HP Pro 4300 C9H70UT C9H70UT#ABA manual Cassettes. See trays CD-ROM, software

cassettes. See trays CD-ROM, software

documentation contents 367 part numbers 367

character sets, selecting 46

character voids in images, troubleshooting 315 charging biases 73

charging process 118, 120 checks. See tests

circuit boards, component replacement 28 circuit requirements 8

circuits fuser-control 71

fusing heater safety 72 high-voltage 71, 73 laser control 77 laser/scanner control 77 location 338 low-voltage 71, 74 overcurrent/overvoltage protection 75

clamp solenoid 107, 111, 346 cleaning

fuser 55 procedures 54, 55 rollers 325

transfer charging roller and photosensitive drum 118, 125 cleaning page

automatic 57 frequency 54 manual 55

running from control panel 48 clearable warnings

configuring 50 messages 129

clearing

event log 249 jams. See jams

clothing, washing toner off 20 clutches

connectors 356 feed 79

feed roller 82 paper-feed assembly 383

coating on paper, print quality problems 306 coating with fluorine 124

cold reset

description 249, 251 performing 251

communications

checks for troubleshooting 255 settings 52

components

location of main 332

order in which to remove 135 troubleshooting 331

condensation problems 232 configuration page

description 41 printing 241

printing before service 159, 181, 207

printing when control panel menus not available 252 using for troubleshooting 239, 241

viewing with embedded Web server 244 configurations of printer 3

Configure Device menu on control panel 44 connectivity

cards 365 product features 3

connector cable guide 375

connector interface, 1,500-sheet feeder 399 connectors

diagram for DC controller 356 testing direct connect (parallel) 255

conserving power 127 toner 128

consumption power 7 toner 24 control panel

access denied message 40 blank, troubleshooting 236, 238 buttons 37

connector 356 default settings 38 help system 37

illustration and part number 369 layout 36

lights 36 lock 241 messages 257 operation 130 password 241

returning settings to factory defaults 251 setting display language 38, 51 troubleshooting 236

control panel assembly

order in which to remove 135 removing and replacing 157

control panel menu map description 41 printing 39, 239, 240

printing before changing printer settings or replacing formatter assembly 239

using for troubleshooting 239, 240 control panel menus

access denied message 40 changing 39

Configure Device 44 description 39 Diagnostics 248 I/O 52 Information 41 locked message 258 Paper Handling 42 PCL 45

Print Quality 46 Printing 44 Resets 247 Retrieve Job 41 Service 249, 251 Stapler/stacker 51 System Setup 49 unlocking 251

control panel overlay

order in which to remove 135 removing and replacing 156

control PCA

1,500-sheet feeder 220, 343

500 sheet feeder 207

500-sheet feeder, location 340 cooling fans. See fans

copies, setting default number 44

415 Index Q2431-90912