Service Manual
Page 8
...-exposure 85 Step 2: primary charging 85 Step 3: laser-beam exposure 85 Developing stage ...85 Step 4: developing 86 Transfer stage ...86 Step 5: media feed 86 Step 6: image transfer 86 Step 7: separation from the drum 87 Step 8: separation from the ETB 87 Fusing stage ...87 Step 9: ...lower cover ...103 Left cover ...104 Right cover ...107 Rear upper cover ...111 Internal assemblies ...112 Formatter cage ...112 Electrostatic transfer belt (ETB 114 Fuser ...115 Print-cartridge drive motors 116 Fuser drive assembly ...117 Developing separation-drive assembly 119 Pickup-and-feed assembly...
...-exposure 85 Step 2: primary charging 85 Step 3: laser-beam exposure 85 Developing stage ...85 Step 4: developing 86 Transfer stage ...86 Step 5: media feed 86 Step 6: image transfer 86 Step 7: separation from the drum 87 Step 8: separation from the ETB 87 Fusing stage ...87 Step 9: ...lower cover ...103 Left cover ...104 Right cover ...107 Rear upper cover ...111 Internal assemblies ...112 Formatter cage ...112 Electrostatic transfer belt (ETB 114 Fuser ...115 Print-cartridge drive motors 116 Fuser drive assembly ...117 Developing separation-drive assembly 119 Pickup-and-feed assembly...
Service Manual
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Smearing ...215 Misplaced image ...215 Reversed color ...215 Snail tracks ...215 Repetitive-defects troubleshooting 216 Interface troubleshooting ...218 Communication checks ...218 EIO troubleshooting ...218 Secondary service menu ...219 ...components ...248 Paper-pickup drive assembly ...258 Developing separation-drive assembly 260 Fuser drive assembly ...262 Cassette (tray 2) ...264 Paper-pickup assembly ...266 Electrostatic transfer belt ...268 Multipurpose tray assembly (tray 1 270 Fuser ...272 PCAs ...274 500-sheet feeder cassette (tray 3 276 500-sheet feeder paper-pickup assembly 278...
Smearing ...215 Misplaced image ...215 Reversed color ...215 Snail tracks ...215 Repetitive-defects troubleshooting 216 Interface troubleshooting ...218 Communication checks ...218 EIO troubleshooting ...218 Secondary service menu ...219 ...components ...248 Paper-pickup drive assembly ...258 Developing separation-drive assembly 260 Fuser drive assembly ...262 Cassette (tray 2) ...264 Paper-pickup assembly ...266 Electrostatic transfer belt ...268 Multipurpose tray assembly (tray 1 270 Fuser ...272 PCAs ...274 500-sheet feeder cassette (tray 3 276 500-sheet feeder paper-pickup assembly 278...
Service Manual
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... Developing separation-drive assembly 261 Table 7-12 Fuser drive assembly ...263 Table 7-13 Cassette (tray 2) ...265 Table 7-14 Paper-pickup assembly ...267 Table 7-15 Electrostatic transfer belt ...269 Table 7-16 Multipurpose tray assembly (tray 1 271 Table 7-17 Fuser ...273 Table 7-18 PCAs ...275 Table 7-19 500-sheet feeder cassette (tray 3 277 Table...
... Developing separation-drive assembly 261 Table 7-12 Fuser drive assembly ...263 Table 7-13 Cassette (tray 2) ...265 Table 7-14 Paper-pickup assembly ...267 Table 7-15 Electrostatic transfer belt ...269 Table 7-16 Multipurpose tray assembly (tray 1 271 Table 7-17 Fuser ...273 Table 7-18 PCAs ...275 Table 7-19 500-sheet feeder cassette (tray 3 277 Table...
Service Manual
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... Developing separation-drive assembly 260 Figure 7-11 Fuser drive assembly ...262 Figure 7-12 Cassette (tray 2) ...264 Figure 7-13 Paper-pickup assembly ...266 Figure 7-14 Electrostatic transfer belt ...268 Figure 7-15 Multipurpose tray assembly (tray 1 270 Figure 7-16 Fuser ...272 Figure 7-17 PCAs ...274 Figure 7-18 500-sheet feeder cassette (tray 3 276 Figure...
... Developing separation-drive assembly 260 Figure 7-11 Fuser drive assembly ...262 Figure 7-12 Cassette (tray 2) ...264 Figure 7-13 Paper-pickup assembly ...266 Figure 7-14 Electrostatic transfer belt ...268 Figure 7-15 Multipurpose tray assembly (tray 1 270 Figure 7-16 Fuser ...272 Figure 7-17 PCAs ...274 Figure 7-18 500-sheet feeder cassette (tray 3 276 Figure...
Service Manual
Page 102
Transfer-belt cleaning These processes are divided into ten steps, which are shown in Figure 4-10 Image-formation steps on page 84 and described in the following ... formation 2. Each process functions independently and must be coordinated with the other processes. Figure 4-10 Image-formation steps 84 Chapter 4 Theory of operation ENWW Image transfer 4.
Transfer-belt cleaning These processes are divided into ten steps, which are shown in Figure 4-10 Image-formation steps on page 84 and described in the following ... formation 2. Each process functions independently and must be coordinated with the other processes. Figure 4-10 Image-formation steps 84 Chapter 4 Theory of operation ENWW Image transfer 4.
Service Manual
Page 110
...electrostatic discharge (ESD). This printer does not have sharp edges. WARNING! The sheet-metal parts can damage your eyes. HP does not support repairing individual subassemblies or troubleshooting to service the printer. The power must be disconnected during parts removal. Never... The printer shown in this chapter is slightly different than this warning is for difficult or critical replacement procedures. The electrostatic transfer belt (ETB) shown in ESD pouches when they are sensitive to the device. The reflected beam, although invisible, can have ...
...electrostatic discharge (ESD). This printer does not have sharp edges. WARNING! The sheet-metal parts can damage your eyes. HP does not support repairing individual subassemblies or troubleshooting to service the printer. The power must be disconnected during parts removal. Never... The printer shown in this chapter is slightly different than this warning is for difficult or critical replacement procedures. The electrostatic transfer belt (ETB) shown in ESD pouches when they are sensitive to the device. The reflected beam, although invisible, can have ...
Service Manual
Page 115
... information." External doors, covers, and panels Front cover This part is a different model, and has a fan mounted to the front-cover assembly. NOTE The electrostatic transfer belt (ETB) shown in the two blue ETB latch buttons (callout 1) and pull the ETB out of the printer. 1 Figure 5-4 Remove the front cover (1 of 7) ENWW...
... information." External doors, covers, and panels Front cover This part is a different model, and has a fan mounted to the front-cover assembly. NOTE The electrostatic transfer belt (ETB) shown in the two blue ETB latch buttons (callout 1) and pull the ETB out of the printer. 1 Figure 5-4 Remove the front cover (1 of 7) ENWW...
Service Manual
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Push in this model looks different. 1. Open the front cover. 2. The ETB for this chapter is for a different model printer. Electrostatic transfer belt (ETB) NOTE The electrostatic transfer belt (ETB) shown in the two blue latch buttons (callout 1) and pull the ETB out of the printer. 1 Figure 5-27 Remove the front ETB 114 Chapter 5 Removal and replacement ENWW
Push in this model looks different. 1. Open the front cover. 2. The ETB for this chapter is for a different model printer. Electrostatic transfer belt (ETB) NOTE The electrostatic transfer belt (ETB) shown in the two blue latch buttons (callout 1) and pull the ETB out of the printer. 1 Figure 5-27 Remove the front ETB 114 Chapter 5 Removal and replacement ENWW
Service Manual
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Remove two screws (callout 1) and the paper and registration sensor covers (callout 2). Paper and registration sensor covers 1. See Electrostatic transfer belt (ETB) on the covers. 1 2 Figure 5-91 Remove the paper and registration sensor covers ENWW Sensors 161 Open the front cover and remove the ETB. CAUTION Do not bend the locator tabs on page 114. 2.
Remove two screws (callout 1) and the paper and registration sensor covers (callout 2). Paper and registration sensor covers 1. See Electrostatic transfer belt (ETB) on the covers. 1 2 Figure 5-91 Remove the paper and registration sensor covers ENWW Sensors 161 Open the front cover and remove the ETB. CAUTION Do not bend the locator tabs on page 114. 2.
Service Manual
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...Table 6-26 Causes of repetitive defects Problem Area Primary charging roller Developing cylinder Registration roller (inside) Registration roller (outside) Transfer roller Fuser sleeve Photosensitive drum Fuser pressure roller Period of the ruler, replace the indicated part. 216 Chapter 6 Troubleshooting ... 216 to determine which roller, cylinder, or drum is longer than once on every other page, because the transfer belt is causing the defect. Repetitive defects for the transfer unit normally appear on the same page. NOTE Defects on the tray 2 pickup roller or the multipurpose-tray...
...Table 6-26 Causes of repetitive defects Problem Area Primary charging roller Developing cylinder Registration roller (inside) Registration roller (outside) Transfer roller Fuser sleeve Photosensitive drum Fuser pressure roller Period of the ruler, replace the indicated part. 216 Chapter 6 Troubleshooting ... 216 to determine which roller, cylinder, or drum is longer than once on every other page, because the transfer belt is causing the defect. Repetitive defects for the transfer unit normally appear on the same page. NOTE Defects on the tray 2 pickup roller or the multipurpose-tray...
Service Manual
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... cylinder 27mm Registration roller (inside) 35mm Registration roller (outside) 36mm Transfer roller (inside) 44mm Fuser sleeve 75mm Photo sensitive drum 76mm Fuser pressure roller 79mm Figure 6-2 Repetitive defect ruler NOTE Transfer unit defects usually appear on every other page because the transfer belt is longer than once on the type of media that is...
... cylinder 27mm Registration roller (inside) 35mm Registration roller (outside) 36mm Transfer roller (inside) 44mm Fuser sleeve 75mm Photo sensitive drum 76mm Fuser pressure roller 79mm Figure 6-2 Repetitive defect ruler NOTE Transfer unit defects usually appear on every other page because the transfer belt is longer than once on the type of media that is...
Service Manual
Page 255
7 Parts and diagrams ● Ordering parts and supplies ● External panels and covers ● Internal components ● Paper-pickup drive assembly ● Developing separation-drive assembly ● Fuser drive assembly ● Cassette (tray 2) ● Paper-pickup assembly ● Electrostatic transfer belt ● Multipurpose tray assembly (tray 1) ● Fuser ● PCAs ● 500-sheet feeder cassette (tray 3) ● 500-sheet feeder paper-pickup assembly ● 500-sheet feeder PCA ● Alphabetical parts list ● Numerical parts list ENWW 237
7 Parts and diagrams ● Ordering parts and supplies ● External panels and covers ● Internal components ● Paper-pickup drive assembly ● Developing separation-drive assembly ● Fuser drive assembly ● Cassette (tray 2) ● Paper-pickup assembly ● Electrostatic transfer belt ● Multipurpose tray assembly (tray 1) ● Fuser ● PCAs ● 500-sheet feeder cassette (tray 3) ● 500-sheet feeder paper-pickup assembly ● 500-sheet feeder PCA ● Alphabetical parts list ● Numerical parts list ENWW 237
Service Manual
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Electrostatic transfer belt Figure 7-14 Electrostatic transfer belt 268 Chapter 7 Parts and diagrams ENWW
Electrostatic transfer belt Figure 7-14 Electrostatic transfer belt 268 Chapter 7 Parts and diagrams ENWW
Service Manual
Page 287
Table 7-15 Electrostatic transfer belt Ref Description All Electrostatic transfer belt 6 Motor, DC (ETB) Part number Qty RM1-2759-040CN 1 RK2-0937-000CN 1 ENWW Electrostatic transfer belt 269
Table 7-15 Electrostatic transfer belt Ref Description All Electrostatic transfer belt 6 Motor, DC (ETB) Part number Qty RM1-2759-040CN 1 RK2-0937-000CN 1 ENWW Electrostatic transfer belt 269
Service Manual
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... 1 RM1-2581-000CN RC1-7546-000CN Duct, 2 RC1-7547-000CN Duct, 3 RC1-7548-000CN Duct, fan RC1-6632-000CN Electrostatic transfer belt RM1-2759-040CN Face-down tray assembly RM1-2777-000CN Fan RK2-0954-000CN Flag, developing estrangement (developing separation) RC1-6605-000CN Foot,...5) on page 257 Internal components (1 of 5) on page 249 Internal components (1 of 5) on page 249 Internal components (1 of 5) on page 249 Electrostatic transfer belt on page 269 External panels, and covers (2 of 2) on page 245 Internal components (1 of 5) on page 249 Internal components (2 of 5) on page ...
... 1 RM1-2581-000CN RC1-7546-000CN Duct, 2 RC1-7547-000CN Duct, 3 RC1-7548-000CN Duct, fan RC1-6632-000CN Electrostatic transfer belt RM1-2759-040CN Face-down tray assembly RM1-2777-000CN Fan RK2-0954-000CN Flag, developing estrangement (developing separation) RC1-6605-000CN Foot,...5) on page 257 Internal components (1 of 5) on page 249 Internal components (1 of 5) on page 249 Internal components (1 of 5) on page 249 Electrostatic transfer belt on page 269 External panels, and covers (2 of 2) on page 245 Internal components (1 of 5) on page 249 Internal components (2 of 5) on page ...
Service Manual
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... page 243 External panels and covers (1 of 2) on page 243 PCAs on page 275 PCAs on page 275 Internal components (3 of 5) on page 253 Electrostatic transfer belt on page 269 Internal components (3 of 5) on page 253 External panels and covers (1 of 2) on page 243 Multipurpose tray assembly (tray 1) on page 271 Internal...
... page 243 External panels and covers (1 of 2) on page 243 PCAs on page 275 PCAs on page 275 Internal components (3 of 5) on page 253 Electrostatic transfer belt on page 269 Internal components (3 of 5) on page 253 External panels and covers (1 of 2) on page 243 Multipurpose tray assembly (tray 1) on page 271 Internal...
Service Manual
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...-000CN Fuser cable assembly RM1-2600-000CN RM1-2603-000CN DC controller PCA assembly Cable, sensor 294 Chapter 7 Parts and diagrams Table and page Electrostatic transfer belt on page 269 Internal components (3 of 5) on page 253 Internal components (1 of 5) on page 249 Internal components (2 of 5) on page 251 Internal components (5 of 5) on...
...-000CN Fuser cable assembly RM1-2600-000CN RM1-2603-000CN DC controller PCA assembly Cable, sensor 294 Chapter 7 Parts and diagrams Table and page Electrostatic transfer belt on page 269 Internal components (3 of 5) on page 253 Internal components (1 of 5) on page 249 Internal components (2 of 5) on page 251 Internal components (5 of 5) on...
Service Manual
Page 314
...pad-holder assembly (500-sheet feeder) RM1-2743-000CN RM1-2757-000CN Fuser assembly 220V-240V Sensor, media assembly RM1-2759-040CN Electrostatic transfer belt RM1-2771-000CN Cartridge, guide, right assembly RM1-2773-000CN Drive-motor assembly, print-cartridge (K cartridge only) RM1-2774-000CN Paper-pickup...page 277 500-sheet feeder cassette (tray 3) on page 277 Fuser on page 273 500-sheet feeder paper-pickup assembly on page 279 Electrostatic transfer belt on page 269 Internal components (1 of 5) on page 249 Internal components (2 of 5) on page 251 Paper-pickup assembly on page 267 ...
...pad-holder assembly (500-sheet feeder) RM1-2743-000CN RM1-2757-000CN Fuser assembly 220V-240V Sensor, media assembly RM1-2759-040CN Electrostatic transfer belt RM1-2771-000CN Cartridge, guide, right assembly RM1-2773-000CN Drive-motor assembly, print-cartridge (K cartridge only) RM1-2774-000CN Paper-pickup...page 277 500-sheet feeder cassette (tray 3) on page 277 Fuser on page 273 500-sheet feeder paper-pickup assembly on page 279 Electrostatic transfer belt on page 269 Internal components (1 of 5) on page 249 Internal components (2 of 5) on page 251 Paper-pickup assembly on page 267 ...
Service Manual
Page 340
... batteries 316 distorted images, troubleshooting 214 documentation 239 dots, troubleshooting 210 downloading software HP Web Jetadmin 16 printing system 13 UNIX and Linux 13, 16 drive assemblies, removing...messages event log 193 error messages, control panel 180 error report 193 ETB (electrostatic transfer belt), removing 114 ETB separation stage 87 Event log 64 event-log messages 193 EWS.... warranty 310, 316 F factory defaults, restoring cold reset 223 NVRAM initialization 223 faded color, troubleshooting 208 faded images, troubleshooting 208 fans, removing main 142 FCC regulations 314 features...
... batteries 316 distorted images, troubleshooting 214 documentation 239 dots, troubleshooting 210 downloading software HP Web Jetadmin 16 printing system 13 UNIX and Linux 13, 16 drive assemblies, removing...messages event log 193 error messages, control panel 180 error report 193 ETB (electrostatic transfer belt), removing 114 ETB separation stage 87 Event log 64 event-log messages 193 EWS.... warranty 310, 316 F factory defaults, restoring cold reset 223 NVRAM initialization 223 faded color, troubleshooting 208 faded images, troubleshooting 208 fans, removing main 142 FCC regulations 314 features...
Service Manual
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...about 92 after service checklist 95 control panel 156 DC controller PCA 148 developing separation-drive assembly 119 driver PCA 154 electrostatic transfer belt (ETB) 114 formatter cage 112 front cover 97 fuser 115 fuser drive assembly 117 high-voltage power-supply PCA 150 ...settings cold reset 223 NVRAM initialization 223 restricted from printing in color error 186 reversed color, troubleshooting 215 right cover, removing 107 rollers image formation operations 85 repetitive defects 216 S safety statements 319 schedules, HP Technical Training 239 screwdrivers, required 93 screws self-tapping 92 ...
...about 92 after service checklist 95 control panel 156 DC controller PCA 148 developing separation-drive assembly 119 driver PCA 154 electrostatic transfer belt (ETB) 114 formatter cage 112 front cover 97 fuser 115 fuser drive assembly 117 high-voltage power-supply PCA 150 ...settings cold reset 223 NVRAM initialization 223 restricted from printing in color error 186 reversed color, troubleshooting 215 right cover, removing 107 rollers image formation operations 85 repetitive defects 216 S safety statements 319 schedules, HP Technical Training 239 screwdrivers, required 93 screws self-tapping 92 ...
