Figure 5-136. Remove the ECU (4 of 6)...............................................................................179
Figure 5-137. Remove the ECU (5 of 6)...............................................................................180
Figure 5-138. Remove the ECU (6 of 6)...............................................................................180
Figure 5-139. Laser/scanner assembly shutter arm.............................................................181
Figure 5-140. Remove the laser/scanner assembly.............................................................182
Figure 5-141. Remove the main motor (1 of 2)....................................................................183
Figure 5-142. Remove the main motor (2 of 2) ...................................................................183
Figure 5-143. Remove the fuser assembly (1 of 2)..............................................................184
Figure 5-144. Remove the fuser assembly (2 of 2)..............................................................185
Figure 5-145. Fragile tab on fuser assembly........................................................................185
Figure 5-146. Remove the paper-pickup assembly..............................................................186
Figure 6-1. Repetitive image defect ruler ........................................................................222
Figure 6-2. Clear a jam in the product base (1 of 3)........................................................223
Figure 6-3. Clear a jam in the product base (2 of 3)........................................................224
Figure 6-4. Clear a jam in the product base (3 of 3)........................................................224
Figure 6-5. Clearing output bin jams (HP LJ 3015) .........................................................225
Figure 6-6. Clearing ADF output bin jams (HP LaserJet 3015) ......................................225
Figure 6-7. Clearing output bin jams (HP LaserJet 3020 and 3030) ...............................225
Figure 6-8. ADF lid open (HP LaserJet 3015)..................................................................228
Figure 6-9. ADF lid open (HP LaserJet 3020 and 3030)..................................................228
Figure 6-10. Clear an ADF jam (HP LaserJet 3015)..........................................................229
Figure 6-11. Clear an ADF jam (HP LaserJet 3020 and 3030; 1 of 2)...............................229
Figure 6-12. Clear an ADF jam (HP LaserJet 3020 and 3030; 2 of 2)...............................229
Figure 6-13. Check the fuser connectors on the fuser.......................................................237
Figure 6-14. Check the fuser connectors on the power supply..........................................237
Figure 6-15. Print-cartridge high-voltage contacts ............................................................238
Figure 6-16. High-voltage contacts ....................................................................................239
Figure 6-17. Example of a T.30 trace of a successfully sent fax ......................................260
Figure 6-18. Example of a T.30 trace of a successfully received fax ................................261
Figure 6-19. Main wiring, HP LaserJet 3015 scanner assembly .......................................269
Figure 6-20. Main wiring, HP LaserJet 3020 and 3030 scanner assembly ......................270
Figure 6-21. Main wiring, HP LaserJet 3015, 3020,and 3030 product base......................271
Figure 6-22. Major components..........................................................................................272
Figure 6-23. Main parts.......................................................................................................273
Figure 6-24. Sensors and motors ......................................................................................274
Figure 6-25. PCBs..............................................................................................................275
Figure 6-26. HP LaserJet 3020 and 3030 components.....................................................276
Figure 6-27. Major components..........................................................................................277
Figure 6-28. Solenoid, sensors, switches, and motor........................................................278
Figure 6-29. PCBs..............................................................................................................279
Figure 7-1. HP LaserJet 3015 .........................................................................................286
Figure 7-2. ADF input and delivery assemblies (HP LaserJet 3015)...............................288
Figure 7-3. Internal components (HP LaserJet 3015) .....................................................290
Figure 7-4. Frame assembly (HP LaserJet 3015)............................................................292
Figure 7-5. Guide assembly (HP LaserJet 3015).............................................................294
Figure 7-6. HP LaserJet 3020/3030 scanner assembly ..................................................296
Figure 7-7. Link assembly (HP LaserJet 3020/3030) ......................................................298
Figure 7-8. Major assemblies (HP LaserJet 3020/3030) .................................................300
Figure 7-9. HP LaserJet 3015/3020/3030 printer base....................................................304
Figure 7-10. Pickup and delivery tray assemblies (LJ 3015/3020/3030 printer base).......306
Figure 7-11. External covers (LJ 3015/3020/3030 printer base)........................................308
Figure 7-12. Internal components 1 of 1 (LJ 3015/3020/3030 printer base)......................310
Figure 7-13. Internal components 2 of 2 (LJ 3015/3020/3030 printer base)......................312
Figure 7-14. Internal components 3 of 3 (LJ 3015/3020/3030 printer base)......................314
Figure 7-15. Paper-pickup assembly (LJ 3015/3020/3030 printer base)...........................316
Figure 7-16. Fuser (fixing assy) assembly (LJ 3015/3020/3030 printer base)...................318
ENWW xv
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