HP C2021A, 5n C3952A, 5 C3916A, 5m C3917A, 4 plus C2037A, 4 C2001A manual Index-2

defect Ruler 7-67 defect template 7-67 developing station, drum 5-22 DHHS laser safety 1-8 Diagnostics B-28 diagrams, timing 5-34 disassembly, fuser 6-47

display language, changing 3-28, B-30 distorted print 7-35, 7-42 documentation, related 1-7, B-8 DOS commands

serial 7-53 DOS Utilities 3-42 Drum

cleaning station 5-18 conditioning station 5-19 developing station 5-22 photosensitive 5-17 Rotation Check 7-50 sensitivity 5-17 transferring station 5-24 writing station 5-20

dtr polarity 3-34 dtr/dsr 3-34 Duplex

components A-14 covers A-9

electrical block diagram A-5 installation A-6

overview A-2 printing A-3

removal and replacement A-8

E

EconoMode 3-16, 4-6

ENGINE TEST 7-A envelope feeder 5-4 installation 3-49

envelopes 2-6 error

infrared B-41

Error Map for LJ 5 7-A - 7-D Error messages

MP/PC/LC LOAD 7-13 troubleshooting 7-2

ESD 6-1

European Customer Support Center (ECSC) 1-14

European formatter installation 3-22 exhaust fan motor 5-10

Explorer 3-33

F

FACTORY DEFAULTS 7-A faint print 7-35

faint print 7-38

fan

checks 7-34 failure 7-34 motor signals 5-10 removal 6-39

faulty registration 7-39

fax information service (HP FIRST) 1-12

feed guide assembly 6-62 replacing 6-68

Finland laser safety 1-10, B-9 firmware date code 3-26 flash SIMM B-29

flashing indicators 3-2 FM1 7-34

exhaust fan motor 5-10 font door cover 6-10 formatter

PCA removal 6-29

pca, functional overview 5-12 system 5-12

formatter cage removal 6-27 formatter system 5-1 functional check

half self-test 7-49 laser/scanner assembly 7-32 lower cassette 7-24

main motor 7-33 PS2 7-17

functional overview, formatter 5-12 functional test, pickup motor (m2)

7-23

fuser assembly configuration 6-48 life expectancy 4-2 parts location 6-48 PM 4-3

removal 6-22 thermoswitch removal 6-55

fuser bulb replacement 1-47 fuser disassembly 6-47 fuser malfunction 7-29 fusing

process 5-25 station 5-25 temperature 5-2

fusing roller heat lamp removal 6-49

G

gear assembly removal 6-38

H

half self-test functional check 7-49 handshaking 3-34

hardware 6-2 descriptions 6-3

heat lamp 6-49

Index-2