Lexmark C720 SERIES Quick start guide

Lexmark C720
5024-001
Extracted From Service Manual

U.S.A. P/N: 12G3667
5024-001
Edition: March 2001
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Parts Catalog 7-1
5024-001
7. Parts Catalog
How to Use this Parts Catalog
•SIMILAR ASSEMBLIES: If two assemblies contain a majority of
identical parts, they are shown on the same list. Common parts
are shown by one index number. Parts peculiar to one or the
other of the assemblies are listed separately and identified by
description.
•AR: (As Required) in the Units column indicates that the
quantity is not the same for all machines.
•NP: (Non-Procurable) in the Units column indicates that the part
is non-procurable and that the individual parts or the next higher
assembly should be ordered.
•NR: (Not Recommended) in the Units column indicates that the
part is procurable but not recommended for field replacement,
and that the next higher assembly should be ordered.
•R: (Restricted) in the Units column indicates that the part has a
restricted availability.
•NS: (Not Shown) in the Ref column indicates that the part is
procurable but is not pictured in the illustration.
•PP: (Parts Packet) in the Description column indicates that the
part is contained in a parts packet.
•A part reference within a circle indicates an assembly or a bill-
of-material. An assembly is complete. A bill-of-material contains
unassembled parts.
•NA: Not available/not referenced.

Parts Catalog 7-2
Assembly 1:

Parts Catalog 7-3
5024-001
Assembly 1:
Ref Part
Number Units Description
1 - 1 1 Toner Cartridge -Y
(Supply, customer order only)
21
Toner Cartridge -M
(Supply, customer order only)
31
Toner Cartridge -C
(Supply, customer order only)
41
Toner Cartridge -K
(Supply, customer order only)
51
OPC Belt Cartridge
(Supply, customer order only)
61
Fuser Oil Bottle
(Supply, customer order only)
71
Fuser Cleaner
(Supply, customer order only)
81
Waste Toner-P
(Supply, customer order only)
91
Fusing Unit (110V)
(Supply, customer order only)
10 1 Fusing Unit (220V)
(Supply, customer order only)
12 12G7004 1 Transfer Roller
13 12G7005 1 Paper Discharger
14 12G7006 1 Drum Cleaner
15 12G7007 1 Ozone Filter
16 12G7008 1 Power Cord (U.S.)
16 1339517 1
Power Cord, LV U.S., APG, Bolivia,
Canada, Columbia, Costa Rica, Ecuador,
EL Salvador, Guatemala, Honduras,
Mexico, Nicaragua, Panama, Peru,
Venezuela
16 1339518 1 Power Cord, HV, Argentina

Parts Catalog 7-4
Assembly 1 (cont.):

Parts Catalog 7-5
5024-001
Assembly 1 (cont.):
Note: Reference the foldout wiring diagram, in the back of this
manual, for cable replacement detailed information. Then go to
Assembly 6 for parts ordering information.
Ref Part
Number Units Description
1 - 16 1339520 1 Power Cord, HV, Brazil
16 1339524 1 Power Cord, HV, Chili
16 1339528 1 Power Cord, HV, UK, Ireland
16 1339529 1
Power Cord, HV, Austria, Belgium, EURO
English, Finland, France, Germany,
Greece, Netherlands, Norway, Poland,
Portugal, Russia, Slovakia/Czech/Hungary
Spain, Sweden, Turkey
16 1339530 1 Power Cord, HV, Israel
16 1339531 1 Power Cord, HV, Switzerland French,
Switzerland German, Switzerland Italian
16 1339532 1 Power Cord, HV, South Africa
16 1339533 1 Power Cord, HV, Italy
16 1339534 1 Power Cord, HV, Denmark
18 12G7010 1 Paper Cassette
18 12G7232 1 Paper Cassette (250 sheet legal)
19 12G7011 1 Cleaner Cover
20 12G7012 1 Transfer Unit Cover
21 12G7013 1 Transfer Unit (includes 12, 13, 20, 23, 25)
23 12G7014 1 PT1 Sensor Lever
24 12G7159 1 Paper Cassette Paper Stop
25 12G7160 1 Registration Roller Assembly
12G7341 1 Parts Packet, Screws
12G7340 1 Parts Packet, Cable Clamps, Retainers,
Miscellaneous

Parts Catalog 7-6
Assembly 2:

Parts Catalog 7-7
5024-001
Assembly 2:
Ref Part Number Units Description
2 - 1 12G7015 1 Top Cover Assembly (includes 35)
2 12G7016 1 Side Cover (R)
3 12G7017 1 Side Cover (L)
4 12G7018 1 Upper Side Cover (L)
5 12G7019 1 Front Cover
6 12G7020 1 Paper Exit Unit Cover (includes 13)
7 12G7021 1 Paper Exit Front Cover
8 12G7022 1 Base Cover (R)
9 12G7023 1 Base Cover (L)
10 12G7024 1 Rear Cover
11 12G7025 1 Rear Cover (U)
12 12G7026 1 Side F Cover (L)
13 12G7027 1 Paper Exit Upper Cover
14 12G7028 2 Rear Cover (U) Cap
15 12G7029 1 Front Cover Unit (includes 5, 45, 47)
16 12G7030 1 Main Engine (MCTL P.W.B.) Board
17 12G7031 1 High Voltage Unit
20 12G7032 1 Discharge Brush
21 12G7033 1 Cooling Fan (HFAN)
22 12G7034 1 Paper Exit Filter (with Case)
23 12G7035 1 Ozone Filter Cover
24 12G7036 1 Paper Sensor (PT2)
25 12G7037 1 Paper Sensor (FCL)
26 12G7038 1 Paper Exit Unit (includes 6, 7, 13, 20, 21,
22, 24, 25, 27, 28, 30, 31, 40, 42)

Parts Catalog 7-8
Assembly 2 (cont.):

Parts Catalog 7-9
5024-001
Assembly 2 (cont.):
Ref Part Number Units Description
2 - 27 12G7039 1 Paper Exit Roller
28 12G7037 1 Paper sensor (PFUL)
29 12G7360 1 Operator Panel Assembly
30 12G7041 1 Paper Exit Gear Z19
31 12G7042 1 FCS Cover Assembly
32 12G7043 1 Paper Size Sensor
33 12G7044 1 BC Terminal 2
34 12G7161 1 Control Panel Base
35 12G7162 1 Paper Exit Button
36 12G7163 1 Shield Cover B
37 12G7164 1 Shield Cover A
38 12G7165 1 Shield Case Assembly
39 12G7166 1 BC Lock Lever (set)
40 12G7167 1 Paper Exit Switch Guide
41 12G7168 1 Paper Exit Frame Assembly
(includes 7,10,24,25,27,28,30,31,40,42)
42 12G7169 1 Paper Exit Idle Roller Set
43 12G7170 1 Paper Exit Harness Cover
44 12G7171 1 IOD Harness Guide
45 12G7172 1 Front Cover Latch
46 12G7173 1 Front Cover/Door Arm Assembly
47 12G7174 1 DE Solenoid Assembly (also order 47A)
47A 12G7036 1 Cam Sensor, DE Solenoid GPH1, GPH2
48 12G7175 1 Front Paper Cassette Guide (L)
49 12G7176 1 Front Paper Cassette Guide (R)

Parts Catalog 7-10
Assembly 2 (cont.):

Parts Catalog 7-11
5024-001
Assembly 2 (cont.):
Note: Reference the foldout wiring diagram, in the back of this
manual, for cable replacement detailed information. Then go to
Assembly 6 for parts ordering information.
Ref Part Number Units Description
2 - 50 12G7177 1 DC Guide L
51 12G7019 1 DC Guide (R)
52 12G7179 1 Waste Toner U Spring
53 12G7180 1 TR Terminal Base Assembly
54 12G7070 1 Interlock Switch
12G7341 1 Parts Packet, Screws
12G7340 1 Parts Packet, Cable Clamps, Retainers,
Miscellaneous

Parts Catalog 7-12
Assembly 3:

Parts Catalog 7-13
5024-001
Assembly 3:
Ref Part Number Units Description
3 - 1 12G7045 1 Paper Feeding Clutch (PCLU)
2 12G7046 1 Registration Clutch (RECL)
3 12G7047 1 Fuser Clutch (FUCL)
4 12G7048 4 Developer Clutch
5 12G7049 1 Transfer Cam Clutch (TRCM)
6 12G7049 1 Cleaner Cam Clutch (FBCM)
7 12G7051 1 Cleaner Clutch (FBCL)
8 12G7052 1 Main Motor (MM)
9 12G7053 1 BD Gear Assembly
10 12G7054 1 Main Gear Unit (includes 2, 3, 5, 6, 7)
11 12G7055 1 Developer Motor (DM)
12 12G7056 1 Developer Drive Unit (includes 4)
13 12G7057 1 Developer Drive Gear (Set)
14 12G7058 1 FP2 Gear Assembly (Front Developer
Solenoid Drive)
15 12G7059 1 Waste Toner Feeder (Lower)
16 12G7060 1 Cooling Fan (OZFAN)
17 12G7061 1 Toner Sensor (TPD, TTR)
18 12G7062 1 Toner Key Sensor (TNK)
19 12G7063 1 Waste Toner Holder Assembly
20 12G7064 1 IOD1 P.W.B.
21 12G7065 1 Transfer Drum
22 12G7037 5 Paper Sensor (Drum Encoder) (HPSEN)
23 12G7067 1 Power Supply Unit (U.S.) 110 V(LVPS)
24 12G7068 1 Power Supply Unit (WT) 220 V (LVPS)

Parts Catalog 7-14
Assembly 3 (cont.):

Parts Catalog 7-15
5024-001
Assembly 3 (cont.):
Note: Reference the foldout wiring diagram, in the back of this
manual, for cable replacement detailed information. Then go to
Assembly 6 for parts ordering information.
Ref Part Number Units Description
3 - 25 12G7069 1 Fuser Connector
26 12G7070 1 Interlock Switch, Front Door
27 12G7073 1 IOD2 P.W.B.
28 12G7074 1 Cooling Fan (CTFAN)
29 12G7075 1 Waste Toner Feeder Unit (Upper)
30 12G7076 1 Erase Lamp
31 12G7077 2 Erase Holder (2 pieces)
32 12G7078 1 Oil Sensor
33 12G7079 1 Belt Sensor (PBS)
34 12G7079 1 Drum Jam Sensor (DPJ)
35 12G7081 2 Paper Guide D (2 pieces)
36 12G7082 1 Optical Unit (Printhead)
38 12G7083 1 SW Button
39 12G7084 1 Cover (FR)
53 12G7181 1 SW Base Front
54 12G7182 1 Inner Cover C
55 12G7183 1 Oil Sensor Cover
56 12G7184 1 Shield Upper
57 12G7185 1 PS Fan Assembly (CTFAN) (includes 26,
28)
12G7341 1 Parts Packet, Screws
12G7340 1 Parts Packet, Cable Clamps, Retainers,
Miscellaneous

Parts Catalog 7-16
Assembly 4:

Parts Catalog 7-17
5024-001
Assembly 4:
Note: Reference the foldout wiring diagram, in the back of this
manual, for cable replacement detailed information. Then go to
Assembly 6 for parts ordering information.
Ref Part
Number Units Description
4 - 1 12G7098 1 Paper Feed Roller
2 12G7099 1 Separator Pad
3 12G7100 1 OHP Sensor
4 12G7037 1 Paper Sensor (PEU)
5 12G7037 1 Paper Sensor (PT1)
6 12G7103 1 Paper Guide (UL) Assembly
7 12G7104 1 Paper Guide (UR)
8 12G7186 1 Transfer Unit Rear Band
9 12G7187 1 Transfer Unit Hinge Support Bracket
10 12G7188 1 Paper Guide L
12G7341 1 Parts Packet, Screws
12G7340 1 Parts Packet, Cable Clamps, Retainers,
Miscellaneous

7-18 Service Manual
5024-001
Assembly 5: Controller RIP Card