Lexmark MS821

printer configurations 739
printer diagnostics
input tray quick print 381
output bin quick feed 381
printer diagnostics & adjustments
motor tests 383
sensor tests 383
universal override 385
printer diagnostics and adjustments
add-on cards tests 384
margin oset 385
registration adjust 384
printer is printing blank pages 47
printer is printing solid black pages 57
printer models
configurations 31
printer ports 741
printer setup
enable edge‑to‑edge (printing) 381
engine setting [x] 382
EP setup 382
model name 382
permanent page count 381
printed page count (mono) 381
process ID 382
serial number 382
printer status 378
printhead glass
cleaning 764
R
recovery mode
accessing 389
removal
AC power socket 410
aligner 439
bin cover 461
bin full sensor cover 460
cartridge fan 423
control panel (2.4-inch) board and display 444
Control panel (2.4‑inch) cover 444
control panel (4.3-inch display) 442
control panel (4.3-inch display) cover 442
controller board 424
controller board access door 423
duplex/MPF tray 434
front door 434
front door bracket 431
front door pins 434
fuser 452
fuser drive gears 412
gear cover 466
high voltage contacts guide 427
HVPS 421
HVPS shield 427
inner guide deflector 438
inner left cover 435
inner right cover 436
left cover 409
LVPS 414
main fan 412
main motor drive 410
motor (duplex) 450
motor (MPF) 413
motor (redrive) 417
MPF pick roller 442
optional tray drive gear 466
paper feeder 417
paper size sensor cover 467
pick roller 465
printhead 455
printhead access cover 455
rear cover 450
rear door 449
right cover 420
sensor (duplex interlock) 438
sensor (duplex path) 466
sensor (duplex path) with cover 466
sensor (input) 440
sensor (paper size) 467
sensor (rear door interlock) 452
sensor (standard bin full) 460
sensor (toner cartridge shutter) 430
sensor (toner density) 448
sensor (toner low) 446
sensor (toner smart chip) 418
sensor (tray 1 pass‑through) 468
sensor (tray 1 pick) 469
speaker 427
toner cartridge shutter actuator 430
toner smart chip spring 418
top cover 455
transfer roller 447
transfer roller contact 453
upper redrive 453
removal procedures
tips 408
removals
2100-sheet tray bellcrank 488
2100-sheet tray controller board 483
2100-sheet tray elevator drive 484
2100-sheet tray front cover 482
2100-sheet tray insert 472
2100-sheet tray interface cable 486
4064
Index
930