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Lexmark 3350 Service Manual - Page 67

Parts catalog, How to use this parts catalog

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7. Parts catalog 4479-XXX How to use this parts catalog The following legend is used in the parts catalog: Asm- Part Index number Units/ mach Units/ FRU Description • Asm-index: Identifies the assembly and the item in the diagram. For example, 3-1 indicates assembly 3 and item number 1. • Part number: Identifies the unique number that identifies this FRU. • Units/mach: Refers to the number of units actually used in the machine or product. • Units/FRU: Refers to the number of units packaged together and identified by the part number. • NS: (Not shown) in the Asm-Index column indicates that the part is procurable but is not pictured in the illustration. • PP: (Parts Packet) in the parts description column indicates the part is contained in a parts packet. Parts catalog 7-1

Section	Page
Safety information	7
Preface	11
Definitions	11
1. General information	13
Specifications	14
Scanner	14
Resolutions	14
Control panel	15
Maintenance approach	17
Tools required for service	17
Acronyms	18
2. Diagnostic information	19
Start	19
Power-On Self Test (POST) sequence	19
Error codes	19
POST errors	19
Catastrophic errors	20
User intervention errors	26
POST symptom table	27
Symptom tables	28
Carrier transport problems	28
Maintenance station problems	28
Control panel problems	28
Printer communication problems	29
Scanner problems	29
PictBridge problems	29
Paper feed problems	30
Power problems	30
Print quality problems	30
Service checks	31
Carrier transport service check	31
CIS module assembly service check	32
PictBridge service check	33
Maintenance station service check	33
Paper feed service check	34
Power service check	35
Print quality service check	36
Scan and copy quality service check	38
3. Diagnostic aids	39
Single test page	39
Self Test menu	40
4. Repair information	43
Handling ESD-sensitive parts	43
Adjustments	44
Removal procedures	44
Releasing plastic latches	44
Removals	45
General precautions on removals	45
ASF guide with spring removal	46
Bezel removal	47
Control panel cover removal	48
Exit tray with extender removal	49
Scanner lid removal	50
Paper support removal	50
Scanner support removal	51
Scanner module assembly removal	52
Rear cover removal	54
Print engine removal	55
Carrier assembly and encoder strip removal	57
System board removal	59
Maintenance station removal	60
Base assembly	61
5. Locations and connections	63
System board	63
6. Preventive maintenance	65
Lubrication specifications	65
7. Parts catalog	67
How to use this parts catalog	67
Assembly 1: Covers, scanner, and base	68
Assembly 2: Engine, carrier, and electronics	70
Index	73
A	73
B	73
C	73
D	73
E	73
G	73
H	73
L	73
M	73
P	73
R	73
S	74