265

T Tray 3 feed sensor

265

U Tray 3 paper surface 1 and 2 sensors

265

V Tray 3 paper size switches

265

W Tray 4 paper present sensor

265

X Tray 4 feed sensor

265

Y Tray 4 paper surface 1 and 2 sensors

265

Z Tray 4 paper size switches

266

a Tray 5 paper present sensor

266

b Tray 5 feed sensor

266

c Tray 5 paper surface 1 and 2 sensors

266

d Tray 5 paper size switches

266

5V laser and 24V interlock and logic switches (and power

 

switch)

267

New ITB sensor

271

Tray 3, 4, and 5 right door switch

272

Paper-path sensors test

273

Print/stop test

273

Component tests

274

Component test (special-mode test)

274

Diagrams

277

Block diagrams

277

Plug/jack locations

280

Location of connectors

281

DC controller connector locations

281

Controller PCA (1 x 500-sheet and 3 x 500-sheet optional paper

 

feeders)

283

Locations of major components

284

General timing chart

294

Circuit diagrams

294

HP Easy Printer Care

298

Open the HP Easy Printer Care software

299

HP Easy Printer Care software sections

299

Internal print-quality test pages

302

Print-quality-troubleshooting pages

302

Diagnostics page

305

Cleaning page

306

Configuration page

307

Configuration page

307

HP embedded Jetdirect page

309

Embedded protocol page

310

Finding important information on the configuration pages

311

Color-band test

311

Print-quality troubleshooting tools

312

ENWW

xi

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Image 13
HP Enterprise CC490A manual 265