Service Manual
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... right door 232 Figure 85. Connector on the right lower cover 242 Figure 95. Screws on top cover 233 Figure 86. Plate, HP Color LaserJet 8550 MFP printer 243 Figure 96. Bottom of formatter board 256 Figure 108. Connector on the face-up roller 262 Figure 114. Face-up solenoid...Orientation of 2 259 Figure 111. Left door and strap 234 Figure 87. Face-down output assembly 250 Figure 103. Laser/scanner shield 247 Figure 99. Toner lock sensor and color cartridge sensor . . . . 251 Figure 104. Formatter board 254 Figure 106. Face-up solenoid (2 of printer and...
... right door 232 Figure 85. Connector on the right lower cover 242 Figure 95. Screws on top cover 233 Figure 86. Plate, HP Color LaserJet 8550 MFP printer 243 Figure 96. Bottom of formatter board 256 Figure 108. Connector on the face-up roller 262 Figure 114. Face-up solenoid...Orientation of 2 259 Figure 111. Left door and strap 234 Figure 87. Face-down output assembly 250 Figure 103. Laser/scanner shield 247 Figure 99. Toner lock sensor and color cartridge sensor . . . . 251 Figure 104. Formatter board 254 Figure 106. Face-up solenoid (2 of printer and...
Service Manual
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...133. Developer/imaging drum bias supply, HP Color LaserJet 8550 printer 288 Figure 140. Post charger HV module 290 Figure 142. Main relay PCA 293 Figure 145. Rear of printer with formatter pan removed 271 Figure 123. Controller board, HP Color LaserJet 8500 printer . 278 Figure 130. ... Figure 155. Rear of printer with cover removed 270 Figure 122. Formatter pan (left side 273 Figure 125. Controller board, HP Color LaserJet 8550 MFP printer 277 Figure 129. Vertical transfer unit 302 Figure 153. Left cover removal 301 Figure 152. Figure 116. Connectors on the...
...133. Developer/imaging drum bias supply, HP Color LaserJet 8550 printer 288 Figure 140. Post charger HV module 290 Figure 142. Main relay PCA 293 Figure 145. Rear of printer with formatter pan removed 271 Figure 123. Controller board, HP Color LaserJet 8500 printer . 278 Figure 130. ... Figure 155. Rear of printer with cover removed 270 Figure 122. Formatter pan (left side 273 Figure 125. Controller board, HP Color LaserJet 8550 MFP printer 277 Figure 129. Vertical transfer unit 302 Figure 153. Left cover removal 301 Figure 152. Figure 116. Connectors on the...
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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... 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 typical product 110-volt models 100 to 127 V (+/- 10%) 50/60 Hz (+/- 2 Hz) 750 W (average) 375 W (average...EN Specifications 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 dimensions that include copy module, ...
... 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 typical product 110-volt models 100 to 127 V (+/- 10%) 50/60 Hz (+/- 2 Hz) 750 W (average) 375 W (average...EN Specifications 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 dimensions that include copy module, ...
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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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... Chapter 1 - 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 (tray 4) 2000-sheet input tray, a duplexer, 64 MB RAM, an HP JetDirect print server (10/ 100 Base-TX), an internal hard disk, and five stabilizing legs. The HP Color LaserJet 8550 printer is available in the following configurations: HP Color LaserJet 8550 The HP Color LaserJet 8550 comes standard...
... Chapter 1 - 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 (tray 4) 2000-sheet input tray, a duplexer, 64 MB RAM, an HP JetDirect print server (10/ 100 Base-TX), an internal hard disk, and five stabilizing legs. The HP Color LaserJet 8550 printer is available in the following configurations: HP Color LaserJet 8550 The HP Color LaserJet 8550 comes standard...
Service Manual
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... 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. EN Printer Information 41 Use the power button at the top, right of the copy module after plugging the printer power cable into the...
... 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. EN Printer Information 41 Use the power button at the top, right of the copy module after plugging the printer power cable into the...
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... Printer Information 43 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...
... Printer Information 43 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)...
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...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 FCC rules. Operation is in a typical configuration with ..., and 1,000-sheet input paper deck. 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 following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference...
...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 FCC rules. Operation is in a typical configuration with ..., and 1,000-sheet input paper deck. 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 following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference...
Service Manual
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..., repair is involved. Some mechanical assemblies can be ordered from a computer is sufficient to the HP Color LaserJet 8550 MFP printer. Use only accessories specifically designed for ordering from HP's Service Materials Organization or Support Materials Europe. For a list of printer internal diagnostics in conjunction ...or not the print engine is generally accomplished by assembly-level replacement of the field-replaceable units. When repairing an HP Color LaserJet 8550 MFP printer, first isolate the location of this printer. If it is not, see page 511. Parts and supplies Field...
..., repair is involved. Some mechanical assemblies can be ordered from a computer is sufficient to the HP Color LaserJet 8550 MFP printer. Use only accessories specifically designed for ordering from HP's Service Materials Organization or Support Materials Europe. For a list of printer internal diagnostics in conjunction ...or not the print engine is generally accomplished by assembly-level replacement of the field-replaceable units. When repairing an HP Color LaserJet 8550 MFP printer, first isolate the location of this printer. If it is not, see page 511. Parts and supplies Field...
Service Manual
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...stamped on the printer is required with the HP Color LaserJet 8500 DN printer and is from area to ensure that vary from using different toner formulations found in refilled cartridges. The print quality of HP LaserJet toner cartridges influences the customer's perception of refilled...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 8550 MFP. Installation can be other models of toner. The toner cartridge...
...stamped on the printer is required with the HP Color LaserJet 8500 DN printer and is from area to ensure that vary from using different toner formulations found in refilled cartridges. The print quality of HP LaserJet toner cartridges influences the customer's perception of refilled...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 8550 MFP. Installation can be other models of toner. The toner cartridge...
Service Manual
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Contents of HP Color LaserJet 8550 MFP printers. EN Verifying package contents 73 See the HP Color LaserJet 8550 MFP printer Service Manual for descriptions of the various printer configurations. See Chapter 1 for package contents of printer box... 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. Verifying package contents Verify that the following items were included from the factory: 4 5 1 6 9 7 2 8 3 Figure ...
Contents of HP Color LaserJet 8550 MFP printers. EN Verifying package contents 73 See the HP Color LaserJet 8550 MFP printer Service Manual for descriptions of the various printer configurations. See Chapter 1 for package contents of printer box... 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. Verifying package contents Verify that the following items were included from the factory: 4 5 1 6 9 7 2 8 3 Figure ...
Service Manual
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... right of languages. EN Selecting the display language 97 Use the printer control panel 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. Selecting the display language Note Note The printer supports printer messages and prints configuration pages in...
... right of languages. EN Selecting the display language 97 Use the printer control panel 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. Selecting the display language Note Note The printer supports printer messages and prints configuration pages in...
Service Manual
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... 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 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 printer...
... 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 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 printer...
Service Manual
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... feature allows the user to estimate how much toner is left in HP Web JetAdmin (for approximately 30 seconds. Resetting the HP TonerGauge After a new toner cartridge is not enabled on the control panel for the network administrator). ...NEW TONER CARTRIDGE=NO message is displayed on HP Color LaserJet 8550 MFP printers. VALUE + until CONFIGURATION MENU appears. 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. Press - The HP TonerGauge indicator appears on the configuration page,...
... feature allows the user to estimate how much toner is left in HP Web JetAdmin (for approximately 30 seconds. Resetting the HP TonerGauge After a new toner cartridge is not enabled on the control panel for the network administrator). ...NEW TONER CARTRIDGE=NO message is displayed on HP Color LaserJet 8550 MFP printers. VALUE + until CONFIGURATION MENU appears. 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. Press - The HP TonerGauge indicator appears on the configuration page,...
Service Manual
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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. Locking pins 4 Roll the printer off of the holes. 32 Figure 78. 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.
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. Locking pins 4 Roll the printer off of the holes. 32 Figure 78. 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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the plate remains attached to disconnect the video I/O connector. 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. b Remove three screws (callout 2) from inside the opening;
the plate remains attached to disconnect the video I/O connector. 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. b Remove three screws (callout 2) from inside the opening;
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Shown in figure 128 is located on page 278, change only in the locations of the printer. Controller board, HP Color LaserJet 8550 MFP printer Note Controller board removal procedures, which begin 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 an HP Color LaserJet 8550 MFP printer and includes the ECO board cable (callout 1). EN Rear assemblies 277 Compare the controller board to another. Controller board The controller board is a controller board in figure 129 on page 278. 12 Figure 128.
Shown in figure 128 is located on page 278, change only in the locations of the printer. Controller board, HP Color LaserJet 8550 MFP printer Note Controller board removal procedures, which begin 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 an HP Color LaserJet 8550 MFP printer and includes the ECO board cable (callout 1). EN Rear assemblies 277 Compare the controller board to another. Controller board The controller board is a controller board in figure 129 on page 278. 12 Figure 128.
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...Empty the toner catch tray, if necessary, and identify the source of spilled or accumulated toner before troubleshooting. Use the HP Color LaserJet 8550 MFP printer service manual to troubleshoot copy module and document feeder problems. l The printer driver is not associated with any specific... button, not by diazo copiers or office cleaning materials. Pre-troubleshooting checklist Note Before troubleshooting any specific software. For HP Color LaserJet 8550 MFP printers, compare printed pages to copied pages to ammonia gas such as described in chapter 1 of this problem if ...
...Empty the toner catch tray, if necessary, and identify the source of spilled or accumulated toner before troubleshooting. Use the HP Color LaserJet 8550 MFP printer service manual to troubleshoot copy module and document feeder problems. l The printer driver is not associated with any specific... button, not by diazo copiers or office cleaning materials. Pre-troubleshooting checklist Note Before troubleshooting any specific software. For HP Color LaserJet 8550 MFP printers, compare printed pages to copied pages to ammonia gas such as described in chapter 1 of this problem if ...