HP 8550mfp Service Manual - Page 621
SME Support Materials Europe, ordering from 61, SMO Service Materials Organization
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Page 621 highlights
fusing delivery 178, 185, 190, 191 last page (tray 1) 182, 183, 185 last page (tray 2) 180, 185 left cover 185 level sensors (tray 3) 185 lifting plate position 183, 185 names and locations 184 not detecting toner cartridge 399 OHT (overhead transparency) 179, 183, 185 paper (tray 1) 185 paper level (tray 2) 185 paper out (tray 2) 185 paper out (tray 3) 185 photo paper 265 pick-up unit cover 185 pick-up unit paper 178, 185 registration roller paper 178, 179, 183, 185 reverse stepper motor (multi-bin mailbox) 209 separation 185 temperature error 377 temperature/humidity 159 test 96 thermistor 185 thermo switch 185 toner lock 251 top (face-down) output bin delivery 185, 190, 191 top (face-down) output bin paper full 185, 191 tray 1 paper 183 tray 1 paper width 182 tray 2 185 tray 3 185 sensors (2,000-sheet input unit) names and locations 200 paper entry 200 paper exit 200 paper size 200 paper tray raised 200 test 475 vertical transfer unit (VTU) closed 200 sensors (multi-bin mailbox) delivery rollers extended 209 left (face-up) output bin full 209 names and locations 208 paper bin empty 209 paper bin full 209 paper delivered to bin 209 paper delivered to head 209 paper entry 209 sensors, paper path 3,000-sheet stapler/stacker and 3,000-sheet stacker 486 separation discharge high-voltage converter assemblies 295 PCA 295 removing 295 separation pad 136 separation rollers 2,000-sheet input unit 204 printer 136 separation sensor 185 serial number formatter board 93 printer 38, 93 service agreements 66 service LEDs (2,000-sheet input unit) 471 Service Materials Organization (SMO) ordering information 61 service mode 3,000-sheet stapler/stacker and 3,000-sheet stacker 487 Service Mode Menu 93 service notes HP FIRST 64 ordering 62 service tool requirements 223 setting color registration values 94 color values 92 settings factory 409 NVRAM 93 shutter loose 377 simplified page 404 site requirements 27 sizes cold reset paper 94 configuring default paper 89 configuring media 104 configuring PCL font point 89 configuring tray 1 86 media in duplexer 35 media in input trays 31 overriding media 87 printer 25 sliders problem 480 SLx. See solenoids SME (Support Materials Europe), ordering from 61 SMO (Service Materials Organization), ordering from 61 smooth color value 92 software matrix 64 ordering 62 support from HP FIRST 64 solenoids assembly 518 carousel stop 163 carousel stopper 189 cleaning roller 162 cleaning roller press 189 face-up 258 left (face-up) output bin 189, 191 EN Index 619