2004 Brother MFC5840CN & MFC5440CN Printer Service & Repair Manual
Brother MFC5840CN & MFC5440CN service data - print engine, scanner, control panel, and maintenance procedures. Publication C4085-91017.
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Models Covered & Key Technical Specifications
Brother MFC5840CN / MFC5440CN Service Manual (C4085-91017) | 2004 Brother MFC5840CN & MFC5440CN Service Manual | Reference Archive
- Technical Specifications Data: 16 MB memory capacity ensures efficient data handling.
- Operational Parameters: 50 to 95°F (10 to 35°C) defines the optimal operating environment range.
- Performance Metrics: 100 sheets (20 lb.) is the standard paper tray capacity.
- Component Details: Up to 35 sheets is the Automatic Document Feeder (ADF) capacity.
- Connectivity Standards: USB1.1/2.0 (@ FULL-SPEED) supports versatile peripheral connections.
- Print Technology Data: Piezo with 74 nozzles for each color + 74 nozzles for black.
Professional Workshop Service Manual & Technical Specifications
Brother MFC5840CN & MFC5440CN Printer Service & Repair Guide 2004 - Authorized Technical Manual Reference-Archive
| Series-Validation: MFC5840CN/MFC5440CN // Product-Line: Copier / Printer Logic // Reference-Category: Service Manual. | Performance-Element | Value | Validation-Data |
|---|---|---|---|
| Print Engine | BH3 (KKCMY) | 74 nozzles/line | |
| Technology | Inkjet | Inkjet | |
| Scanning Method | CIS | CIS | |
| Operating Environment | 10 - 35 (20 - 33) degrees Centigrade | 10 - 35 (20 - 33) degrees Centigrade | |
| Power Consumption | Less than, 5Wh / - / - / 8.1Wh / 24Wh | Less than, 4Wh / - / - / 9.5Wh / 26Wh |
Coverage is segmented into the following primary systems:
Scanner Mechanism
Details the document cover, scanner unit, and automatic document feeder (ADF) components, including diagrams and operational descriptions.
Printing Mechanism
Covers paper pulling-in, registration, feeding, ejecting mechanisms, ink supply, ink jet, head maintenance, and carriage drive mechanisms.
Control Electronics
Explains the hardware components and connection diagrams, including the main PCB, MJ PCB, and power supply PCB.
Maintenance Mode Functions
Lists and describes various functions like EEPROM initialization, test patterns, firmware settings, and sensor checks.
Disassembly/Reassembly and Lubrication
Provides detailed procedures for taking the machine apart and putting it back together, including screw tightening torques and lubrication points. This manual documents torque specifications for various components to ensure proper pressure slip prevention.
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