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Lexmark 2070 Color Jetprinter Service Manual - Page 62

Left Side Frame Sub-Asm without, Gears, Also order gears B/M 69G4127, Mid Frame with Star Rollers,

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4090-001 AsmIndex 2 -1 Part Number 69G4120 Units 1 -2 70G0574 1 -3 69G4121 1 -4 69G4122 1 -5 69G4188 4 Description Left Side Frame Sub-Asm without Gears Also order gears B/M 69G4127 Mid Frame with Star Rollers Right Side Frame Carrier Frame Screw, Frame Mounting (PP) 7-5

Section	Page
1. General Information	10
Resolution and Print Speed	10
Power Consumption	10
Maintenance Approach	10
Abbreviations	11
Unique Tools Required For Service	11
2. Diagnostic Information	12
Start	12
Error Indicator Table	13
Power-On Self Test (POST) Sequence	13
POST Symptom Table	14
Symptom Tables	15
Service Checks	17
Envelope Feed Service Check	17
First Print Line Service Check	17
Maintenance Station Service Check	18
Paper Feed Service Check	19
Paper Path Service Check	21
Parallel Port Service Check	22
Power Service Check	22
Print Quality Service Check	23
Transport Service Check	25
3. Diagnostic Aids	26
Encoder Sensor Test	27
Initialize Error Log	28
Paper Sensor Test	29
Parallel Port Test	30
Print NVRAM Contents	31
Test Page	32
4. Repair Information	33
Handling ESD-Sensitive Parts	33
Adjustments	34
Removal Procedures	34
Releasing Plastic Latches	34
Base Assembly Removal	35
Carrier Belt Removal	35
Carrier Frame Assembly Removal	36
Carrier Transport Motor Removal	37
Code Module Removal	38
Edge Guide Asm and Paper Load Shaft Removal	38
Encoder Card Removal	38
Encoder Strip Removal	38
Exit Drive Belt Removal	39
Exit Roller Removal	39
Feed Arm Assembly Removal	39
Front Cover Removal	40
Gutter Pad Removal	40
Inside Idler Gears Removal	41
Large Feed Roll Removal	42
Large Outside Gear Removal	43
Left Side Frame Assembly Removal	44
Maintenance Station Assembly Removal	45
Maintenance Wipers and Caps Removal	45
Manual Insert Tray Removal	45
Mid Frame Assembly Removal	45
Paper Feed Motor Removal	46
Paper Guide and EOF Flag Assembly Removal	46
Paper Load Door Removal	48
Pick Roll Hub, Shaft and Envelope Bucklers Removal	48
Power Supply Removal	48
Printhead Cable, Cradle & Paper Deflector Removal	49
Printhead Carrier Assembly Removal	51
Printhead Rubber Backer Removal	51
Rear Cover Removal	52
Right Side Frame Assembly Removal	52
Small Feed Roll Shaft, Rollers & Paper Flap Removal	53
Star Roller Removal	53
System Board Removal	53
5. Connector Locations	54
System Board Connectors	55
Encoder Card Connector	56
6. Preventive Maintenance	57
Lubrication Specifications	57
7. Parts Catalog	58
How To Use This Parts Catalog	58
Assembly 1: Covers	59
Assembly 2: Frames	61
Assembly 3: Paper Feed	63
Assembly 4: Electronics	65
Assembly 5: Carrier	69
Assembly 6: Carrier Transport	71
Assembly 7: Sheet Feeder	73
Assembly 8: Maintenance Station	75