Service Manual
Page 10
... cover...186 Control panel...187 Installing a new overlay (HP Color LaserJet 4600 models 189 Installing a new control-panel label (HP Color LaserJet 4650 models 190 Internal components...191 DC controller shield...191 Internal components (front 192 Paper pickup unit 192 Paper pickup sensor PCA 194 Cassette (tray 2) paper pickup rollers 195 Paper pickup drive unit 196 Multipurpose tray pickup roller and separation pad 197 Solenoids...199...
... cover...186 Control panel...187 Installing a new overlay (HP Color LaserJet 4600 models 189 Installing a new control-panel label (HP Color LaserJet 4650 models 190 Internal components...191 DC controller shield...191 Internal components (front 192 Paper pickup unit 192 Paper pickup sensor PCA 194 Cassette (tray 2) paper pickup rollers 195 Paper pickup drive unit 196 Multipurpose tray pickup roller and separation pad 197 Solenoids...199...
Service Manual
Page 11
... Optional 2 x 500-sheet paper feeder (tray 3/tray 4) (HP Color LaserJet 4650 only 243 2 x 500-sheet paper feeder front cover 243 2 x 500-sheet paper feeder rear cover 244 2 x 500-sheet paper feeder left cover 245 2 x 500-sheet paper feeder right cover 246 2 x 500-sheet paper feeder upper-cassette pickup assembly 247 2 x 500-sheet paper-feeder drive assembly 248 2 x 500-sheet paper-feeder feed sensor 249...
... Optional 2 x 500-sheet paper feeder (tray 3/tray 4) (HP Color LaserJet 4650 only 243 2 x 500-sheet paper feeder front cover 243 2 x 500-sheet paper feeder rear cover 244 2 x 500-sheet paper feeder left cover 245 2 x 500-sheet paper feeder right cover 246 2 x 500-sheet paper feeder upper-cassette pickup assembly 247 2 x 500-sheet paper-feeder drive assembly 248 2 x 500-sheet paper-feeder feed sensor 249...
Service Manual
Page 175
... The pickup/feed system picks media from the input trays and carries it is only available for the HP Color LaserJet 4600, 4600n, 4650, 4650n, and 4650dn models; The HP Color LaserJet 4650hdn has 2 x 500-sheet feeder (tray 3/tray 4) assembly. Switches detect the size of media along the paper path. Three photo sensors detect the progress of the media. The printer...
... The pickup/feed system picks media from the input trays and carries it is only available for the HP Color LaserJet 4600, 4600n, 4650, 4650n, and 4650dn models; The HP Color LaserJet 4650hdn has 2 x 500-sheet feeder (tray 3/tray 4) assembly. Switches detect the size of media along the paper path. Three photo sensors detect the progress of the media. The printer...
Service Manual
Page 263
...-cassette pickup assembly (callout 4). See 2 x 500-sheet paper feeder left cover. Figure 6-83 Remove the 2 x 500-sheet paper feeder upper-cassette pickup assembly (1 of 2) Figure 6-84 Remove the 2 x 500-sheet paper feeder upper-cassette pickup assembly (2 of 2) ENWW Optional 2 x 500-sheet paper feeder (tray 3/tray 4) (HP Color LaserJet 4650 only) 247 2 x 500-sheet paper feeder upper-cassette pickup assembly 1 Remove the following assemblies: ● 2 x 500-sheet paper feeder...
...-cassette pickup assembly (callout 4). See 2 x 500-sheet paper feeder left cover. Figure 6-83 Remove the 2 x 500-sheet paper feeder upper-cassette pickup assembly (1 of 2) Figure 6-84 Remove the 2 x 500-sheet paper feeder upper-cassette pickup assembly (2 of 2) ENWW Optional 2 x 500-sheet paper feeder (tray 3/tray 4) (HP Color LaserJet 4650 only) 247 2 x 500-sheet paper feeder upper-cassette pickup assembly 1 Remove the following assemblies: ● 2 x 500-sheet paper feeder...
Service Manual
Page 265
... (callout 4) and then remove the feed sensor (callout 5). Figure 6-87 Remove the 2 x 500-sheet paper-feeder feed sensor (1 of 2) Figure 6-88 Remove the 2 x 500-sheet paper-feeder feed sensor (2 of 2) ENWW Optional 2 x 500-sheet paper feeder (tray 3/tray 4) (HP Color LaserJet 4650 only) 249 2 x 500-sheet paper-feeder feed sensor 1 Remove the 2 x 500-sheet paper feeder upper cassette pickup assembly.
... (callout 4) and then remove the feed sensor (callout 5). Figure 6-87 Remove the 2 x 500-sheet paper-feeder feed sensor (1 of 2) Figure 6-88 Remove the 2 x 500-sheet paper-feeder feed sensor (2 of 2) ENWW Optional 2 x 500-sheet paper feeder (tray 3/tray 4) (HP Color LaserJet 4650 only) 249 2 x 500-sheet paper-feeder feed sensor 1 Remove the 2 x 500-sheet paper feeder upper cassette pickup assembly.
Service Manual
Page 315
... place. Table 7-4 Numerical printer messages (HP Color LaserJet 4600 models) (continued) Message Description Action JOB INTERRUPTED Discard top two sheets and press 13.XX.YY.JAM IN DUPLEX PATH For help press A jam exists in the duplex path. 1 Press for detailed information about clearing the jam. 2 Press and instructions. Replace the paper pickup assembly if necessary. 13.XX...
... place. Table 7-4 Numerical printer messages (HP Color LaserJet 4600 models) (continued) Message Description Action JOB INTERRUPTED Discard top two sheets and press 13.XX.YY.JAM IN DUPLEX PATH For help press A jam exists in the duplex path. 1 Press for detailed information about clearing the jam. 2 Press and instructions. Replace the paper pickup assembly if necessary. 13.XX...
Service Manual
Page 316
... is worn or damaged, replace it . 5 Replace the tray 2 pickup solenoid. 6 Replace the tray 2 pickup motor. 7 Replace the paper pickup assembly. 8 Replace the DC controller PCA. If it is jammed in tray 2. 1 Press for detailed information about clearing the jam. 2 Press and instructions. Table 7-4 Numerical printer messages (HP Color LaserJet 4600 models) (continued) Message Description Action 5 If the attaching roller...
... is worn or damaged, replace it . 5 Replace the tray 2 pickup solenoid. 6 Replace the tray 2 pickup motor. 7 Replace the paper pickup assembly. 8 Replace the DC controller PCA. If it is jammed in tray 2. 1 Press for detailed information about clearing the jam. 2 Press and instructions. Table 7-4 Numerical printer messages (HP Color LaserJet 4600 models) (continued) Message Description Action 5 If the attaching roller...
Service Manual
Page 322
...error: Check the connections. See Calibrate Now (HP Color LaserJet 4600 models). 20 color-plane-registration sensor 24 black toner-level sensor 54.20 error: Check the connection. Calibrate the printer. Replace the colorregistration detection assembly. 15 yellow CPR sensor 16 magenta CPR sensor ...: Check the connections. Replace the paper pickup unit. 10 black drum phase (home) position sensor 54.7, 54.8, 54.9, or 54.10 error: Check the 11 yellow density sensor connections. Replace the ETB. See Calibrate Now (HP Color LaserJet 4600 models). 306 Chapter 7 Troubleshooting ENWW...
...error: Check the connections. See Calibrate Now (HP Color LaserJet 4600 models). 20 color-plane-registration sensor 24 black toner-level sensor 54.20 error: Check the connection. Calibrate the printer. Replace the colorregistration detection assembly. 15 yellow CPR sensor 16 magenta CPR sensor ...: Check the connections. Replace the paper pickup unit. 10 black drum phase (home) position sensor 54.7, 54.8, 54.9, or 54.10 error: Check the 11 yellow density sensor connections. Replace the ETB. See Calibrate Now (HP Color LaserJet 4600 models). 306 Chapter 7 Troubleshooting ENWW...
Service Manual
Page 329
... the bottom of the ETB and make sure that the spring is turning correctly. ENWW Printer-error troubleshooting 313 Table 7-5 Numerical printer messages (HP Color LaserJet 4610n and 4650 models) (continued) Message Description Action 7 Replace the paper pickup assembly (for tray 2). 8 Replace the tray X paper feeder PCA (for detailed information about clearing the jam. 2 Press and to step through...
... the bottom of the ETB and make sure that the spring is turning correctly. ENWW Printer-error troubleshooting 313 Table 7-5 Numerical printer messages (HP Color LaserJet 4610n and 4650 models) (continued) Message Description Action 7 Replace the paper pickup assembly (for tray 2). 8 Replace the tray X paper feeder PCA (for detailed information about clearing the jam. 2 Press and to step through...
Service Manual
Page 331
... top cover 2 Press and to step through the instructions. 3 Check that the fuser paper sensor is defective, replace it. 4 Replace the fuser. Table 7-5 Numerical printer messages (HP Color LaserJet 4610n and 4650 models) (continued) Message Description Action 13.20.00 JAM IN TOP ... 1 Press for detailed information about clearing the jam. ENWW Printer-error troubleshooting 315 If it . 4 Clean or replace the separation pad. 5 Replace the tray 1 pickup solenoid. 6 Replace the tray 1 pickup motor. 7 Replace the paper pickup assembly. 8 Replace the DC controller PCA. For help press A ...
... top cover 2 Press and to step through the instructions. 3 Check that the fuser paper sensor is defective, replace it. 4 Replace the fuser. Table 7-5 Numerical printer messages (HP Color LaserJet 4610n and 4650 models) (continued) Message Description Action 13.20.00 JAM IN TOP ... 1 Press for detailed information about clearing the jam. ENWW Printer-error troubleshooting 315 If it . 4 Clean or replace the separation pad. 5 Replace the tray 1 pickup solenoid. 6 Replace the tray 1 pickup motor. 7 Replace the paper pickup assembly. 8 Replace the DC controller PCA. For help press A ...
Service Manual
Page 337
...HP Color LaserJet 4610n printer has only one DIMM slot. Replace the color registration detection assembly. 8 magenta drum phase (home) position sensor 9 cyan drum phase (home) position sensor 10 black drum phase (home) position sensor 54.5 error: Check the connections. Replace the color registration detection assembly. 54.6 error: Check the connections. Replace the paper pickup... phase (home) position sensor 54.3 error: Check the connections. Table 7-5 Numerical printer messages (HP Color LaserJet 4610n and 4650 models) (continued) Message Description Action 53.XY.ZZ CHECK RAM ...
...HP Color LaserJet 4610n printer has only one DIMM slot. Replace the color registration detection assembly. 8 magenta drum phase (home) position sensor 9 cyan drum phase (home) position sensor 10 black drum phase (home) position sensor 54.5 error: Check the connections. Replace the color registration detection assembly. 54.6 error: Check the connections. Replace the paper pickup... phase (home) position sensor 54.3 error: Check the connections. Table 7-5 Numerical printer messages (HP Color LaserJet 4610n and 4650 models) (continued) Message Description Action 53.XY.ZZ CHECK RAM ...
Service Manual
Page 348
... and the paper pickup assembly. Figure 7-2 2 x 500-sheet feeder (HP Color LaserJet 4650 models only) 1 Pickup area 2 Paper feed area Jam locations by error message Use Table 7-6 Error messages and associated jam locations table to identify jam locations and to help pinpoint and clear specific paper jams. See Figure 7-1 Jam locations (HP Color LaserJet 4600 Series printer) or Figure 7-2 2 x 500-sheet feeder (HP Color LaserJet 4650 models...
... and the paper pickup assembly. Figure 7-2 2 x 500-sheet feeder (HP Color LaserJet 4650 models only) 1 Pickup area 2 Paper feed area Jam locations by error message Use Table 7-6 Error messages and associated jam locations table to identify jam locations and to help pinpoint and clear specific paper jams. See Figure 7-1 Jam locations (HP Color LaserJet 4600 Series printer) or Figure 7-2 2 x 500-sheet feeder (HP Color LaserJet 4650 models...
Service Manual
Page 353
..., or if it is defective. The pickup motor is worn or damaged, replace the feed roller. Replace the paper pickup assembly. See Calibrate Now (HP Color LaserJet 4600 models) or Full Calibrate Now (HP Color LaserJet 4610n and 4650 models). If it is... still dirty after cleaning, or if it is dirty, worn, or damaged. If it is still dirty after replacing the DC controller. Replace the paper pickup drive assembly. Calibrate the printer...
..., or if it is defective. The pickup motor is worn or damaged, replace the feed roller. Replace the paper pickup assembly. See Calibrate Now (HP Color LaserJet 4600 models) or Full Calibrate Now (HP Color LaserJet 4610n and 4650 models). If it is... still dirty after cleaning, or if it is dirty, worn, or damaged. If it is still dirty after replacing the DC controller. Replace the paper pickup drive assembly. Calibrate the printer...
Service Manual
Page 354
...roller. Calibrate the printer after cleaning, or if it is worn or damaged, replace the feed roller. NOTE The HP Color LaserJet 4610n does not support tray 3 or tray 3/tray 4. The paper pickup assembly is worn or damaged. Replace the paper pickup assembly. Replace the DC ... 160 ohms, replace the cassette pickup solenoid. See Calibrate Now (HP Color LaserJet 4600 models) or Full Calibrate Now (HP Color LaserJet 4610n and 4650 models). The drive gears are damaged. The paper feeder pickup solenoid is defective. Replace the paper pickup drive assembly. If it is still dirty...
...roller. Calibrate the printer after cleaning, or if it is worn or damaged, replace the feed roller. NOTE The HP Color LaserJet 4610n does not support tray 3 or tray 3/tray 4. The paper pickup assembly is worn or damaged. Replace the paper pickup assembly. Replace the DC ... 160 ohms, replace the cassette pickup solenoid. See Calibrate Now (HP Color LaserJet 4600 models) or Full Calibrate Now (HP Color LaserJet 4610n and 4650 models). The drive gears are damaged. The paper feeder pickup solenoid is defective. Replace the paper pickup drive assembly. If it is still dirty...
Service Manual
Page 355
... occur before the registration roller.) replace the paper pickup assembly. Calibrate the printer after replacing the DC controller. The cartridge drive motor assembly is damaged. If the roller is in place. Replace the pickup PCA. Calibrate the printer after replacing the ETB. See Calibrate Now (HP Color LaserJet 4600 models) or Full Calibrate Now (HP Color LaserJet 4610n and 4650 models). Make sure that...
... occur before the registration roller.) replace the paper pickup assembly. Calibrate the printer after replacing the DC controller. The cartridge drive motor assembly is damaged. If the roller is in place. Replace the pickup PCA. Calibrate the printer after replacing the ETB. See Calibrate Now (HP Color LaserJet 4600 models) or Full Calibrate Now (HP Color LaserJet 4610n and 4650 models). Make sure that...
Service Manual
Page 357
...worn or damaged, replace the paper pickup assembly. The cartridge shutter open/close the ETB. Solution Clean the fuser inlet guide. NOTE The HP Color LaserJet 4610n does not support tray 3 or tray 3/tray 4. Make sure that the spring is set in which paper is crumpled into an accordion...the separation pad assembly. If the feed guide is feeding incorrectly, use the Print/Stop test in the printer. Also check for a damaged shutter mechanism in the Diagnostics menu. Table 7-14 Causes for multiple pages feeding. Solution Straighten the tabs on the HP Color LaserJet 4650 models....
...worn or damaged, replace the paper pickup assembly. The cartridge shutter open/close the ETB. Solution Clean the fuser inlet guide. NOTE The HP Color LaserJet 4610n does not support tray 3 or tray 3/tray 4. Make sure that the spring is set in which paper is crumpled into an accordion...the separation pad assembly. If the feed guide is feeding incorrectly, use the Print/Stop test in the printer. Also check for a damaged shutter mechanism in the Diagnostics menu. Table 7-14 Causes for multiple pages feeding. Solution Straighten the tabs on the HP Color LaserJet 4650 models....
Service Manual
Page 358
...Table 7-17 Causes for wrinkled or folded paper (part two: paper-path exit) (continued) Cause Solution The fuser pressure roller is damaged, replace the fuser. Paper is damaged, replace the paper pickup assembly. 342 Chapter 7 Troubleshooting ENWW Replace the paper pickup assembly. The cassette feed roller and registration roller... is damaged, replace the fuser. If the fuser sleeve is dirty or damaged. Straighten the tabs on the HP Color LaserJet 4650 models. NOTE The HP Color LaserJet 4610n does not support tray 3 or tray 3/tray 4. Tray 3/tray 4 is clean. Make sure that ...
...Table 7-17 Causes for wrinkled or folded paper (part two: paper-path exit) (continued) Cause Solution The fuser pressure roller is damaged, replace the fuser. Paper is damaged, replace the paper pickup assembly. 342 Chapter 7 Troubleshooting ENWW Replace the paper pickup assembly. The cassette feed roller and registration roller... is damaged, replace the fuser. If the fuser sleeve is dirty or damaged. Straighten the tabs on the HP Color LaserJet 4650 models. NOTE The HP Color LaserJet 4610n does not support tray 3 or tray 3/tray 4. Tray 3/tray 4 is clean. Make sure that ...
Service Manual
Page 370
... dirty after cleaning, replace the appropriate roller, cartridge, or assembly. Calibrate the printer after replacing the DC controller. See Calibrate Now (HP Color LaserJet 4600 models) or Full Calibrate Now (HP Color LaserJet 4610n and 4650 models). Calibrate the printer after replacing the DC controller. A poor contact exists in... and the print cartridge. Clean the roller. The DC controller PCA is dirty. The pickup roller is defective. Dirt on the back of the paper This table contains information about identifying the roller that might be dirty. See Repetitive defects ...
... dirty after cleaning, replace the appropriate roller, cartridge, or assembly. Calibrate the printer after replacing the DC controller. See Calibrate Now (HP Color LaserJet 4600 models) or Full Calibrate Now (HP Color LaserJet 4610n and 4650 models). Calibrate the printer after replacing the DC controller. A poor contact exists in... and the print cartridge. Clean the roller. The DC controller PCA is dirty. The pickup roller is defective. Dirt on the back of the paper This table contains information about identifying the roller that might be dirty. See Repetitive defects ...
Service Manual
Page 371
... the color of the paper (continued) Cause Solution LaserJet 4600 models) or Full Calibrate Now (HP Color LaserJet 4610n and 4650 models). The fuser sleeve has grooves around the circumference. Table 7-26 Causes for dirt on the back of the vertical lines. damaged. The pickup roller is...front of the paper Cause Solution One or more of and solutions for the color in which the white lines appear. Clean the roller. The photosensitive drum has grooves around the circumference. Calibrate the printer after cleaning, replace the pickup roller assembly. Solution Replace...
... the color of the paper (continued) Cause Solution LaserJet 4600 models) or Full Calibrate Now (HP Color LaserJet 4610n and 4650 models). The fuser sleeve has grooves around the circumference. Table 7-26 Causes for dirt on the back of the vertical lines. damaged. The pickup roller is...front of the paper Cause Solution One or more of and solutions for the color in which the white lines appear. Clean the roller. The photosensitive drum has grooves around the circumference. Calibrate the printer after cleaning, replace the pickup roller assembly. Solution Replace...
Service Manual
Page 477
Locations of major components Figure 8-1 Major components of the HP Color LaserJet 4600 Series printer 1 Fuser assembly 2 ETB assembly 3 Paper pickup assembly 4 Cassette 5 Paper pickup drive assembly 6 Disengaging drive assembly 7 Drum drive assembly (cyan/magenta) 8 Drum drive assembly (yellow) 9 Drum drive assembly (cyan/magenta) 10 Drum drive assembly (black) 11 Fuser drive assembly ENWW Illustrations and parts lists 461
Locations of major components Figure 8-1 Major components of the HP Color LaserJet 4600 Series printer 1 Fuser assembly 2 ETB assembly 3 Paper pickup assembly 4 Cassette 5 Paper pickup drive assembly 6 Disengaging drive assembly 7 Drum drive assembly (cyan/magenta) 8 Drum drive assembly (yellow) 9 Drum drive assembly (cyan/magenta) 10 Drum drive assembly (black) 11 Fuser drive assembly ENWW Illustrations and parts lists 461