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Samsung ML-1665 Service Manual - Page 36

Data and Control Flow, The above Block Diagram is explained - printer driver

UPC - 635753627763

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Product spec and feature 2.2.6.3 Data and Control Flow . GDI(only SCX-4824FN) & PCL6 (PCL XL) The above Block Diagram is explained that: Host Side is made up of 1. Driver that is Windows application software translate printed data to one of printer language and create spooler file. 2. Web-based Application that offer a various printer additional functions, management of printing job, printer administration, Status monitor to monitoring the printer status by real time in Web, independent environment on OS. 3. Stand-alone Application that is a similar Window software as same as above 2, 4. Port Monitor that manages the network communication between spooler and Network Interface Card, or various additional application and Network Interface Card,(this is, at first, make communication logical port, manage the data, transfer them from spooler to network port, and offer the result of printing). Service Manual 2-26 Samsung Electronics

Section	Page
Service manual (ML-1660)	1
Contents	3
1. Precautions	6
2. Product spec and feature	11
2.1 Product Specifications	11
2.1.1 Product Overview	11
2.1.2 Specifications	12
2.1.3 Model Comparison Table	17
2.2 System Overview	18
2.2.1 Front View	18
2.2.2 Rear View	19
2.2.3 System Layout	20
2.2.4 Engine H/W Specific	27
2.2.5 Engine F/W Contol Algorithm	33
2.2.6 S/W Descriptions	35
3. Disassembly and Reassembly	38
3.1 Precautions when replacing parts	38
3.2 Screws used in the printer	39
3.3 Cover	40
3.3.1 Left/Right cover	40
3.3.2 Rear bracket	40
3.3.3 Cover-open	41
3.3.4 Top/Front cover	41
3.4 Main PBA	42
3.5 SMPS/HVPS board	43
3.6 Fuser unit	44
3.7 LSU	45
3.8 Drive unit	46
3.9 Step motor	47
3.10 Pick up roller	48
4. Alignment and Troubleshooting	49
4.1 Alignment and Adjustments	49
4.1.1 Control Panel	49
4.1.2 Understanding The Control Panel	50
4.1.3 JAM Removal	51
4.1.4 Printing a report	53
4.1.5 Periodic Defective Image	56
4.1.6 Firmware upgrade	57
4.1.7 Using the smart panel program	58
4.2 Troubleshooting	60
4.2.1 Procedure of Checking the Symptoms	60
4.2.2 Bad discharge	63
4.2.3 Malfunction	67
4.2.4 Bad image	72
Smart Panel error message	86
5. System Diagram	108
5.1 Block Diagram	108
5.2 Connection Diagram	109

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Product spec and feature

Service Manual

2-26

Samsung Electronics

2.2.6.3 Data and Control Flow

The above Block Diagram is explained that:

Host Side is made up of

1. Driver that is Windows application software translate printed data to one of printer language and create

spooler ﬁle.

2. Web-based Application that offer a various printer additional functions, management of printing job,

printer administration, Status monitor to monitoring the printer status by real time in Web, independent

environment on OS.

3. Stand-alone Application that is a similar Window software as same as above 2,

4. Port Monitor that manages the network communication between spooler and Network Interface Card, or

various additional application and Network Interface Card,(this is, at ﬁrst, make communication logical

port, manage the data, transfer them from spooler to network port, and offer the result of printing).

GDI(only SCX-4824FN)

& PCL6 (PCL XL)