HP Color LaserJet 8500/8500N/8500DN user guide
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Incorrect Printer Output 144 Color Printing Problems 146 Print Quality Problems 148 Cleaning the Density Sensor 155 Troubleshooting with Print Quality Test Pages 156 Cleaning the Transfer Drum 157 Accessories, Options, and Related Products 161 Appendix A DIMM Installation Supported DIMMs 163 Installing DIMMs 163 Appendix B PCL Commands Overview 167 Understanding ...
Incorrect Printer Output 144 Color Printing Problems 146 Print Quality Problems 148 Cleaning the Density Sensor 155 Troubleshooting with Print Quality Test Pages 156 Cleaning the Transfer Drum 157 Accessories, Options, and Related Products 161 Appendix A DIMM Installation Supported DIMMs 163 Installing DIMMs 163 Appendix B PCL Commands Overview 167 Understanding ...
HP Color LaserJet 8500/8500N/8500DN user guide
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... procedure until PRINT TEST PAGE appears on the printer control panel display. For more information on application settings, see "Cleaning the Density Sensor" in chapter 9. • Complete the troubleshooting solutions in the printer. COLOR ADJUST MENU will affect all of objects on printer driver settings in this procedure adjusts parameters within the printer hardware...
... procedure until PRINT TEST PAGE appears on the printer control panel display. For more information on application settings, see "Cleaning the Density Sensor" in chapter 9. • Complete the troubleshooting solutions in the printer. COLOR ADJUST MENU will affect all of objects on printer driver settings in this procedure adjusts parameters within the printer hardware...
HP Color LaserJet 8500/8500N/8500DN user guide
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.... If the problem the transfer drum might be is adjusting the density sensor. WARNING! If the condition persists, contact a local authorized HP dealer or service representative for the printer to warm up before resuming printing. For information on clearing jams, see "Cleaning the Density Sensor" and "Cleaning the Transfer Drum" in chapter 9. The printer senses a media jam...
.... If the problem the transfer drum might be is adjusting the density sensor. WARNING! If the condition persists, contact a local authorized HP dealer or service representative for the printer to warm up before resuming printing. For information on clearing jams, see "Cleaning the Density Sensor" and "Cleaning the Transfer Drum" in chapter 9. The printer senses a media jam...
HP Color LaserJet 8500/8500N/8500DN user guide
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... your output. Turn the printer off and on how a particular application handles color, see "Adjusting the Color Balance" in this printer. Your application is interpreting extremely dark colors as described in "Cleaning the Density Sensor" later in chapter 4. Each application processes colors differently. The color density and balance are not being printed as white. Turn the printer off and...
... your output. Turn the printer off and on how a particular application handles color, see "Adjusting the Color Balance" in this printer. Your application is interpreting extremely dark colors as described in "Cleaning the Density Sensor" later in chapter 4. Each application processes colors differently. The color density and balance are not being printed as white. Turn the printer off and...
HP Color LaserJet 8500/8500N/8500DN user guide
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...life. If the problem persists, clean the density sensor as the paper type in the Paper tab in this chapter. For more information on to allow the printer to reset the printer's density calibration. You are refeeding media that are printing on to adjust its color settings. Refeeding media contaminates the... HP dealer or service representative for any consumables that has already passed through the printer or through a copier. Do not refeed media. The fuser roller is too dark, turn the printer off and on heavy media (28 to 58 lb, or 105 to complete a printer self-cleaning cycle...
...life. If the problem persists, clean the density sensor as the paper type in the Paper tab in this chapter. For more information on to allow the printer to reset the printer's density calibration. You are refeeding media that are printing on to adjust its color settings. Refeeding media contaminates the... HP dealer or service representative for any consumables that has already passed through the printer or through a copier. Do not refeed media. The fuser roller is too dark, turn the printer off and on heavy media (28 to 58 lb, or 105 to complete a printer self-cleaning cycle...
HP Color LaserJet 8500/8500N/8500DN user guide
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To clean the density sensor 1 Open the upper right door. 2 Use the brush located next to the sensor to clean the density sensor. Printer 9 Problems EN Chapter 9 - Note You can also use any paper products, such as tissue or paper towels, to clean the sensor. 3 Close the upper right door. To prevent scratches on the sensor, do not use a hand wipe to remove all toner particles from the sensor. Solving Printer Problems 155 Cleaning the Density Sensor Clean the density sensor after replacing the imaging drum and when printed colors are inaccurate.
To clean the density sensor 1 Open the upper right door. 2 Use the brush located next to the sensor to clean the density sensor. Printer 9 Problems EN Chapter 9 - Note You can also use any paper products, such as tissue or paper towels, to clean the sensor. 3 Close the upper right door. To prevent scratches on the sensor, do not use a hand wipe to remove all toner particles from the sensor. Solving Printer Problems 155 Cleaning the Density Sensor Clean the density sensor after replacing the imaging drum and when printed colors are inaccurate.
HP Color LaserJet 8500/8500N/8500DN user guide
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... charcoal filter, replacement frequency 103 cleaning roller, illustration 102 cleaning roller, ordering 161 cleaning roller, replace frequency 103 cleaning, density sensor 155 cleaning, toner from fabric 129 cleaning, transfer drum 157 clearable warnings defaults 26 CMS 75 cold reset, message 114 cold reset, performing 37 color adjustments, verifying 40 color balance test page, printing 80 color carousel, will not rotate 139...
... charcoal filter, replacement frequency 103 cleaning roller, illustration 102 cleaning roller, ordering 161 cleaning roller, replace frequency 103 cleaning, density sensor 155 cleaning, toner from fabric 129 cleaning, transfer drum 157 clearable warnings defaults 26 CMS 75 cold reset, message 114 cold reset, performing 37 color adjustments, verifying 40 color balance test page, printing 80 color carousel, will not rotate 139...
HP Color LaserJet 8500/8500N/8500DN user guide
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..., settings 26 defaults, symbol set 26 defaults, toner low response 26 defects, repeated printed 154 deleting proof and print jobs 33 demonstration page, printing 39 density sensor, cleaning 155 density settings, verifying 40 depth, printer 101 Detail Halftone Adjust page, printing 80 Detail settings 74 digital cameras, using images 78 DIMMs, EDO 163 DIMMs...
..., settings 26 defaults, symbol set 26 defaults, toner low response 26 defects, repeated printed 154 deleting proof and print jobs 33 demonstration page, printing 39 density sensor, cleaning 155 density settings, verifying 40 depth, printer 101 Detail Halftone Adjust page, printing 80 Detail settings 74 digital cameras, using images 78 DIMMs, EDO 163 DIMMs...
HP Color LaserJet 8500/8500N/8500DN user guide
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...Save 34 selecting soft fonts from control panel 89 selecting tray 1 mode 28 sensor, cleaning density 155 serial numbers, verifying 40 service code, verifying 40 service offices, worldwide 206 settings, adjusting color 76 settings, auto continue 27 settings, black and white printing 75 settings, ...display language 38 settings, default printer personality 36 settings, Detail 74 settings, Halftone 74 settings, HP ColorSmart II 74 settings, I/O timeout 36 settings, ICC 75 settings, Manual color 74 settings, parallel advanced functions 35 settings, Power Save 34 settings, resource saving 41 settings,...
...Save 34 selecting soft fonts from control panel 89 selecting tray 1 mode 28 sensor, cleaning density 155 serial numbers, verifying 40 service code, verifying 40 service offices, worldwide 206 settings, adjusting color 76 settings, auto continue 27 settings, black and white printing 75 settings, ...display language 38 settings, default printer personality 36 settings, Detail 74 settings, Halftone 74 settings, HP ColorSmart II 74 settings, I/O timeout 36 settings, ICC 75 settings, Manual color 74 settings, parallel advanced functions 35 settings, Power Save 34 settings, resource saving 41 settings,...
Service Manual
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... 68. Figure 42. Figure 47. Figure 49. Waste toner level detection 155 Color toner level detection 157 Color toner lever detection 158 Density sensor 160 Transfer belt control 161 Cleaning roller control 162 Carousel control 163 Power distribution circuit diagram 164 Power Save circuit diagram... 195 Timing chart, printing full-color letter-sized page (2 of 2 196 Timing chart, printing full-color 11-by-17-inch page (1 of 2 197 Timing chart, printing full-color 11-by-17 inch page (2 of 2) 198 2,000-sheet input unit sensors, switches, clutches, and motors 200...
... 68. Figure 42. Figure 47. Figure 49. Waste toner level detection 155 Color toner level detection 157 Color toner lever detection 158 Density sensor 160 Transfer belt control 161 Cleaning roller control 162 Carousel control 163 Power distribution circuit diagram 164 Power Save circuit diagram... 195 Timing chart, printing full-color letter-sized page (2 of 2 196 Timing chart, printing full-color 11-by-17-inch page (1 of 2 197 Timing chart, printing full-color 11-by-17 inch page (2 of 2) 198 2,000-sheet input unit sensors, switches, clutches, and motors 200...
Service Manual
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Density sensor 266 Figure 118. Tray 1 pick-up assembly 306 Figure 156. Formatter pan (left side 273 Figure 125. Controller board, HP Color LaserJet 8550 MFP printer 277 Figure 129. Controller board, HP Color LaserJet 8500 printer . 278 Figure 130. Carousel motor 284 Figure 136. Lower air duct 285 Figure 137. ...unit 299 Figure 150. Fan 2 275 Figure 127. ECO board 279 Figure 131. Fans 1 and 2 housing assemblies 283 Figure 135. Cleaning roller HV module 292 Figure 144. Plate over media size sensing PCAs 296 Figure 148. Media size sensing PCAs 297 Figure 149. Tray...
Density sensor 266 Figure 118. Tray 1 pick-up assembly 306 Figure 156. Formatter pan (left side 273 Figure 125. Controller board, HP Color LaserJet 8550 MFP printer 277 Figure 129. Controller board, HP Color LaserJet 8500 printer . 278 Figure 130. Carousel motor 284 Figure 136. Lower air duct 285 Figure 137. ...unit 299 Figure 150. Fan 2 275 Figure 127. ECO board 279 Figure 131. Fans 1 and 2 housing assemblies 283 Figure 135. Cleaning roller HV module 292 Figure 144. Plate over media size sensing PCAs 296 Figure 148. Media size sensing PCAs 297 Figure 149. Tray...
Service Manual
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...To prevent scratches on the sensor, do not use a hand wipe to clean the density sensor. To clean the density sensor and erase lamp 1 Open the right upper door. 2 On the inside of the door, locate the density sensor and the density sensor brush. Note You can ...also use any paper products, such as tissue or paper towels, to brush off toner particles from the density sensor and the erase lamp. Printer maintenance EN Cleaning the density sensor Clean the density sensor after replacing the imaging drum and when printed colors...
...To prevent scratches on the sensor, do not use a hand wipe to clean the density sensor. To clean the density sensor and erase lamp 1 Open the right upper door. 2 On the inside of the door, locate the density sensor and the density sensor brush. Note You can ...also use any paper products, such as tissue or paper towels, to brush off toner particles from the density sensor and the erase lamp. Printer maintenance EN Cleaning the density sensor Clean the density sensor after replacing the imaging drum and when printed colors...
Service Manual
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... 152 Fusing block 153 Consumable detection mechanisms 154 Drum kit life detection 154 Transfer kit life detection 156 Color toner lever detection 158 Black toner level detection and cartridge detection . . 159 Environment change control 159 Color calibration density sensor 160 Transfer belt control 161 Cleaning roller control 162 Carousel control 162 EN Chapter contents 133
... 152 Fusing block 153 Consumable detection mechanisms 154 Drum kit life detection 154 Transfer kit life detection 156 Color toner lever detection 158 Black toner level detection and cartridge detection . . 159 Environment change control 159 Color calibration density sensor 160 Transfer belt control 161 Cleaning roller control 162 Carousel control 162 EN Chapter contents 133
Service Manual
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... 258 Face-up exit assembly 260 Right assemblies 261 Tray 1 261 Pick-up roller 262 Registration roller assembly 263 Paper photo (OHT) sensors 265 Density sensor 266 Paper pick-up assembly 267 Tray 1 pick-up assembly 268 Rear assemblies 270 Formatter pan 272 Fan 1 274 Fan 2 275 ...motor PCA 282 Carousel motor (M1 283 Delivery drive assembly 285 Main gear assembly (not shown 287 Post charger HV module assemblies 288 Cleaning roller HV module assemblies 291 Main relay PCA 293 Drum/cartridge drive assembly 294 Separation discharge high-voltage converter assemblies295 Tray 2 and ...
... 258 Face-up exit assembly 260 Right assemblies 261 Tray 1 261 Pick-up roller 262 Registration roller assembly 263 Paper photo (OHT) sensors 265 Density sensor 266 Paper pick-up assembly 267 Tray 1 pick-up assembly 268 Rear assemblies 270 Formatter pan 272 Fan 1 274 Fan 2 275 ...motor PCA 282 Carousel motor (M1 283 Delivery drive assembly 285 Main gear assembly (not shown 287 Post charger HV module assemblies 288 Cleaning roller HV module assemblies 291 Main relay PCA 293 Drum/cartridge drive assembly 294 Separation discharge high-voltage converter assemblies295 Tray 2 and ...
Service Manual
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...range magenta. Action: 1 Open the printer and remove media from is not installed and it was selected as requesting to reset the printer. See CLEAN DENSITY SENSOR CYCLE POWER in table 42 on to reset the printer. 56.2 ERROR CYCLE POWER Event log message: 56.00.02 Description: Indicates an illegal...the output destination, or there are transparencies in table 42 on page 389. 54.00.06 (event log message) Out of range black. See CLEAN DENSITY SENSOR CYCLE POWER in the printer control panel. 3 Turn the printer off and on page 389. 55 PRINTER ERROR CYCLE POWER Event log message: ...
...range magenta. Action: 1 Open the printer and remove media from is not installed and it was selected as requesting to reset the printer. See CLEAN DENSITY SENSOR CYCLE POWER in table 42 on to reset the printer. 56.2 ERROR CYCLE POWER Event log message: 56.00.02 Description: Indicates an illegal...the output destination, or there are transparencies in table 42 on page 389. 54.00.06 (event log message) Out of range black. See CLEAN DENSITY SENSOR CYCLE POWER in the printer control panel. 3 Turn the printer off and on page 389. 55 PRINTER ERROR CYCLE POWER Event log message: ...
Service Manual
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... (on) when toggled. Note: This procedure will not work if the left lower cover and defeat the delivery cover interlock. Toggle the sensors at the paper exit and entrance. CLEAR DUPLEX JAM LOWER LEFT DOOR Event log message: 13.00.0 = Description: 7 = Two-sided ... 389 Action: 1 Press GO. 2 Print a configuration page and troubleshoot as needed. Table 42. Unnumbered printer messages (continued) CLEAN DENSITY SENSOR CYCLE POWER Event log message: 54.00.0 = Description: 5 = Sensor abnormality 6 = Out of range cyan 7 = Out of range magenta 8 = Out of range yellow 9 = Out of ...
... (on) when toggled. Note: This procedure will not work if the left lower cover and defeat the delivery cover interlock. Toggle the sensors at the paper exit and entrance. CLEAR DUPLEX JAM LOWER LEFT DOOR Event log message: 13.00.0 = Description: 7 = Two-sided ... 389 Action: 1 Press GO. 2 Print a configuration page and troubleshoot as needed. Table 42. Unnumbered printer messages (continued) CLEAN DENSITY SENSOR CYCLE POWER Event log message: 54.00.0 = Description: 5 = Sensor abnormality 6 = Out of range cyan 7 = Out of range magenta 8 = Out of range yellow 9 = Out of ...
Service Manual
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... adjustment procedure until you to adjust the color output. For more information about application settings, see the online help. Clean the density sensor (see page 114). Complete the troubleshooting solutions earlier in effect until all print jobs. However, you are experiencing. Changing the Detail Half-tone Adjust and ...
... adjustment procedure until you to adjust the color output. For more information about application settings, see the online help. Clean the density sensor (see page 114). Complete the troubleshooting solutions earlier in effect until all print jobs. However, you are experiencing. Changing the Detail Half-tone Adjust and ...
Service Manual
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... 16G Roller, paper 17 Lever, right upper door 22 Spring, right lower door lever 26 Spring, torsion 31 Cover, right subassembly 32 Cover, density sensor 35 Density sensor assembly 35A Brush, cleaning 36 Preconditioning exposure LED assembly 41 Filter, charcoal 42 Fan 3 (FM3) 46 Cover, tray 1 side gear 54 Hinge, stopper (tray 1 delivery assembly) Part...
... 16G Roller, paper 17 Lever, right upper door 22 Spring, right lower door lever 26 Spring, torsion 31 Cover, right subassembly 32 Cover, density sensor 35 Density sensor assembly 35A Brush, cleaning 36 Preconditioning exposure LED assembly 41 Filter, charcoal 42 Fan 3 (FM3) 46 Cover, tray 1 side gear 54 Hinge, stopper (tray 1 delivery assembly) Part...
Service Manual
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...) Cover, right Metallic retaining spring (spring leaf) Duct, rear lower air Cover, gear Gear, 11T Roller, tray 1 pick-up Cover, density sensor Cover, tray 1 side gear Lever, registration roller Cover, sensor Brush, cleaning Spring, compression Duct Lever, holding, right Lever, holding, left Lever, release Holder, flapper Cover, carousel stop Spring, torsion Crossmember Waste toner...
...) Cover, right Metallic retaining spring (spring leaf) Duct, rear lower air Cover, gear Gear, 11T Roller, tray 1 pick-up Cover, density sensor Cover, tray 1 side gear Lever, registration roller Cover, sensor Brush, cleaning Spring, compression Duct Lever, holding, right Lever, holding, left Lever, release Holder, flapper Cover, carousel stop Spring, torsion Crossmember Waste toner...
Service Manual
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...detection 166 fusing heater safety 166 high-voltage power supply 167 laser/scanner motor lock detection 170 power distribution 164 Power Save 165 cleaning density sensor 389 images 150 imaging drum 152 EN Index 603 location 118 replace frequency 119 switch 187 toner level detection 159 blind cover ...77 connection 74 flipper ribbon 359 interface 75 parallel 78 parts list 513 ThinLAN 77 calibrating staple position in stapler/stacker 482 calibration color density 160 flipper 480 message 388 Canadian Customer Care Center (CCCC) Assist Line 67 Canadian DOC regulations 46 Cancel Job key 80 canceling...
...detection 166 fusing heater safety 166 high-voltage power supply 167 laser/scanner motor lock detection 170 power distribution 164 Power Save 165 cleaning density sensor 389 images 150 imaging drum 152 EN Index 603 location 118 replace frequency 119 switch 187 toner level detection 159 blind cover ...77 connection 74 flipper ribbon 359 interface 75 parallel 78 parts list 513 ThinLAN 77 calibrating staple position in stapler/stacker 482 calibration color density 160 flipper 480 message 388 Canadian Customer Care Center (CCCC) Assist Line 67 Canadian DOC regulations 46 Cancel Job key 80 canceling...