Service manual

Figure 5-22 Remove the transfer roller (2 of 3)................................................................................................85
Figure 5-23 Remove the transfer roller (3 of 3)................................................................................................85
Figure 5-24 Remove the engine-power assembly (1 of 2; HP LJ 1020 printer shown)....................................87
Figure 5-25 Remove the engine power assembly (2 of 2)................................................................................88
Figure 5-26 Remove the fuser (fixing) assembly (1 of 2).................................................................................89
Figure 5-27 Remove the fuser (fixing) assembly (2 of 2).................................................................................90
Figure 5-28 Remove the paper-pickup assembly.............................................................................................91
Figure 5-29 Remove the ECU assembly (1 of 6)..............................................................................................92
Figure 5-30 Remove the ECU assembly (2 of 6)..............................................................................................93
Figure 5-31 Remove the ECU assembly (3 of 6)..............................................................................................93
Figure 5-32 Remove the ECU assembly (4 of 6)..............................................................................................94
Figure 5-33 Remove the ECU assembly (5 of 6)..............................................................................................94
Figure 5-34 Remove the ECU assembly (6 of 6)..............................................................................................95
Figure 5-35 Remove the laser/scanner assembly............................................................................................96
Figure 6-1 Control-panel-lights legend.........................................................................................................102
Figure 6-2 Control-panel lights (HP LJ 1020 printer)....................................................................................106
Figure 6-3 Control-panel-light legend (HP LJ 1020 printer)..........................................................................106
Figure 6-4 Check the fuser connections (HP LaserJet 1010 series shown).................................................125
Figure 6-5 Print-cartridge high-voltage contacts...........................................................................................127
Figure 6-6 Printer high-voltage contacts.......................................................................................................128
Figure 6-7 Repetitive-image-defect ruler......................................................................................................129
Figure 6-8 Circuit diagram............................................................................................................................130
Figure 6-9 Solenoid, sensors, switches, and motor......................................................................................131
Figure 7-1 HP LJ 1010 series and HP LJ 1020 product...............................................................................138
Figure 7-2 Major components (HP LJ 1010 series shown)..........................................................................140
x ENWW