Index-3
4038-001
blank page prints
2-28
blurry horizontal stripes
2-22
character voids
2-25
curl or wave
2-24
dark horizontal stripes
2-22
dark spots periodically
2-22
faded areas
2-21
gray background
2-26
horizontal shock lines
2-29
image occurs at intervals
2-26
loose toner
2-25
misformed characters
2-23
page skew
2-23
print density uneven
2-25
printed image light
2-24
thin black vertical line
2-21
toner smear
2-22
vertical white streak
2-21
white spots periodically
2-22
white spots/voids
2-29
wrinkles and creases
2-24
print quality pages test
3-15
printhead test
3-14
R
removals
4-1
ADF, pad
4-18
ADF, pick roller
4-17
card cage
4-25
CCD module assembly
4-19
covers, cartridge access
4-1
covers, left side
4-12
covers, middle
4-3
covers, rear
4-5
covers, right side
4-15
covers, scanner assembly
4-7
fan
4-31
fuser
4-32
HVPS contact
4-33
LVPS/HVPS card
4-34
main drive assembly
4-37
main feed roller solenoid
4-42
main paper feed roller
4-39
manual paper feed sensor
4-45
modem card
4-47
operator panel
4-50
paper empty sensor actuator
4-52
paper feed sensor actuator
4-54
paper tray feed roller
4-56
paper tray pick roller asm
4-57
paper tray solenoid
4-61
printhead
4-63
scanner assembly
4-64
scanner assembly cushion
4-71
scanner assembly hinge
4-72
scanner card assembly
4-68
system board
4-73
transfer roll
4-76
ROM memory test
3-16
S
safety information
xvii
scan unit
cleaning
1-8
scanner CCD module/motor test
3-17
scanning problems
2-18
does not work
2-18
very slow
2-18
sensor test
3-17
service checks
2-30
cooling fan
2-30
dead machine
2-32
document cover open switch
2-31
main drive motor
2-31
oper panel, scanner card asm
2-33
T
tools
1-9
transparency films
1-2
U
USB connection
error occurs repeatedly
2-15
Summary of Contents for 4038-001
Page 6: ...vi Service Manual 4038 001...
Page 15: ...Laser notices xv 4038 001 Japanese Laser Notice Chinese Laser Notice...
Page 16: ...xvi Service Manual 4038 001 Korean Laser Notice...
Page 21: ...Safety information xxi 4038 001...
Page 66: ...2 34 Service Manual 4038 001...
Page 93: ...Repair information 4 5 4038 001 Rear cover removal 1 Remove four screws A...
Page 94: ...4 6 Service Manual 4038 001 2 Pull the rear cover to remove...
Page 96: ...4 8 Service Manual 4038 001 4 Un thread the cable A from the scanner document cover...
Page 97: ...Repair information 4 9 4038 001 5 Open the document cover...
Page 98: ...4 10 Service Manual 4038 001 6 Lift the document cover until the hinges catch A...
Page 99: ...Repair information 4 11 4038 001 7 Tilt back and lift off the scanner document cover...
Page 101: ...Repair information 4 13 4038 001 3 Slide the cover toward the rear of the printer to release...
Page 102: ...4 14 Service Manual 4038 001 4 Tilt away from printer 5 Lift to remove the left side cover...
Page 104: ...4 16 Service Manual 4038 001 3 Tilt away from printer 4 Lift to remove the right side cover...
Page 108: ...4 20 Service Manual 4038 001 4 Lift off glass housing to remove...
Page 110: ...4 22 Service Manual 4038 001 6 Pry the shaft loose on both ends and slide out...
Page 111: ...Repair information 4 23 4038 001 7 Release the ribbon cable from slots A...
Page 114: ...4 26 Service Manual 4038 001 4 Remove 10 screws A in card cage...
Page 116: ...4 28 Service Manual 4038 001 5 Lift the card cage to remove...
Page 124: ...4 36 Service Manual 4038 001 4 Remove the LVPS HVPS card...
Page 128: ...4 40 Service Manual 4038 001 4 Remove the two screws A 5 Lift the metal plate and remove...
Page 131: ...Repair information 4 43 4038 001 3 Remove the pick roller gear 4 Remove one screw...
Page 132: ...4 44 Service Manual 4038 001 5 Remove the main feed roller solenoid...
Page 137: ...Repair information 4 49 4038 001 5 Remove the modem card...
Page 141: ...Repair information 4 53 4038 001 3 Remove the paper empty sensor actuator...
Page 143: ...Repair information 4 55 4038 001 3 Lift and remove the paper feed sensor actuator...
Page 150: ...4 62 Service Manual 4038 001 3 Remove the paper tray solenoid...
Page 153: ...Repair information 4 65 4038 001 cable A CN3 cable A with toroid CN6...
Page 154: ...4 66 Service Manual 4038 001 cable A CN2...
Page 155: ...Repair information 4 67 4038 001 ribbon cable A CN1 4 Remove two screws in rear of printer...
Page 157: ...Repair information 4 69 4038 001 3 Remove two screws A from the card...
Page 158: ...4 70 Service Manual 4038 001 4 Lift out the scanner card to remove...
Page 162: ...4 74 Service Manual 4038 001 Note See reinstallation note 4 Remove five screws A...
Page 166: ...4 78 Service Manual 4038 001...
Page 172: ...5 6 Service Manual 4038 001 HVPS LVPS card CN2 1 OP104 OP103 OP101 OP102 CN3 CN1 C O Switch 1...
Page 176: ...5 10 Service Manual 4038 001 Scanner card 1 CN2 1 CN6 1 CN1 CN4 1 CN5 CN3 1 1...
Page 182: ...5 16 Service Manual 4038 001...
Page 184: ...6 2 Service Manual 4038 001...
Page 186: ...7 2 Service Manual 4038 001 Assembly 1 Scanner assembly 1 2 3 4 5 6 7 8 9 10 11...
Page 194: ...7 10 Service Manual 4038 001...
Page 198: ...Index 4 Service Manual 4038 001...