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... and right 225 Figure 76. Stopper hinges on right cover subassembly 240 Figure 93. Spring on lower left door 236 Figure 89. Laser/scanner shield 247 Figure 99. Formatter board 254 Figure 106. Feeder assembly 257 Figure 109. Pick-up solenoid (2 of 2 258 ... 230 Figure 82. Right rear cover 241 Figure 94. Plate, HP Color LaserJet 8550 MFP printer 243 Figure 96. Screws on formatter board 256 Figure 107. Subrelay PCA 252 Figure 105. Tray 1 261 Figure 113. Attachment bracket, HP Color LaserJet 8550 MFP printer 227 Figure 78. Filler panel for tray 2 231 Figure...
... and right 225 Figure 76. Stopper hinges on right cover subassembly 240 Figure 93. Spring on lower left door 236 Figure 89. Laser/scanner shield 247 Figure 99. Formatter board 254 Figure 106. Feeder assembly 257 Figure 109. Pick-up solenoid (2 of 2 258 ... 230 Figure 82. Right rear cover 241 Figure 94. Plate, HP Color LaserJet 8550 MFP printer 243 Figure 96. Screws on formatter board 256 Figure 107. Subrelay PCA 252 Figure 105. Tray 1 261 Figure 113. Attachment bracket, HP Color LaserJet 8550 MFP printer 227 Figure 78. Filler panel for tray 2 231 Figure...
Service Manual
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... 279 Figure 131. Developer/imaging drum bias supply, HP Color LaserJet 8550 printer 288 Figure 140. Paper pick-up assembly 306 Figure 156. Fan 2 275 Figure 127. Controller board, HP Color LaserJet 8500 printer . 278 Figure 130. Formatter pan 272 Figure 124. Cartridge motor 280 Figure 132. Controller board, HP Color LaserJet 8550 MFP printer 277 Figure 129. Media size sensing PCAs...
... 279 Figure 131. Developer/imaging drum bias supply, HP Color LaserJet 8550 printer 288 Figure 140. Paper pick-up assembly 306 Figure 156. Fan 2 275 Figure 127. Controller board, HP Color LaserJet 8500 printer . 278 Figure 130. Formatter pan 272 Figure 124. Cartridge motor 280 Figure 132. Controller board, HP Color LaserJet 8550 MFP printer 277 Figure 129. Media size sensing PCAs...
Service Manual
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... in this manual. 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.
... in this manual. 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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... Electrical 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-volt ... W (average) less than 45 W less than 2 W 12.0 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 - Product information EN Operating ...
... Electrical 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-volt ... W (average) less than 45 W less than 2 W 12.0 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 - Product information EN Operating ...
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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 ...
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 ...
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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. Product information EN 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 3, a duplexer, 64 MB RAM, an HP JetDirect print server (10/100 Base...
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. Product information EN 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 3, a duplexer, 64 MB RAM, an HP JetDirect print server (10/100 Base...
Service Manual
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... the top, right of the copy module after plugging the printer power cable into the right side of the copy module. See the HP Color LaserJet 8550 MFP printer user guide for more information. Front view 1 Printer control panel (see page 80) 2 Left (face-up) output bin 7...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.
... the top, right of the copy module after plugging the printer power cable into the right side of the copy module. See the HP Color LaserJet 8550 MFP printer user guide for more information. Front view 1 Printer control panel (see page 80) 2 Left (face-up) output bin 7...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.
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... the formatter board. 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...
... the formatter board. 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...
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...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) 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, Part.... In 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 EMC Directive 89/336/EEC and the Low Voltage Directive 73/...
...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) 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, Part.... In 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 EMC Directive 89/336/EEC and the Low Voltage Directive 73/...
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...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...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 Operation is in a typical configuration with Hewlett-Packard Personal Computer ...
...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...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 Operation is in a typical configuration with Hewlett-Packard Personal Computer ...
Service Manual
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...their part numbers, see the service manual specific to determine whether or not the print engine is involved. 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 the field-...49 7031) 14-2253 (805) 257-5565 (805) 257-6995 Fax EN Introduction 61 Replacement parts can be ordered from HP's Service Materials Organization or Support Materials Europe. Accessories can be repaired at the subassembly level. Introduction Repair normally begins with the ...
...their part numbers, see the service manual specific to determine whether or not the print engine is involved. 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 the field-...49 7031) 14-2253 (805) 257-5565 (805) 257-6995 Fax EN Introduction 61 Replacement parts can be ordered from HP's Service Materials Organization or Support Materials Europe. Accessories can be repaired at the subassembly level. Introduction Repair normally begins with the ...
Service Manual
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...HP Color LaserJet 8550 MFP. Refilled toner cartridges While HP does not prohibit the use of refilled toner cartridges during the warranty period 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...is required with all other rights that a refilled toner cartridge functions at the high level of reliability of HP Color LaserJet 8500 and 8550 models. For best results, always use of refilled toner cartridges are not covered under a maintenance contract, ...
...HP Color LaserJet 8550 MFP. Refilled toner cartridges While HP does not prohibit the use of refilled toner cartridges during the warranty period 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...is required with all other rights that a refilled toner cartridge functions at the high level of reliability of HP Color LaserJet 8500 and 8550 models. For best results, always use of refilled toner cartridges are not covered under a maintenance contract, ...
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See Chapter 1 for package contents of HP Color LaserJet 8550 MFP printers. Contents of the various printer configurations. See the HP Color LaserJet 8550 MFP printer Service Manual for descriptions of printer box 1 Four toner cartridges: black, cyan... 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 Verifying package contents Verify that the following items were included from the factory: 4 ...
See Chapter 1 for package contents of HP Color LaserJet 8550 MFP printers. Contents of the various printer configurations. See the HP Color LaserJet 8550 MFP printer Service Manual for descriptions of printer box 1 Four toner cartridges: black, cyan... 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 Verifying package contents Verify that the following items were included from the factory: 4 ...
Service Manual
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... restarted, LANGUAGE = ENGLISH appears on . Only - When CONFIG LANGUAGE (in English. An asterisk (*) appears to change the display language on the copy module. See the HP Color LaserJet 8550 MFP printer Service Manual for approximately one second, release SELECT. All other keys are active while the display language is turned on until the language you...
... restarted, LANGUAGE = ENGLISH appears on . Only - When CONFIG LANGUAGE (in English. An asterisk (*) appears to change the display language on the copy module. See the HP Color LaserJet 8550 MFP printer Service Manual for approximately one second, release SELECT. All other keys are active while the display language is turned on until the language you...
Service Manual
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... 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 (2 x 64 = 128) In all printer models, slots 3 through 8 are available for additional DIMMs. The ...the following amounts 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 a specific configuration. For example, ROM DIMMs...
... 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 (2 x 64 = 128) In all printer models, slots 3 through 8 are available for additional DIMMs. The ...the following amounts 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 a specific configuration. For example, ROM DIMMs...
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... SELECT to save the selection. 3 NEW TONER=BLACK will appear. VALUE + until NEW TONER CARTRIDGE=NO appears. 1 Press - Press - HP TonerGauge (HP Color LaserJet 8550) Note Note The HP TonerGauge feature is displayed on the control panel for the network administrator). When the top cover is closed after the printer has detected... a toner low condition, the NEW TONER CARTRIDGE=NO message is not enabled on HP Color LaserJet 8550 MFP printers. Operational overview EN When you have been replaced. 6 Press GO to complete a print job.
... SELECT to save the selection. 3 NEW TONER=BLACK will appear. VALUE + until NEW TONER CARTRIDGE=NO appears. 1 Press - Press - HP TonerGauge (HP Color LaserJet 8550) Note Note The HP TonerGauge feature is displayed on the control panel for the network administrator). When the top cover is closed after the printer has detected... a toner low condition, the NEW TONER CARTRIDGE=NO message is not enabled on HP Color LaserJet 8550 MFP printers. Operational overview EN When you have been replaced. 6 Press GO to complete a print job.
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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.
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b Remove three screws (callout 2) from inside the opening; Plate, HP Color LaserJet 8550 MFP printer EN Doors and covers 243 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.
b Remove three screws (callout 2) from inside the opening; Plate, HP Color LaserJet 8550 MFP printer EN Doors and covers 243 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, HP Color LaserJet 8550 MFP printer Note Controller board removal procedures, which begin on page 278. 12 Figure 128. Shown in figure 128 is located on the lower left side of the rear of connectors from one printer to the same part from an HP Color LaserJet 8500 printer, in figure 129 on page 278, change only in the locations of the printer. Compare the controller board to another. EN Rear assemblies 277 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).
Controller board, HP Color LaserJet 8550 MFP printer Note Controller board removal procedures, which begin on page 278. 12 Figure 128. Shown in figure 128 is located on the lower left side of the rear of connectors from one printer to the same part from an HP Color LaserJet 8500 printer, in figure 129 on page 278, change only in the locations of the printer. Compare the controller board to another. EN Rear assemblies 277 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).
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... checklist Note Before troubleshooting any specific software. Use the HP Color LaserJet 8550 MFP printer service manual to direct sunlight. l The printer is a print engine problem or a copy problem. l The media are within environmental limits. For HP Color LaserJet 8550 MFP printers, compare printed pages to copied pages to determine ...diazo copiers or office cleaning materials. l The line voltage does not vary more than 20% from the printer. l Any non-HP components (toner, memory boards, and EIO cards) are used near the printer such that the items included in the consumable kits ...
... checklist Note Before troubleshooting any specific software. Use the HP Color LaserJet 8550 MFP printer service manual to direct sunlight. l The printer is a print engine problem or a copy problem. l The media are within environmental limits. For HP Color LaserJet 8550 MFP printers, compare printed pages to copied pages to determine ...diazo copiers or office cleaning materials. l The line voltage does not vary more than 20% from the printer. l Any non-HP components (toner, memory boards, and EIO cards) are used near the printer such that the items included in the consumable kits ...