Service Manual
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...cover 244 Figure 97. Laser/scanner shield 247 Figure 99. Face-down output assembly 250 Figure 103. Subrelay PCA 252 Figure 105. Back side of the control panel 246 Figure 98. Face-up exit assembly 260 Figure 112. Attachment bracket, HP Color LaserJet 8550 MFP printer 227 Figure 78. ... 254 Figure 106. Orientation of 2 258 Figure 110. Tray 1 261 Figure 113. Screws behind right door 232 Figure 85. Plate, HP Color LaserJet 8550 MFP printer 243 Figure 96. Inside left cover 237 Figure 90. Pick-up solenoid (1 of printer and accessories: rear and left rear cover 235...
...cover 244 Figure 97. Laser/scanner shield 247 Figure 99. Face-down output assembly 250 Figure 103. Subrelay PCA 252 Figure 105. Back side of the control panel 246 Figure 98. Face-up exit assembly 260 Figure 112. Attachment bracket, HP Color LaserJet 8550 MFP printer 227 Figure 78. ... 254 Figure 106. Orientation of 2 258 Figure 110. Tray 1 261 Figure 113. Screws behind right door 232 Figure 85. Plate, HP Color LaserJet 8550 MFP printer 243 Figure 96. Inside left cover 237 Figure 90. Pick-up solenoid (1 of printer and accessories: rear and left rear cover 235...
Service Manual
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...156. Rear of 2 269 Figure 121. Formatter pan (left side 273 Figure 125. Power supply 276 Figure 128. Controller board, HP Color LaserJet 8550 MFP printer 277 Figure 129. Cartridge motor 280 Figure 132. Carousel motor PCA 282 Figure 134. Screws on registration roller assembly 265 Figure 117....2 268 Figure 120. Lower air duct 285 Figure 137. Vertical transfer unit 302 Figure 153. Developer/imaging drum bias supply, HP Color LaserJet 8550 printer 288 Figure 140. Media size sensing PCAs 297 Figure 149. Post charger HV module 290 Figure 142. Developer/imaging drum bias...
...156. Rear of 2 269 Figure 121. Formatter pan (left side 273 Figure 125. Power supply 276 Figure 128. Controller board, HP Color LaserJet 8550 MFP printer 277 Figure 129. Cartridge motor 280 Figure 132. Carousel motor PCA 282 Figure 134. Screws on registration roller assembly 265 Figure 117....2 268 Figure 120. Lower air duct 285 Figure 137. Vertical transfer unit 302 Figure 153. Developer/imaging drum bias supply, HP Color LaserJet 8550 printer 288 Figure 140. Media size sensing PCAs 297 Figure 149. Post charger HV module 290 Figure 142. Developer/imaging drum bias...
Service Manual
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.... EN Introduction 21 Introduction Note This manual covers service topics for the following printers and their paper-handling optional accessories: HP Color LaserJet 8500 printer (base model) HP Color LaserJet 8500 N printer HP Color LaserJet 8500 DN printer HP Color LaserJet 8550 printer (base model) HP Color LaserJet 8550 N printer HP Color LaserJet 8550 DN printer HP Color LaserJet 8550 GN printer HP Color LaserJet 8550 MFP-print engine only Service topics for all service information related to these devices.
.... EN Introduction 21 Introduction Note This manual covers service topics for the following printers and their paper-handling optional accessories: HP Color LaserJet 8500 printer (base model) HP Color LaserJet 8500 N printer HP Color LaserJet 8500 DN printer HP Color LaserJet 8550 printer (base model) HP Color LaserJet 8550 N printer HP Color LaserJet 8550 DN printer HP Color LaserJet 8550 GN printer HP Color LaserJet 8550 MFP-print engine only Service topics for all service information related to these devices.
Service Manual
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...Altitude Allowed 0 to 3,048 meters (0 to 10,000 feet) 0 to 3,048 meters (0 to 10,000 feet) Note See the HP Color LaserJet 8550 MFP printer service manual for typical product 110-volt models 100 to 127 V (+/- 10%) 50/60 Hz (+/- 2 Hz) 750 W (average...A at 220 V Operating environment specifications Table 4. Electrical specifications Item Power requirements Power consumption (typical): During printing (b/w) During printing (color) During standby During Power Save mode During Off mode Minimum recommended circuit capacity for dimensions that include copy module, automatic document feeder...
...Altitude Allowed 0 to 3,048 meters (0 to 10,000 feet) 0 to 3,048 meters (0 to 10,000 feet) Note See the HP Color LaserJet 8550 MFP printer service manual for typical product 110-volt models 100 to 127 V (+/- 10%) 50/60 Hz (+/- 2 Hz) 750 W (average...A at 220 V Operating environment specifications Table 4. Electrical specifications Item Power requirements Power consumption (typical): During printing (b/w) During printing (color) During standby During Power Save mode During Off mode Minimum recommended circuit capacity for dimensions that include copy module, automatic document feeder...
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Product information EN Note Space requirements See the HP Color LaserJet 8550 MFP printer service manual for space requirements for the copy module, automatic document feeder, and 1,000-sheet input paper deck. 290 mm 11 in 1404 mm ...
Product information EN Note Space requirements See the HP Color LaserJet 8550 MFP printer service manual for space requirements for the copy module, automatic document feeder, and 1,000-sheet input paper deck. 290 mm 11 in 1404 mm ...
Service Manual
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... server (10/ 100 Base-TX), an internal hard disk, and five stabilizing legs. HP Color LaserJet 8550 MFP The HP Color LaserJet 8550MFP comes standard with a 100-sheet tray 1, a 500-sheet tray 3, a printer stand, and 32 MB RAM. The HP Color LaserJet 8550 printer is available in the following configurations: HP Color LaserJet 8550 The HP Color LaserJet 8550 comes standard with a 100-sheet tray 1, a 500-sheet tray 2, a 500-sheet tray...
... server (10/ 100 Base-TX), an internal hard disk, and five stabilizing legs. HP Color LaserJet 8550 MFP The HP Color LaserJet 8550MFP comes standard with a 100-sheet tray 1, a 500-sheet tray 3, a printer stand, and 32 MB RAM. The HP Color LaserJet 8550 printer is available in the following configurations: HP Color LaserJet 8550 The HP Color LaserJet 8550 comes standard with a 100-sheet tray 1, a 500-sheet tray 2, a 500-sheet tray...
Service Manual
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...output bin 8 Flip-up media stop (HP Color LaserJet 8500 models only) 3 Front door handle 9 Right upper cover 4 Input tray 2 (not included on 10 Input tray 1 the HP Color LaserJet 8550 base model, but available as 11 Right ...lower cover an option) 12 Printer stand (base unit and 5 Power/standby button N models only) 6 Input tray 3 Note The power/standby button shown above is immobilized in HP Color LaserJet 8550 MFP printers. External views 7 1 8 2 9 10 3 4 11 5 6 12 Figure 3. See the HP Color LaserJet 8550 MFP...
...output bin 8 Flip-up media stop (HP Color LaserJet 8500 models only) 3 Front door handle 9 Right upper cover 4 Input tray 2 (not included on 10 Input tray 1 the HP Color LaserJet 8550 base model, but available as 11 Right ...lower cover an option) 12 Printer stand (base unit and 5 Power/standby button N models only) 6 Input tray 3 Note The power/standby button shown above is immobilized in HP Color LaserJet 8550 MFP printers. External views 7 1 8 2 9 10 3 4 11 5 6 12 Figure 3. See the HP Color LaserJet 8550 MFP...
Service Manual
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... two hard disks; the printer can have a hard disk installed if there is not a factoryinstalled internal hard drive mounted on HP Color LaserJet 8500 N, 8500 DN, 8550 N, 8550 DN, 8550 GN, and 8550 MFP models) 4 EIO slot 2 (shown with HP JetDirect internal print server) 5 Parallel IEEE-1284 interface port (C-size) 6 EIO slot 1 7 C-link connector Note Either EIO slot can...
... two hard disks; the printer can have a hard disk installed if there is not a factoryinstalled internal hard drive mounted on HP Color LaserJet 8500 N, 8500 DN, 8550 N, 8550 DN, 8550 GN, and 8550 MFP models) 4 EIO slot 2 (shown with HP JetDirect internal print server) 5 Parallel IEEE-1284 interface port (C-size) 6 EIO slot 1 7 C-link connector Note Either EIO slot can...
Service Manual
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...a domestic environment this device must accept any interference received, including interference that the product Product Name: Model Number: Product Options: HP Color LaserJet 8550, 8550 N, 8550 DN, 8550 GN, 8550 MFP C7096A, C7097A, C7098A, C7099A, C7835A, C7836A ALL conforms to the following Product Specifications: Safety: IEC 950:1991+A1+A2+...A3+A4 / EN 60950:1992+A1+A2+A3+A4+A11 IEC 825-1:1993 / EN 60825-1:1994+A11 Class 1 (Laser/LED)...
...a domestic environment this device must accept any interference received, including interference that the product Product Name: Model Number: Product Options: HP Color LaserJet 8550, 8550 N, 8550 DN, 8550 GN, 8550 MFP C7096A, C7097A, C7098A, C7099A, C7835A, C7836A ALL conforms to the following Product Specifications: Safety: IEC 950:1991+A1+A2+...A3+A4 / EN 60950:1992+A1+A2+A3+A4+A11 IEC 825-1:1993 / EN 60825-1:1994+A11 Class 1 (Laser/LED)...
Service Manual
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...and (2) this device may cause undesired operation. Box 15 Mail Stop 160, Boise, ID 83707-0015 (Phone: 208-396-6000) Note See the HP Color LaserJet 8550 MFP printer Service Manual for Declarations of Conformity for the copy module, automatic document feeder, and 1,000-sheet input paper deck. February 10, 1999 For...IEC 950:1991+A1+A2+A3+A4+A11 / EN 60950:1992+A1+A2+A3+A4+A11 IEC 825-1:1993 / EN 60825-1:1994 Class 1 (Laser/LED) UL1950, Third Edition Additional Information: The product herewith complies with Part 15 of the following two conditions: (1) this device must accept any ...
...and (2) this device may cause undesired operation. Box 15 Mail Stop 160, Boise, ID 83707-0015 (Phone: 208-396-6000) Note See the HP Color LaserJet 8550 MFP printer Service Manual for Declarations of Conformity for the copy module, automatic document feeder, and 1,000-sheet input paper deck. February 10, 1999 For...IEC 950:1991+A1+A2+A3+A4+A11 / EN 60950:1992+A1+A2+A3+A4+A11 IEC 825-1:1993 / EN 60825-1:1994 Class 1 (Laser/LED) UL1950, Third Edition Additional Information: The product herewith complies with Part 15 of the following two conditions: (1) this device must accept any ...
Service Manual
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... of the problem. Parts and supplies Field replaceable and accessory part numbers are found in chapter 7. When repairing an HP Color LaserJet 8550 MFP printer, first isolate the location of printer internal diagnostics in conjunction with the troubleshooting procedures in chapter 8 of available accessories... and their part numbers, see the service manual specific to the HP Color LaserJet 8550 MFP printer. only) (49 7031) 14-2253 (805) 257-5565 (805) 257-6995 Fax EN Introduction 61 Some mechanical...
... of the problem. Parts and supplies Field replaceable and accessory part numbers are found in chapter 7. When repairing an HP Color LaserJet 8550 MFP printer, first isolate the location of printer internal diagnostics in conjunction with the troubleshooting procedures in chapter 8 of available accessories... and their part numbers, see the service manual specific to the HP Color LaserJet 8550 MFP printer. only) (49 7031) 14-2253 (805) 257-5565 (805) 257-6995 Fax EN Introduction 61 Some mechanical...
Service Manual
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... not prohibit the use a toner cartridge before the expiration date stamped on the printer is optional with the HP Color LaserJet 8550 MFP. For best results, always use of HP Color LaserJet 8500 and 8550 models. Toner cartridge information The toner cartridge is not recommended for further warranty information. There might also be arranged through the Customer Care Center...
... not prohibit the use a toner cartridge before the expiration date stamped on the printer is optional with the HP Color LaserJet 8550 MFP. For best results, always use of HP Color LaserJet 8500 and 8550 models. Toner cartridge information The toner cartridge is not recommended for further warranty information. There might also be arranged through the Customer Care Center...
Service Manual
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EN Verifying package contents 73 See the HP Color LaserJet 8550 MFP printer Service Manual for descriptions of the various printer configurations. Contents of HP Color LaserJet 8550 MFP printers. See Chapter 1 for package contents of printer box 1 Four toner cartridges... 6 Printer control panel overlay (if applicable) 7 Media size labels 8 Left (face-up) output bin 9 An HP Color LaserJet 8500 (shown above), 8500 N, 8500 DN, 8550, 8550 N, 8550 DN, 8550 GN, or 8550 MFP printer. Verifying package contents Verify that the following items were included from the factory: 4 5 1 6 9 7 2...
EN Verifying package contents 73 See the HP Color LaserJet 8550 MFP printer Service Manual for descriptions of the various printer configurations. Contents of HP Color LaserJet 8550 MFP printers. See Chapter 1 for package contents of printer box 1 Four toner cartridges... 6 Printer control panel overlay (if applicable) 7 Media size labels 8 Left (face-up) output bin 9 An HP Color LaserJet 8500 (shown above), 8500 N, 8500 DN, 8550, 8550 N, 8550 DN, 8550 GN, or 8550 MFP printer. Verifying package contents Verify that the following items were included from the factory: 4 5 1 6 9 7 2...
Service Manual
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... display for information about how to set the display language. 1 To enter configure language mode, hold down SELECT while turning the printer on . See the HP Color LaserJet 8550 MFP printer Service Manual for approximately one second, release SELECT. Only - This message appears every time the printer is turned on the copy module. VALUE +, SELECT...
... display for information about how to set the display language. 1 To enter configure language mode, hold down SELECT while turning the printer on . See the HP Color LaserJet 8550 MFP printer Service Manual for approximately one second, release SELECT. Only - This message appears every time the printer is turned on the copy module. VALUE +, SELECT...
Service Manual
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..., then press MENU repeatedly until YES appears. 2 Press SELECT to complete a print job. HP TonerGauge (HP Color LaserJet 8550) Note Note The HP TonerGauge feature is left in the cartridges. The HP TonerGauge indicator appears on the configuration page, on HP Color LaserJet 8550 MFP printers. VALUE + until the correct color appears. 4 Press SELECT to save the selection. 5 Repeat steps 2 through 4 if other...
..., then press MENU repeatedly until YES appears. 2 Press SELECT to complete a print job. HP TonerGauge (HP Color LaserJet 8550) Note Note The HP TonerGauge feature is left in the cartridges. The HP TonerGauge indicator appears on the configuration page, on HP Color LaserJet 8550 MFP printers. VALUE + until the correct color appears. 4 Press SELECT to save the selection. 5 Repeat steps 2 through 4 if other...
Service Manual
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EN Doors and covers 227 HP Color LaserJet 8500 MFP printer-separating the printer from the frame 1 Remove two screws (callout 1) from the attachment bracket. 12 2 Figure 77. Attachment bracket, HP Color LaserJet 8550 MFP printer 3 On each side at the bottom of the rack, rotate the locking pins (callout 3) until they slide out of the printer to release the attachment cover. 2 Remove two screws (callout 2) from the attachment cover on the left side of the holes. 32 Figure 78. Locking pins 4 Roll the printer off of the rack.
EN Doors and covers 227 HP Color LaserJet 8500 MFP printer-separating the printer from the frame 1 Remove two screws (callout 1) from the attachment bracket. 12 2 Figure 77. Attachment bracket, HP Color LaserJet 8550 MFP printer 3 On each side at the bottom of the rack, rotate the locking pins (callout 3) until they slide out of the printer to release the attachment cover. 2 Remove two screws (callout 2) from the attachment cover on the left side of the holes. 32 Figure 78. Locking pins 4 Roll the printer off of the rack.
Service Manual
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the plate remains attached to disconnect the video I/O connector. Plate, HP Color LaserJet 8550 MFP printer EN Doors and covers 243 b Remove three screws (callout 2) from inside the opening; Rear cover 1 For HP Color LaserJet 8550 MFP printer models, complete the following steps before continuing to step 2 on the following page: a Release two thumb screws (callout 1) to the rear cover. 12 2 Figure 95.
the plate remains attached to disconnect the video I/O connector. Plate, HP Color LaserJet 8550 MFP printer EN Doors and covers 243 b Remove three screws (callout 2) from inside the opening; Rear cover 1 For HP Color LaserJet 8550 MFP printer models, complete the following steps before continuing to step 2 on the following page: a Release two thumb screws (callout 1) to the rear cover. 12 2 Figure 95.
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EN Rear assemblies 277 Compare the controller board to the same part from one printer to another. Controller board, HP Color LaserJet 8550 MFP printer Note Controller board removal procedures, which begin on page 278, change only in the locations of connectors from an HP Color LaserJet 8500 printer, in figure 129 on the lower left side of the rear of the printer. Shown in figure 128 is located on page 278. 12 Figure 128. Controller board The controller board is a controller board in an HP Color LaserJet 8550 MFP printer and includes the ECO board cable (callout 1).
EN Rear assemblies 277 Compare the controller board to the same part from one printer to another. Controller board, HP Color LaserJet 8550 MFP printer Note Controller board removal procedures, which begin on page 278, change only in the locations of connectors from an HP Color LaserJet 8500 printer, in figure 129 on the lower left side of the rear of the printer. Shown in figure 128 is located on page 278. 12 Figure 128. Controller board The controller board is a controller board in an HP Color LaserJet 8550 MFP printer and includes the ECO board cable (callout 1).
Service Manual
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...that produced by the power cable, so that the items included in the consumable kits are in chapter 1 of excessive waste toner. For HP Color LaserJet 8550 MFP printers, compare printed pages to copied pages to direct sunlight. l The maintenance units are met: l Remove the printer from the network...ammonia gas such as described in chapter 4. l The line voltage does not vary more than 20% from the printer. Use the HP Color LaserJet 8550 MFP printer service manual to their entire cycle. Empty the toner catch tray, if necessary, and identify the source of this problem if ...
...that produced by the power cable, so that the items included in the consumable kits are in chapter 1 of excessive waste toner. For HP Color LaserJet 8550 MFP printers, compare printed pages to copied pages to direct sunlight. l The maintenance units are met: l Remove the printer from the network...ammonia gas such as described in chapter 4. l The line voltage does not vary more than 20% from the printer. Use the HP Color LaserJet 8550 MFP printer service manual to their entire cycle. Empty the toner catch tray, if necessary, and identify the source of this problem if ...
Service Manual
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... Self-Paced Training Kit (PAL) C3983-90919 HP Color LaserJet 8500, 8500 N, 8500 DN Quick Reference Guide (English) C7096-90904 HP Color LaserJet 8550, 8550 N, 8550 DN, 8550 GN, 8550 MFP Quick Reference Guide (English) C3989-90901 HP Color LaserJet 8500, 8500 N, 8500 DN Getting Started Guide (English) C7096-90923 HP Color LaserJet 8550, 8550 N, 8550 DN, 8550 GN, 8550 MFP Getting Started Guide (English) C3989-90937 HP Color LaserJet 8500, 8500 N, 8500 DN User's Guide (English...
... Self-Paced Training Kit (PAL) C3983-90919 HP Color LaserJet 8500, 8500 N, 8500 DN Quick Reference Guide (English) C7096-90904 HP Color LaserJet 8550, 8550 N, 8550 DN, 8550 GN, 8550 MFP Quick Reference Guide (English) C3989-90901 HP Color LaserJet 8500, 8500 N, 8500 DN Getting Started Guide (English) C7096-90923 HP Color LaserJet 8550, 8550 N, 8550 DN, 8550 GN, 8550 MFP Getting Started Guide (English) C3989-90937 HP Color LaserJet 8500, 8500 N, 8500 DN User's Guide (English...