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AL-2021
Sharp AL-2021 Service Manual
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AL-2041 ELE
CTRICAL SECT
ION 13 -
3
B.
SPF unit
DHAI-0532QSP1
CN2
CN2
17
9
228-6
2
9
2132-6
24VSPFMT
1
5
COMA
24VSPFMT
2
2
COMB
SPMT_0
3
4
A
SPMT_2
4
6
/A
SPMT_1
5
3
B
SPMT_3
6
1
/B
SPID
7
DGND
8
LEDSPID
9
17
9
228-3
2
9
2250-3
SPPD
10
1
SPID
DGND
11
2
DGND
LEDSPPD
12
3
LEDSPID
B12B-PH-K-S
PHR-12
17
9
228-3
2
9
2250-3
1
SPPD
2
DGND
3
LEDSPPD
DHAI-0532QSP1
SPF harness (A-JAG)
MCU
MCU
PWB
PWB
SPID
SPID
SPMT
SPMT
SPF UNIT
SPF UNIT
SPPD
SPPD
chosen by a model
chosen by a model
SPF harness (A-JAG)
98
100
Table of Contents
Default Chapter
1
Service Manual
1
Table of Contents
3
[1] General
5
Major Functions
5
Specifications
6
Basic Specifications
6
Operation Specifications
6
Copy Performance
7
SPLC Printer
8
Scan Function
8
Spf (Al-2031/2041)
8
[3] Consumable Parts
9
Supply System Table
9
Environmental
10
Production Control Number (Lot No.) Identification
10
External Views and Internal Structures
11
Appearance
11
Internal
11
Operation Panel
12
Indicators on the Operation Panel
13
Motors and Solenoids
14
Sensors and Switches
15
PWB Unit
16
Cross Sectional View
17
Unpacking and Installation
18
Copier Installation
18
Cautions on Handling
18
Checking Packed Components and Accessories
18
Unpacking
19
Removing Protective Packing Materials
19
Installing the TD Cartridge
19
Loading Paper
20
Power to Copier
20
Software
20
Hardware and Software Requirements
21
Installing the Software
21
Configuring the Printer Driver
23
Setting up Button Manager
23
Interface
25
Usb
25
Moving
25
Scanner Moisture-Proof Kit
25
Components
25
Precautions at Installation
25
Attachment Method
25
Copy Process
29
Functional Diagram
29
Outline of Print Process
30
Actual Print Process
30
Operational Descriptions
33
Outline of Operation
33
Scanner Section
34
Scanner Unit
34
Optical System
34
Drive System
34
Laser Unit
35
Basic Structure
35
Laser Beam Path
35
Composition
35
Fuser Section
35
General Description
36
Paper Feed Section and Paper Transport Section
36
Paper Transport Path and General Operations
36
Process Unit New Drum Detection Mechanism
39
SPF Section
40
Outline
40
Document Transport Path and Basic Composition
40
Operational Descriptions
40
SPF Open/Close Detection (Book Document Detection)
41
Disassembly and Assembly
42
High Voltage Section
42
List
42
Disassembly Procedure
42
Assembly Procedure
42
Charger Wire Cleaning
42
Charger Wire Replacement
43
Operation Panel Section
43
List
43
Disassembly Procedure
43
Assembly Procedure
44
Optical Section
44
List
44
Disassembly Procedure
44
Assembly Procedure
46
Fusing Section
46
List
46
Disassembly Procedure
46
Assembly Procedure
49
Tray Paper Feed/Transport Section
49
List
49
Disassembly Procedure
49
Assembly Procedure
53
Manual Paper Feed Section
54
List
54
Disassembly Procedure
54
Assembly Procedure
55
Pressure Plate Holder Attachment
55
Rear Frame Section
56
List
56
Disassembly Procedure
56
Assembly Procedure
56
Power Section
57
List
57
Disassembly Procedure
57
Assembly Procedure
57
Duplex Motor Section
57
Reverse Roller Section
57
SPF Section (AL-2031/2041)
58
SPF Motor
58
Pick-Up Roller, Paper Feed Roller
59
Paper Exit Roller
59
Set Sensor, Scan Front Sensor
60
Transport Roller
60
Adjustments
61
Optical Section
61
Copy Magnification Ratio Adjustment
61
Image Position Adjustment
62
Copy Density Adjustment
64
Copy Density Adjustment Timing
64
Note for Copy Density Adjustment
64
Necessary Tool for Copy Density Adjustment
64
Features of Copy Density Adjustment
64
Copy Density Adjustment Procedure
64
High Voltage Adjustment
65
Main Charger (Grid Bias)
65
DV Bias Check
65
Duplex Adjustment
65
Adjusting the Paper Reverse Position in Memory for Duplex Copying
65
Adjusting Trailing Edge Void in Duplex Copy Mode
66
SPF Scan Position Automatic Adjustment
67
SPF Mode Sub Scanning Direction Magnification Ratio Adjustment
67
Automatic Black Level Correction
68
Simulation, Trouble Codes
69
Entering the Simulation Mode
69
Key Rule
69
List of Simulations
69
Descriptions of Various Simulations
70
Trouble Codes
92
Trouble Codes List
92
Details of Trouble Codes
92
User Program
95
Setting the User Programs
95
Checking the Toner Level
96
Electrical Section
97
Block Diagram
97
Overall Block Diagram
97
Actual Wiring Diagram
98
Mcu Pwb
98
SPF Unit
99
Signal Name List
100
Circuit Diagram
102
Mcu Pwb
102
Ope Pwb
116
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Start Guide
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Sharp AL-2021 Specifications
General
Brand
Sharp
Model
AL-2021
Category
All in One Printer
Language
English
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