I-2 Service Manual
4023-001
duplex unit option 1–41
cross-sectional view 1–42
paper take-up mechanism 1–43
parts identification 1–41
switchback mechanism 1–42
duplex unit removal 4–68
duplex unit removal procedures 4–68
E
engine sensor tests 3–16
erase lamp (LA1) removal 4–33
eraser duct assembly removal 4–32
error codes
operator messages 2–7
service error codes 2–2
F
feed to all bins test 3–14
finisher
cross-sectional view 5–23
drive system 5–24
electrical components 5–26
main board PWB-A 5–28
parts identification 5–22
finisher option 1–68
CD aligning mechanism 1–72
elevator tray 1–78
finisher tray 1–72
finisher tray drive mechanism 1–76
horizontal transport unit 1–81
paper holding tray 1–77
paper transport mechanism 1–70
paper transport path switching
mechanism 1–69
parts identification 1–68
punch mechanism 1–71
shifting mechanism 1–75
stapling unit 1–80
finisher removal procedures 4–82
external covers 4–82
front cable 4–88
front cable installation 4–89
punch unit 4–84
rear cable 4–86
stapler unit disassembly 4–85
finisher sensor tests 3–17
finisher service checks 2–53
elevator tray 2–53
paper aligning 2–54
paper holding tray drive 2–56
power 2–53
shift plate drive 2–54
stapler drive 2–56
tray drive 2–54
upper entrance 2–57
1st cassette (tray1) paper near empty
sensor (PC5) removal 4–57
1st cassette (tray1) paper take-up
solenoid (SL1) removal 4–59
1st cassette (tray1) set sensor (PC6)
removal 4–58
1st cassette paper empty sensor (PC4)
removal 4–35
1st paper cassette (tray1) paper size
detecting board removal 4–48
1st/cassette/250-sheet (tray1) paper
take-up roller removal 4–16
500-sheet cassette (tray 2 and 3)
control board (PWB-A2)
removal 4–62
500-sheet cassette (tray 2 and 3) paper
empty sensor (PC22) removal 4–
64
500-sheet cassette (tray 2 and 3) paper
lifting springs replacement 4–18
500-sheet cassette (tray 2 and 3) paper
near empty sensor (PC25)
removal 4–65
500-sheet cassette (tray 2 and 3) paper
size detecting board (PWB-S2)
removal 4–20
500-sheet cassette (tray 2 and 3) paper
take-up roller removal 4–63
500-sheet cassette (tray 2 and 3) paper
take-up solenoid (SL2)
removal 4–67
500-sheet cassette (tray 2 and 3) right
door detecting sensor (PC23)
removal 4–66
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