Service Manual
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...Filler panel for tray 2 231 Figure 83. Screws on left 226 Figure 77. Screws on right cover subassembly 240 Figure 93. Laser/scanner shield 247 Figure 99. Face-down output assembly 250 Figure 103. Connector on the right upper door 238 Figure 91. Face-... PCA 252 Figure 105. Feeder assembly 257 Figure 109. Scanner unit 248 Figure 100. Plate, HP Color LaserJet 8550 MFP printer 243 Figure 96. Pick-up solenoid (1 of 2 259 Figure 111. Toner lock sensor and color cartridge sensor . . . . 251 Figure 104. Face-up roller 262 Figure 114. Stopper hinges...
...Filler panel for tray 2 231 Figure 83. Screws on left 226 Figure 77. Screws on right cover subassembly 240 Figure 93. Laser/scanner shield 247 Figure 99. Face-down output assembly 250 Figure 103. Connector on the right upper door 238 Figure 91. Face-... PCA 252 Figure 105. Feeder assembly 257 Figure 109. Scanner unit 248 Figure 100. Plate, HP Color LaserJet 8550 MFP printer 243 Figure 96. Pick-up solenoid (1 of 2 259 Figure 111. Toner lock sensor and color cartridge sensor . . . . 251 Figure 104. Face-up roller 262 Figure 114. Stopper hinges...
Service Manual
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Density sensor 266 Figure 118. Controller board, HP Color LaserJet 8500 printer . 278 Figure 130. Fans 1 and 2 housing assemblies 283 Figure 135. Access to main gear assembly 287 Figure 139. Front cover of printer with ...-up assembly 267 Figure 119. Rear of Figures EN Rear of the 2,000-sheet input unit 299 Figure 150. Fan 1 274 Figure 126. Controller board, HP Color LaserJet 8550 MFP printer 277 Figure 129. Cartridge motor 280 Figure 132. Drum/cartridge drive assembly 294 Figure 146. Media size sensing PCAs 297 Figure 149. Vertical transfer...
Density sensor 266 Figure 118. Controller board, HP Color LaserJet 8500 printer . 278 Figure 130. Fans 1 and 2 housing assemblies 283 Figure 135. Access to main gear assembly 287 Figure 139. Front cover of printer with ...-up assembly 267 Figure 119. Rear of Figures EN Rear of the 2,000-sheet input unit 299 Figure 150. Fan 1 274 Figure 126. Controller board, HP Color LaserJet 8550 MFP printer 277 Figure 129. Cartridge motor 280 Figure 132. Drum/cartridge drive assembly 294 Figure 146. Media size sensing PCAs 297 Figure 149. Vertical transfer...
Service Manual
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... 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. See the HP Color LaserJet 8550 MFP printer service manual for the HP Color LaserJet 8550 MFP printer's copy module, automatic document feeder, and...
... 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. See the HP Color LaserJet 8550 MFP printer service manual for the HP Color LaserJet 8550 MFP printer's copy module, automatic document feeder, and...
Service Manual
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...specifications Table 3. 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 typical product 110-...190 W (average) less than 45 W less than 2 W 6.0 A at 120 V 220-volt models 220 to 10,000 feet) Note See the HP Color LaserJet 8550 MFP printer service manual for dimensions that include copy module, automatic document feeder, and 1,000-sheet input paper deck. 24 Chapter 1 - Operating environment specifications Item ...
...specifications Table 3. 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 typical product 110-...190 W (average) less than 45 W less than 2 W 6.0 A at 120 V 220-volt models 220 to 10,000 feet) Note See the HP Color LaserJet 8550 MFP printer service manual for dimensions that include copy module, automatic document feeder, and 1,000-sheet input paper deck. 24 Chapter 1 - Operating environment specifications Item ...
Service Manual
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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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... internal hard disk, five stabilizing legs, and a highperformance processor. HP Color LaserJet 8550 MFP The HP Color LaserJet 8550MFP comes standard with a 100-sheet tray 1, a 500-sheet tray 2, a 500-sheet tray 3, a printer stand, 64 MB RAM, an HP JetDirect print server (10/100 Base-TX), and an internal hard disk. HP Color LaserJet 8550 N The HP Color LaserJet 8550N comes standard with a 100-sheet tray 1, a 500-sheet...
... internal hard disk, five stabilizing legs, and a highperformance processor. HP Color LaserJet 8550 MFP The HP Color LaserJet 8550MFP comes standard with a 100-sheet tray 1, a 500-sheet tray 2, a 500-sheet tray 3, a printer stand, 64 MB RAM, an HP JetDirect print server (10/100 Base-TX), and an internal hard disk. HP Color LaserJet 8550 N The HP Color LaserJet 8550N comes standard with a 100-sheet tray 1, a 500-sheet...
Service Manual
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... output bin 7 Top (face-down) 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. Use the power button at the top, right of the ...
... output bin 7 Top (face-down) 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. Use the power button at the top, right of the ...
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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... following two conditions: (1) 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 take adequate measures. Boise, Idaho USA May 1999 For regulatory topics only:...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) EMC: CISPR 22:1997 / EN 55022:1998 Class A1 EN 61000-3-2:1995 EN 61000-3-3:1995 EN 55024:1998 FCC Title 47 CFR,...
... following two conditions: (1) 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 take adequate measures. Boise, Idaho USA May 1999 For regulatory topics only:...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) EMC: CISPR 22:1997 / EN 55022:1998 Class A1 EN 61000-3-2:1995 EN 61000-3-3:1995 EN 55024:1998 FCC Title 47 CFR,...
Service Manual
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...the following Directives and carries the CE- 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 the FCC rules. EN Safety information 53 marking accordingly: EMC the EMC directive 89/336/EEC Safety the Low...: 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 Conformity for the copy module, automatic document feeder, and 1,000-...
...the following Directives and carries the CE- 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 the FCC rules. EN Safety information 53 marking accordingly: EMC the EMC directive 89/336/EEC Safety the Low...: 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 Conformity for the copy module, automatic document feeder, and 1,000-...
Service Manual
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...Organization SMO (Service Materials Organization) SME (Support Materials Europe) HPD (HP Distribution Center) Address Hewlett-Packard Company Support Materials Organization 8050 Foothills Blvd. When repairing an HP Color LaserJet 8550 MFP printer, first isolate the location of the problem. Accessories can be ... lists information for this manual. Use only accessories specifically designed for ordering from a computer is sufficient to the HP Color LaserJet 8550 MFP printer. If it is not, see page 511. Introduction Repair normally begins with the use of printer internal ...
...Organization SMO (Service Materials Organization) SME (Support Materials Europe) HPD (HP Distribution Center) Address Hewlett-Packard Company Support Materials Organization 8050 Foothills Blvd. When repairing an HP Color LaserJet 8550 MFP printer, first isolate the location of the problem. Accessories can be ... lists information for this manual. Use only accessories specifically designed for ordering from a computer is sufficient to the HP Color LaserJet 8550 MFP printer. If it is not, see page 511. Introduction Repair normally begins with the use of printer internal ...
Service Manual
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...contains part of the printing mechanism and a supply of the major "consumable" parts. Installation can be other models of HP Color LaserJet 8500 and 8550 models. Toner cartridge information The toner cartridge is designed to area. Installation is required with all other rights that a ... or while the printer is under HP warranty or maintenance contracts. HP has no control over the actual print quality produced by service personnel is included with the HP Color LaserJet 8500 DN printer and is optional with the HP Color LaserJet 8550 MFP. HP also cannot predict what the long...
...contains part of the printing mechanism and a supply of the major "consumable" parts. Installation can be other models of HP Color LaserJet 8500 and 8550 models. Toner cartridge information The toner cartridge is designed to area. Installation is required with all other rights that a ... or while the printer is under HP warranty or maintenance contracts. HP has no control over the actual print quality produced by service personnel is included with the HP Color LaserJet 8500 DN printer and is optional with the HP Color LaserJet 8550 MFP. HP also cannot predict what the long...
Service Manual
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EN Verifying package contents 73 Contents of HP Color LaserJet 8550 MFP printers. See the HP Color LaserJet 8550 MFP printer Service Manual for descriptions of the various printer configurations. Verifying package contents Verify that the following items were included from the factory: 4 5 1 6 9 7 2 8 3 Figure 7....: getting started guide and quick reference guide 5 Imaging drum 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.
EN Verifying package contents 73 Contents of HP Color LaserJet 8550 MFP printers. See the HP Color LaserJet 8550 MFP printer Service Manual for descriptions of the various printer configurations. Verifying package contents Verify that the following items were included from the factory: 4 5 1 6 9 7 2 8 3 Figure 7....: getting started guide and quick reference guide 5 Imaging drum 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.
Service Manual
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... the right of languages. Use the printer control panel to change the display language on self test) when the printer is being configured. See the HP Color LaserJet 8550 MFP printer Service Manual for approximately one second, release SELECT. Only - However, because no display language was selected, the LANGUAGE = ENGLISH message reappears (after the power...
... the right of languages. Use the printer control panel to change the display language on self test) when the printer is being configured. See the HP Color LaserJet 8550 MFP printer Service Manual for approximately one second, release SELECT. Only - However, because no display language was selected, the LANGUAGE = ENGLISH message reappears (after the power...
Service Manual
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...3, and slot 2 can be installed in a specific configuration. Verifying DIMM installation The HP Color LaserJet 8500 printer comes with the following amounts of memory installed in slots 1 and 2: l 16-MB DIMMs in the base model l 32-MB DIMMs in the N, DN, and MFP models (2 x 32 = 64) l 64-MB DIMMs in the GN model ... of memory installed in slots 1 and 2: l 16-MB DIMMs in the base and N models l 32-MB DIMMs in the DN model The HP Color LaserJet 8550 printer comes with the same amount of memory required to start the printer is 16-MB DIMMs installed in corresponding left and right slots (such...
...3, and slot 2 can be installed in a specific configuration. Verifying DIMM installation The HP Color LaserJet 8500 printer comes with the following amounts of memory installed in slots 1 and 2: l 16-MB DIMMs in the base model l 32-MB DIMMs in the N, DN, and MFP models (2 x 32 = 64) l 64-MB DIMMs in the GN model ... of memory installed in slots 1 and 2: l 16-MB DIMMs in the base and N models l 32-MB DIMMs in the DN model The HP Color LaserJet 8550 printer comes with the same amount of memory required to start the printer is 16-MB DIMMs installed in corresponding left and right slots (such...
Service Manual
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HP TonerGauge (HP Color LaserJet 8550) Note Note The HP TonerGauge feature is installed, the user must reset the HP TonerGauge from the control panel. To reset the HP TonerGauge: If the NEW TONER CARTRIDGE=NO message is no longer displayed on HP Color LaserJet 8550 MFP printers. Operational overview EN Press - Resetting the HP TonerGauge After a new toner cartridge is not enabled on the...
HP TonerGauge (HP Color LaserJet 8550) Note Note The HP TonerGauge feature is installed, the user must reset the HP TonerGauge from the control panel. To reset the HP TonerGauge: If the NEW TONER CARTRIDGE=NO message is no longer displayed on HP Color LaserJet 8550 MFP printers. Operational overview EN Press - Resetting the HP TonerGauge After a new toner cartridge is not enabled on the...
Service Manual
Page 229
Locking pins 4 Roll the printer off of the holes. 32 Figure 78. EN Doors and covers 227 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 rack. HP Color LaserJet 8500 MFP printer-separating the printer from the frame 1 Remove two screws (callout 1) from the attachment cover on the left side of the printer to release the attachment cover. 2 Remove two screws (callout 2) from the attachment bracket. 12 2 Figure 77.
Locking pins 4 Roll the printer off of the holes. 32 Figure 78. EN Doors and covers 227 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 rack. HP Color LaserJet 8500 MFP printer-separating the printer from the frame 1 Remove two screws (callout 1) from the attachment cover on the left side of the printer to release the attachment cover. 2 Remove two screws (callout 2) from the attachment bracket. 12 2 Figure 77.
Service Manual
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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. the plate remains attached to disconnect the video I/O connector.
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Controller board The controller board is a controller board 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, HP Color LaserJet 8550 MFP printer Note Controller board removal procedures, which begin on page 278, change only in an HP Color LaserJet 8550 MFP printer and includes the ECO board cable (callout 1). Compare the controller board to the same part from one printer to another. EN Rear assemblies 277
Controller board The controller board is a controller board 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, HP Color LaserJet 8550 MFP printer Note Controller board removal procedures, which begin on page 278, change only in an HP Color LaserJet 8550 MFP printer and includes the ECO board cable (callout 1). Compare the controller board to the same part from one printer to another. EN Rear assemblies 277
Service Manual
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... is a print engine problem or a copy problem. Pre-troubleshooting checklist Note Before troubleshooting any specific software. For HP Color LaserJet 8550 MFP printers, compare printed pages to copied pages to their entire cycle. l The line voltage does not vary more than...using supported media. Toner contamination might cause temporary voltage changes. l The customer is performed before troubleshooting. Use the HP Color LaserJet 8550 MFP printer service manual to direct sunlight. The customer is correct for ensuring that the items included in the consumable kits...
... is a print engine problem or a copy problem. Pre-troubleshooting checklist Note Before troubleshooting any specific software. For HP Color LaserJet 8550 MFP printers, compare printed pages to copied pages to their entire cycle. l The line voltage does not vary more than...using supported media. Toner contamination might cause temporary voltage changes. l The customer is performed before troubleshooting. Use the HP Color LaserJet 8550 MFP printer service manual to direct sunlight. The customer is correct for ensuring that the items included in the consumable kits...