Service Manual
Page 7
...Laser beam exposure 72 Step 3: Developing...73 Step 4: Transfer...73 Step 5: Separation...74 Step 6: Fusing...74 Step 7: Drum cleaning...75 Print cartridge memory system 76 6 Removal and replacement Chapter contents...77 Introduction ...78 Removal and replacement strategy 78 Electrostatic discharge ...78 User-replaceable...124 Tray 2 solenoid...125 E-label reader (memory tag 126 Face-down-roller shaft...128 Cartridge door...130 Transfer roller...133 Registration assembly...134 Tray 1 pickup roller...137 Tray 2 pickup roller...138 Separation pad...140 7 Troubleshooting Chapter contents...141 v
...Laser beam exposure 72 Step 3: Developing...73 Step 4: Transfer...73 Step 5: Separation...74 Step 6: Fusing...74 Step 7: Drum cleaning...75 Print cartridge memory system 76 6 Removal and replacement Chapter contents...77 Introduction ...78 Removal and replacement strategy 78 Electrostatic discharge ...78 User-replaceable...124 Tray 2 solenoid...125 E-label reader (memory tag 126 Face-down-roller shaft...128 Cartridge door...130 Transfer roller...133 Registration assembly...134 Tray 1 pickup roller...137 Tray 2 pickup roller...138 Separation pad...140 7 Troubleshooting Chapter contents...141 v
Service Manual
Page 91
... contents Chapter contents...77 Introduction ...78 Removal and replacement strategy 78 Electrostatic discharge ...78 User-replaceable parts ...78 Required tools ...78 Before performing service ...79 Pre-service procedures ...79 Parts removal order ...80 Covers...81 Right-......92 Formatter...94 Fuser...98 Laser/scanner...103 Right-side handle...106 ECU...108 Access plate...114 Power supply...115 Gear assembly...120 Tray 1 solenoid...124 Tray 2 solenoid...125 E-label reader (memory tag 126 Face-down-roller shaft...128 Cartridge door...130 Transfer roller...133 Registration assembly...134 Tray ...
... contents Chapter contents...77 Introduction ...78 Removal and replacement strategy 78 Electrostatic discharge ...78 User-replaceable parts ...78 Required tools ...78 Before performing service ...79 Pre-service procedures ...79 Parts removal order ...80 Covers...81 Right-......92 Formatter...94 Fuser...98 Laser/scanner...103 Right-side handle...106 ECU...108 Access plate...114 Power supply...115 Gear assembly...120 Tray 1 solenoid...124 Tray 2 solenoid...125 E-label reader (memory tag 126 Face-down-roller shaft...128 Cartridge door...130 Transfer roller...133 Registration assembly...134 Tray ...
Service Manual
Page 92
... on the product. CAUTION Electrostatic discharge The product contains parts that are sensitive to ESD. Watch for difficult or critical replacement procedures are needed to service this product: ● #2 Phillips screwdriver with other internal components and can be difficult to... its original location during reassembly. CAUTION User-replaceable parts To remove and replace the pickup roller or separation pad, see Separation pad. Required tools The following tools are included. The sheet-metal edges ...
... on the product. CAUTION Electrostatic discharge The product contains parts that are sensitive to ESD. Watch for difficult or critical replacement procedures are needed to service this product: ● #2 Phillips screwdriver with other internal components and can be difficult to... its original location during reassembly. CAUTION User-replaceable parts To remove and replace the pickup roller or separation pad, see Separation pad. Required tools The following tools are included. The sheet-metal edges ...
Service Manual
Page 94
Parts removal order Use the following diagram to determine which parts must be removed before removing other parts. Transfer roller Print cartridge Tray 2 Tray 2 pickup roller Separation pad Right cover Formatter Right side handle Back cover Cartridge door Registration assembly Duplexer pan Fuser Laser/scanner I/O cover Left side cover Top right cover Top cover Front right cover Control panel E-label reader Face-down roller Shaft ECU Power supply Gear assembly Tray 1 solenoid Tray 2 solenoid Parts removal diagram 80 Chapter 6 Removal and replacement ENWW Figure 6-1.
Parts removal order Use the following diagram to determine which parts must be removed before removing other parts. Transfer roller Print cartridge Tray 2 Tray 2 pickup roller Separation pad Right cover Formatter Right side handle Back cover Cartridge door Registration assembly Duplexer pan Fuser Laser/scanner I/O cover Left side cover Top right cover Top cover Front right cover Control panel E-label reader Face-down roller Shaft ECU Power supply Gear assembly Tray 1 solenoid Tray 2 solenoid Parts removal diagram 80 Chapter 6 Removal and replacement ENWW Figure 6-1.
Service Manual
Page 142
Rotate the bushings (callout 1) at both ends of the face-down -roller shaft (1 of 2) 128 Chapter 6 Removal and replacement ENWW Removing the face-down -roller shaft so that they point in a horizontal direction. Figure 6-49. Face-down-roller shaft 1. Remove the right-side cover (see Right-side cover), the back cover (see Back cover), the I/O cover (see I/O cover), the left-side cover (see Left-side cover), the top, right cover (see Top, right cover), and the top cover (see Top cover). 2.
Rotate the bushings (callout 1) at both ends of the face-down -roller shaft (1 of 2) 128 Chapter 6 Removal and replacement ENWW Removing the face-down -roller shaft so that they point in a horizontal direction. Figure 6-49. Face-down-roller shaft 1. Remove the right-side cover (see Right-side cover), the back cover (see Back cover), the I/O cover (see I/O cover), the left-side cover (see Left-side cover), the top, right cover (see Top, right cover), and the top cover (see Top cover). 2.
Service Manual
Page 152
Remove the left-side bushing by sliding the bushing to remove any optional-tray pickup rollers. 1. Tray 2 pickup roller NOTE Also follow these instructions to the left until they clear the hole in the right-side bushing, and then lift the right end of 2) 2. Figure 6-59. Slide the roller and shaft toward the left . 3. Removing the tray 2 pickup roller (1 of the shaft. 138 Chapter 6 Removal and replacement ENWW Rotate the bushings (callout 1) on each side of the roller.
Remove the left-side bushing by sliding the bushing to remove any optional-tray pickup rollers. 1. Tray 2 pickup roller NOTE Also follow these instructions to the left until they clear the hole in the right-side bushing, and then lift the right end of 2) 2. Figure 6-59. Slide the roller and shaft toward the left . 3. Removing the tray 2 pickup roller (1 of the shaft. 138 Chapter 6 Removal and replacement ENWW Rotate the bushings (callout 1) on each side of the roller.
Service Manual
Page 188
... life of media that remain in a controlled environment. Loose toner might remain in the duplexer area) Find and remove the jammed media by the internal rollers from tray 2, tray 3, or tray 4. The media should clear after a jam. The print media is heavier than 120 g/m2 (32 lb), it might ... embossed. If the media is perforated or If the media does not separate easily, you to replace supplies, or print a supplies status page to models that include a duplexer) (see Clearing jams in the printer after a few sheets have reached the end of the jam is not picked up correctly from ...
... life of media that remain in a controlled environment. Loose toner might remain in the duplexer area) Find and remove the jammed media by the internal rollers from tray 2, tray 3, or tray 4. The media should clear after a jam. The print media is heavier than 120 g/m2 (32 lb), it might ... embossed. If the media is perforated or If the media does not separate easily, you to replace supplies, or print a supplies status page to models that include a duplexer) (see Clearing jams in the printer after a few sheets have reached the end of the jam is not picked up correctly from ...
Service Manual
Page 195
... separation-pad assembly. Flex the media stack before loading it into the printer. Replace the tray. The separation rollers in this section to identify and resolve the problem. Remove some of the media and resend the print job. ENWW Media ... Solution The tray 1 separation pad is defective. The spring pushing the separation roller or pad is loaded in tray 1. Do not fan the media. Replace the spring. Too much media (particularly envelopes) is defective. Replace the rollers. Media handling problems If media is feeding incorrectly, use the information in the...
... separation-pad assembly. Flex the media stack before loading it into the printer. Replace the tray. The separation rollers in this section to identify and resolve the problem. Remove some of the media and resend the print job. ENWW Media ... Solution The tray 1 separation pad is defective. The spring pushing the separation roller or pad is loaded in tray 1. Do not fan the media. Replace the spring. Too much media (particularly envelopes) is defective. Replace the rollers. Media handling problems If media is feeding incorrectly, use the information in the...
Service Manual
Page 196
... registration assembly (see Fuser). If the registration arm is defective. Solution Replace the fuser (see Registration assembly. Table 7-6. Run several cleaning pages through the printer. Tray 2 is dirty, clean it. Solution Clean or replace the rollers. Replace the affected roller. Pages are worn irregularly. Causes for skewed pages Cause Paper dust or dirt has accumulated on...
... registration assembly (see Fuser). If the registration arm is defective. Solution Replace the fuser (see Registration assembly. Table 7-6. Run several cleaning pages through the printer. Tray 2 is dirty, clean it. Solution Clean or replace the rollers. Replace the affected roller. Pages are worn irregularly. Causes for skewed pages Cause Paper dust or dirt has accumulated on...
Service Manual
Page 217
...print cartridge. 7. Verify that the print cartridge is too moist or too rough). The toner level in the printer driver. 3. Replace the transfer roller (see Power supply. Light print (entire page) 1. The print cartridge might be low. Open the Configure ...HP specifications (for example, the paper is fully installed. 2. Replace the print cartridge. 6. See the user guide. 4. The power supply might be defective or installed incorrectly. The transfer roller might be almost empty. Light print (partial page) 1. Replace the power supply (see Transfer roller...
...print cartridge. 7. Verify that the print cartridge is too moist or too rough). The toner level in the printer driver. 3. Replace the transfer roller (see Power supply. Light print (entire page) 1. The print cartridge might be low. Open the Configure ...HP specifications (for example, the paper is fully installed. 2. Replace the print cartridge. 6. See the user guide. 4. The power supply might be defective or installed incorrectly. The transfer roller might be almost empty. Light print (partial page) 1. Replace the power supply (see Transfer roller...
Service Manual
Page 218
Check the print cartridge for the printer are using a dry, lint-free cloth. Replace the fuser Fuser. If the paper is leaking, replace it. 5. Fuser rollers might be required if the fuser is very dirty). Run a cleaning page (several pages might be defective. Change the setting ...to HIGH 1 or HIGH 2, which helps the toner fuse more pages to clean the fuser. (See Cleaning the printer.) 3. If ...
Check the print cartridge for the printer are using a dry, lint-free cloth. Replace the fuser Fuser. If the paper is leaking, replace it. 5. Fuser rollers might be required if the fuser is very dirty). Run a cleaning page (several pages might be defective. Change the setting ...to HIGH 1 or HIGH 2, which helps the toner fuse more pages to clean the fuser. (See Cleaning the printer.) 3. If ...
Service Manual
Page 287
networks formatter, replacing 165 HP Jetdirect configuration page 152 HP Jetdirect page 168 HP Jetdirect print servers, models including 5 troubleshooting 167 noise specifications 10 non-HP print cartridges 53, 197 not responding, troubleshooting 171 NVRAM initialization 164 O oblique roller 63 on bypass 165 PPDs included 27 troubleshooting 214 pressure roller 63 Index 273 See bins P page count 49...
networks formatter, replacing 165 HP Jetdirect configuration page 152 HP Jetdirect page 168 HP Jetdirect print servers, models including 5 troubleshooting 167 noise specifications 10 non-HP print cartridges 53, 197 not responding, troubleshooting 171 NVRAM initialization 164 O oblique roller 63 on bypass 165 PPDs included 27 troubleshooting 214 pressure roller 63 Index 273 See bins P page count 49...
Service Manual
Page 288
... 146 stopped, troubleshooting 147 print quality, troubleshooting 201 Printer Dialog Extensions (PDEs), Macintosh 27 printer drivers. See drivers printer languages 5 Printer Status and Alerts 156 processor speed 5 ProRes 4 ... 134 regulatory statements 19 removing HP Toolbox 48 removing parts 78, 79 repeating defects, troubleshooting 207 repeating images, troubleshooting 212 replacing parts 78, 79 reset, ...cold 163 Resets menu 159 resolution features 4 troubleshooting quality 201 274 Index right-side cover locating 2 removing 81 right-side handle, removing 106 rollers...
... 146 stopped, troubleshooting 147 print quality, troubleshooting 201 Printer Dialog Extensions (PDEs), Macintosh 27 printer drivers. See drivers printer languages 5 Printer Status and Alerts 156 processor speed 5 ProRes 4 ... 134 regulatory statements 19 removing HP Toolbox 48 removing parts 78, 79 repeating defects, troubleshooting 207 repeating images, troubleshooting 212 replacing parts 78, 79 reset, ...cold 163 Resets menu 159 resolution features 4 troubleshooting quality 201 274 Index right-side cover locating 2 removing 81 right-side handle, removing 106 rollers...