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Canon imageCLASS MF3110 Service Manual - Page 165

Sensor Tests

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Chapter 5 5.6.4.4.2 Sensor Tests 0007-6694 The sensor test is selected by pressing the numeric key 3 from the faculty test menu. In this test, you can check the status of each sensor of this machine in items 1 to 4 on the display. You can also check if sensors that use actuators and microswitches are operating correctly by moving the actuator or microswitch. 6-3 : SENSOR [1 ] - - - [ 4 ] Pressing the 1 key CRG of FCV on ALS [ON of of of of] CRG FCV ALS : Cartridge sensor on/of : Front cover switch on/of : Cassette recording paper sensor/Manual paper feed sensor/Top sensor /Paper delivery sensor/Not used on/of Pressing the 2 key JAM of JAM 000 TN of TN253 JAM : Paper delivery jam detection on/of TN : Toner sensor on/of and toner amount JAM000 : JAM code display 010:Pickup delay jam 020:Pickup stationary jam 030:Delivery delay jam 040:Delivery stationary jam 050:Wrap jam/Initial jam 060:Cover open jam Pressing the 3 key DS of DES of HPS of DS : Not used DES : Not used HPS : Home position sensor on/of Pressing the 4 key F-5-12 0000000000 Not used 5-19

Section	Page
Service Manual MF3110 Series LaserBase MF3110	1
Symbols Used	4
Contents	7
Chapter 1　 PRODUCT DESCRIPTION	11
Contents	13
1.1 Product Specifications	15
1.1.1 Product Specifications	15
1.2 Detailed Specifications	17
1.2.1 Printing Speed	17
1.2.2 Stack Upon Delivery	17
1.2.3 System Requirements for Printer Driver	18
1.3 Names of Parts	19
1.3.1 External View	19
1.3.2 Operation panel	21
1.4 Safety	22
1.4.1 Safety of Laser Light	22
1.4.2 Handling the Laser Unit	22
1.4.3 Safety of Toner	23
Chapter 2　 TECHNICAL REFERENCE	25
Contents	27
2.1 Document Feed and Exposure System	29
2.1.1 Overview/Configuration	29
2.1.1.1 Overview	29
2.2 Laser Exposure	30
2.2.1 Overview/Configuration	30
2.2.1.1 Overview	30
2.3 Image Formation	32
2.3.1 Overview/Configuration	32
2.3.1.1 Overview	32
2.4 Pickup and Feed System	34
2.4.1 Overview/Configuration	34
2.4.1.1 Overview	34
2.4.2 Detection Jams	35
2.4.2.1 Jam Detection Outline	35
2.4.2.1.1 Type so Jams	35
2.4.2.2 Delay Jams	36
2.4.2.2.1 Pickup Delay Jam	36
2.4.2.2.2 Delivery Delay Jam	36
2.4.2.3 Stationary Jams	36
2.4.2.3.1 Pickup Stationary Jam	36
2.4.2.3.2 Delivery Stationary Jam	36
2.4.2.4 Other Jams	36
2.4.2.4.1 Wrap Jam	36
2.4.2.4.2 Initial Jam	36
2.4.2.4.3 Cover Open Jam	36
2.5 Fixing Unit	37
2.5.1 Overview/Configuration	37
2.5.1.1 Overview	37
2.5.2 Protective Function	38
2.5.2.1 Protective Mechanisms	38
2.5.2.2 Detecting a Fault in the Fixing Assembly	39
2.6 External and Controls	40
2.6.1 Power Supply	40
2.6.1.1 Energy-Saving Function	40
2.6.1.1.1 Overview	40
Chapter 3　 DISASSEMBLY AND ASSEMBLY	41
Contents	43
3.1 EXTERNAL AND CONTROLS SYSTEM	49
3.1.1 Front Cover	49
3.1.1.1 Removing the Cassette	49
3.1.1.2 Removing the front cover	49
3.1.2 Rear Cover	49
3.1.2.1 Removing the Cassette	49
3.1.2.2 Removing the right cover	49
3.1.2.3 Removing the left cover	50
3.1.2.4 Removing the rear cover	50
3.1.3 Top Cover	50
3.1.3.1 Removing the Cassette	50
3.1.3.2 Removing the right cover	50
3.1.3.3 Removing the left cover	51
3.1.3.4 Removing the rear cover	51
3.1.3.5 Removing the Scanner Unit	51
3.1.3.6 Removing the Top Cover	52
3.1.4 Right Cover	52
3.1.4.1 Removing the Cassette	52
3.1.4.2 Removing the right cover	52
3.1.5 Left Cover	52
3.1.5.1 Removing the Cassette	52
3.1.5.2 Removing the left cover	53
3.1.6 Operation Panel Unit	53
3.1.6.1 Removing the Cassette	53
3.1.6.2 Removing the right cover	53
3.1.6.3 Removing the left cover	54
3.1.6.4 Removing the rear cover	54
3.1.6.5 Removing the Scanner Unit	54
3.1.6.6 Removing the Board Unit	55
3.1.6.7 Removing the Operation Panel Unit	55
3.1.7 SCNT Board	55
3.1.7.1 Removing the Cassette	55
3.1.7.2 Removing the right cover	56
3.1.7.3 Removing the left cover	56
3.1.7.4 Removing the rear cover	56
3.1.7.5 Removing the Scanner Unit	57
3.1.7.6 Removing the Board Unit	57
3.1.7.7 Removing the SCNT Board	58
3.1.8 ECNT Board	58
3.1.8.1 Removing the Cassette	58
3.1.8.2 Removing the left cover	58
3.1.8.3 Removing the ECNT Board	58
3.1.9 Power Supply PCB	59
3.1.9.1 Removing the Cassette	59
3.1.9.2 Removing the right cover	59
3.1.9.3 Removing the left cover	59
3.1.9.4 Removing the rear cover	60
3.1.9.5 Removing the Power Supply Shield Plate	60
3.1.9.6 Removing the Power Supply Assembly	60
3.1.9.7 Removing the Power Supply Board	61
3.1.10 High-voitage Power Supply PCB	61
3.1.10.1 Removing the Cassette	61
3.1.10.2 Removing the right cover	61
3.1.10.3 Removing the left cover	62
3.1.10.4 Removing the rear cover	62
3.1.10.5 Removing the Power Supply Shield Plate	62
3.1.10.6 Removing the Power Supply Assembly	63
3.1.10.7 Removing the High- Voltage Power Supply Board	63
3.1.11 Top Sensor	63
3.1.11.1 Removing the Cassette	63
3.1.11.2 Removing the right cover	64
3.1.11.3 Removing the left cover	64
3.1.11.4 Removing the front cover	65
3.1.11.5 Removing the rear cover	65
3.1.11.6 Removing the Scanner Unit	65
3.1.11.7 Removing the Top Cover	66
3.1.11.8 Removing the Right Frame	66
3.1.11.9 Removing the Plate	66
3.1.11.10 Removing the Left Frame	66
3.1.11.11 Removing the Power Supply Shield Plate	67
3.1.11.12 Removing the Power Supply Assembly	67
3.1.11.13 Removing the Top Sensor	67
3.1.12 Paper Delivery Sensor	68
3.1.12.1 Removing the Cassette	68
3.1.12.2 Removing the right cover	68
3.1.12.3 Removing the left cover	68
3.1.12.4 Removing the front cover	69
3.1.12.5 Removing the rear cover	69
3.1.12.6 Removing the Power Supply Shield Plate	69
3.1.12.7 Removing the Scanner Unit	69
3.1.12.8 Removing the Plate	70
3.1.12.9 Removing the Paper Delivery Sensor	70
3.2 Document Feed/ Exposure System	71
3.2.1 Scanner Unit	71
3.2.1.1 Removing the Cassette	71
3.2.1.2 Removing the right cover	71
3.2.1.3 Removing the left cover	71
3.2.1.4 Removing the rear cover	72
3.2.1.5 Removing the Scanner Unit	72
3.2.2 Scanner Cover Unit	72
3.2.2.1 Removing the Cassette	72
3.2.2.2 Removing the right cover	72
3.2.2.3 Removing the left cover	73
3.2.2.4 Removing the rear cover	73
3.2.2.5 Removing the Scanner Unit	73
3.2.2.6 Removing the Board Unit	74
3.2.2.7 Removing the Operation Panel Unit	74
3.2.2.8 Removing the Scanner Cover Unit	75
3.2.3 CCD Unit	75
3.2.3.1 Removing the Cassette	75
3.2.3.2 Removing the right cover	75
3.2.3.3 Removing the left cover	75
3.2.3.4 Removing the rear cover	76
3.2.3.5 Removing the Scanner Unit	76
3.2.3.6 Removing the Board Unit	76
3.2.3.7 Removing the Operation Panel Unit	77
3.2.3.8 Removing the Scanner Cover Unit	77
3.2.3.9 Removing the Flatbed Motor Unit	77
3.2.3.10 Removing the CCD Unit	78
3.2.4 Flatbed Motor Unit	78
3.2.4.1 Removing the Cassette	78
3.2.4.2 Removing the right cover	78
3.2.4.3 Removing the left cover	79
3.2.4.4 Removing the rear cover	79
3.2.4.5 Removing the Scanner Unit	79
3.2.4.6 Removing the Board Unit	80
3.2.4.7 Removing the Operation Panel Unit	80
3.2.4.8 Removing the Scanner Cover Unit	80
3.2.4.9 Removing the Flatbed Motor Unit	81
3.3 LASER EXPOSURE SYSTEM	82
3.3.1 Laser/Scanner Unit	82
3.3.1.1 Removing the Cassette	82
3.3.1.2 Removing the right cover	82
3.3.1.3 Removing the left cover	82
3.3.1.4 Removing the rear cover	83
3.3.1.5 Removing the Scanner Unit	83
3.3.1.6 Removing the Top Cover	83
3.3.1.7 Removing the Laser/ Scanner Unit	84
3.4 IMAGE FORMATION SYSTEM	85
3.4.1 Transfer Charging Roller	85
3.4.1.1 Removing the Transfer Charging Roller	85
3.5 PICKUP AND FEEDING SYSTEM	86
3.5.1 Cassette Pickup Roller	86
3.5.1.1 Removing the Cassette	86
3.5.1.2 Removing the right cover	86
3.5.1.3 Removing the left cover	86
3.5.1.4 Removing the front cover	87
3.5.1.5 Removing the rear cover	87
3.5.1.6 Removing the Scanner Unit	87
3.5.1.7 Removing the Top Cover	88
3.5.1.8 Removing the Right Frame	88
3.5.1.9 Removing the Plate	88
3.5.1.10 Removing the Left Frame	88
3.5.1.11 Removing the Power Supply Shield Plate	89
3.5.1.12 Removing the Power Supply Assembly	89
3.5.1.13 Removing the Gear Unit	89
3.5.1.14 Removing the Tooth- Missing Gear	90
3.5.1.15 Removing the Cassette Pickup Roller	90
3.5.2 Cassette Pickup Solenoid	90
3.5.2.1 Removing the Cassette	90
3.5.2.2 Removing the right cover	90
3.5.2.3 Removing the left cover	91
3.5.2.4 Removing the front cover	91
3.5.2.5 Removing the rear cover	91
3.5.2.6 Removing the Scanner Unit	92
3.5.2.7 Removing the Top Cover	92
3.5.2.8 Removing the Right Frame	92
3.5.2.9 Removing the Plate	93
3.5.2.10 Removing the Left Frame	93
3.5.2.11 Removing the Power Supply Shield Plate	93
3.5.2.12 Removing the Power Supply Assembly	93
3.5.2.13 Removing the Cassette Pickup Solenoid	94
3.5.3 Cassette Separation Pad	94
3.5.3.1 Removing the Rear of the Cassette	94
3.5.3.2 Removing the Cassette Separation Pad	94
3.5.4 Paper Feed Roller	95
3.5.4.1 Removing the Cassette	95
3.5.4.2 Removing the right cover	95
3.5.4.3 Removing the left cover	95
3.5.4.4 Removing the front cover	96
3.5.4.5 Removing the rear cover	96
3.5.4.6 Removing the Scanner Unit	96
3.5.4.7 Removing the Top Cover	97
3.5.4.8 Removing the Right Frame	97
3.5.4.9 Removing the Plate	97
3.5.4.10 Removing the Left Frame	97
3.5.4.11 Removing the Power Supply Shield Plate	98
3.5.4.12 Removing the Power Supply Assembly	98
3.5.4.13 Removing the Gear Unit	98
3.5.4.14 Removing the Tooth- Missing Gear	99
3.5.4.15 Removing the Manual Stay	99
3.5.4.16 Removing the Paper Feed Guide	99
3.5.4.17 Removing the Paper Feed Roller	100
3.5.5 Manual Pickup Solenoid	100
3.5.5.1 Removing the Cassette	100
3.5.5.2 Removing the right cover	100
3.5.5.3 Removing the left cover	100
3.5.5.4 Removing the front cover	101
3.5.5.5 Removing the rear cover	101
3.5.5.6 Removing the Scanner Unit	101
3.5.5.7 Removing the Top Cover	102
3.5.5.8 Removing the Right Frame	102
3.5.5.9 Removing the Plate	102
3.5.5.10 Removing the Left Frame	102
3.5.5.11 Removing the Power Supply Shield Plate	103
3.5.5.12 Removing the Power Supply Assembly	103
3.5.5.13 Removing the Manual Pickup Solenoid	103
3.5.6 Main Motor	104
3.5.6.1 Removing the Cassette	104
3.5.6.2 Removing the right cover	104
3.5.6.3 Removing the left cover	104
3.5.6.4 Removing the front cover	105
3.5.6.5 Removing the rear cover	105
3.5.6.6 Removing the Scanner Unit	105
3.5.6.7 Removing the Top Cover	106
3.5.6.8 Removing the Right Frame	106
3.5.6.9 Removing the Plate	106
3.5.6.10 Removing the Left Frame	106
3.5.6.11 Removing the Power Supply Shield Plate	107
3.5.6.12 Removing the Power Supply Assembly	107
3.5.6.13 Removing the Main Motor	107
3.5.7 Gear Unit	108
3.5.7.1 Removing the Cassette	108
3.5.7.2 Removing the right cover	108
3.5.7.3 Removing the Gear Unit	108
3.6 FIXING SYSTEM	109
3.6.1 Fixing Film Unit	109
3.6.1.1 Removing the Cassette	109
3.6.1.2 Removing the right cover	109
3.6.1.3 Removing the left cover	109
3.6.1.4 Removing the front cover	110
3.6.1.5 Removing the rear cover	110
3.6.1.6 Removing the Scanner Unit	110
3.6.1.7 Removing the Top Cover	111
3.6.1.8 Removing the Right Frame	111
3.6.1.9 Removing the Plate	111
3.6.1.10 Removing the Left Frame	111
3.6.1.11 Removing the Power Supply Shield Plate	112
3.6.1.12 Removing the Fixing Film Unit	112
3.6.2 Fixing Pressure Roller	113
3.6.2.1 Removing the Cassette	113
3.6.2.2 Removing the right cover	113
3.6.2.3 Removing the left cover	113
3.6.2.4 Removing the front cover	114
3.6.2.5 Removing the rear cover	114
3.6.2.6 Removing the Scanner Unit	114
3.6.2.7 Removing the Top Cover	115
3.6.2.8 Removing the Right Frame	115
3.6.2.9 Removing the Plate	115
3.6.2.10 Removing the Left Frame	115
3.6.2.11 Removing the Power Supply Shield Plate	116
3.6.2.12 Removing the Fixing Film Unit	116
3.6.2.13 Removing the Fixing Pressure Roller	117
Chapter 4　 MAINTENANCE AND INSPECTION	119
Contents	121
4.1 Periodically Replaced Parts	123
4.1.1 Parts Requiring Periodical Replacement	123
4.2 Consumables	124
4.2.1 Consumable	124
4.3 Periodical Service	125
4.3.1 Items Requiring Scheduled Servicing	125
4.4 Cleaning	126
4.4.1 Items Requiring Cleaning	126
4.4.2 Cleaning Method (external covers)	127
4.4.3 Cleaning Method (scanning unit)	127
4.4.4 Cleaning Method (printer unit)	128
4.5 Lubrications	129
4.5.1 Areas Requiring Application of Grease	129
4.5.2 Delivery Idler Gear	130
4.5.3 Fixing Drive Transmission Gear	131
4.5.4 Large Gear Bushing R	131
4.5.5 Large Gear	132
4.5.6 Feed Gear	132
4.5.7 Internal Gear	133
4.5.8 Large Gear Deceleration Gear/Plate R	134
4.5.9 Main Motor	135
4.5.10 Drive Releasing Arm	136
4.5.11 FU Delivery Roller	137
4.5.12 Pickup Idler Gear	138
4.5.13 Feed Deceleration Gear	138
4.5.14 Fixing Deceleration Gear	139
4.5.15 FD Delivery Roller	140
4.5.16 Large Gear Bushing F	140
4.5.17 Pressure roller	141
4.5.18 Cassette Pickup Roller	141
4.5.19 CCD Shaft	142
4.5.20 Wheel Shaft	142
Chapter 5　 TROUBLE- SHOOTING	143
Contents	145
5.1 Phenomenon Table	147
5.1.1 Symptoms	147
5.2 Countermeasure	148
5.2.1 Image Faults	148
5.2.1.1 Partially Blank/Streaked	148
5.2.1.1.1 There are vertical black lines or a vertical white line in a solid black image.	148
5.2.2 Malfunction	148
5.2.2.1 Control Panel-Related	148
5.2.2.1.1 When manual paper size is set to envelope, the LCD in standby mode shows ENV. regardles...	148
5.2.2.2 Malfunction/Faulty Detection	148
5.2.2.2.1 When paper size is set to A5, paper size error does not occur even if printing is made ...	148
5.2.3 Printing/Scanning	149
5.2.3.1 Faulty Printing/Scanning Result	149
5.2.3.1.1 When legal paper is used to copy multiple documents, image at the top of the 2nd docume...	149
5.2.4 Jam (Main Unit)	149
5.2.4.1 Jam when feeding paper from a cassette	149
5.2.4.2 The machine identifies a jam when its power is turned off and then on with paper in its m...	149
5.3 Measurement and Adjustment	150
5.3.1 Basic Adjustments	150
5.3.1.1 Items of Adjustment	150
5.4 Service Tools	151
5.4.1 Special Tools	151
5.5 Error Code	152
5.5.1 Outline	152
5.5.1.1 Error Code Outline	152
5.5.2 Service Error Code	152
5.5.2.1 Unique Remedies Service Error Codes	152
5.5.2.2 E000 Fixing Unit Failure	152
5.5.2.3 E100 Laser/Scanner Unit Failure	153
5.6 Service Mode	154
5.6.1 Outline	154
5.6.1.1 Service Data Setting	154
5.6.1.2 Service Data Entry Method	155
5.6.1.3 Service Data Flowchart	155
5.6.2 Service Soft Switch Settings (SSSW)	158
5.6.2.1 Outline	158
5.6.2.1.1 Explanation of #SSSW	158
5.6.2.2 SSSW-SW14	159
5.6.2.2.1 List of Functions	159
5.6.2.2.2 Details of Bit 0 and Bit 1	159
5.6.3 ROM Management (ROM)	160
5.6.3.1 ROM	160
5.6.4 Test Mode (TEST)	160
5.6.4.1 Overview	160
5.6.4.1.1 Test Mode Overview	160
5.6.4.1.2 Test Mode Flowchart	161
5.6.4.2 DRAM Test	162
5.6.4.2.1 D-RAM Test	162
5.6.4.3 Print Test	163
5.6.4.3.1 PRINT Test	163
5.6.4.4 Faculty Test	164
5.6.4.4.1 FACULTY Tests	164
5.6.4.4.2 Sensor Tests	165
5.6.4.4.3 Operation panel tests	166
Chapter 6　 APPENDIX	169
Contents	171
6.1 Outline of Electrical Components	173
6.1.1 Sensor	173
6.1.1.1 Arrangement of Sensors and Switches	173
6.1.2 PCBs	174