HP — HP LaserJet 3015/3020/3030 all-in-one Service Manual

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