Sharp AR-122E/152E/153E/157E Digital Laser Copier Service Manual (131 Pages)
Comprehensive service documentation covering AR-122E through AR-157E models with disassembly procedures, electrical schematics, adjustment protocols, and troubleshooting diagnostics.
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Models Covered & Key Technical Specifications
Sharp AR-122E/152E/153E/157E Digital Laser Copier — 2002
Procedural Technical Blueprint | AR Series Edition.
- Verified Output Quality: 600 dpi is established at the optical scanning resolution Architecture.
- Key Tension Specs: 15 copies per minute yields the standard copy speed Protocol.
- Prescribed Reservoir Specs: 9.6 seconds specifies the warm-up time initialization Norms.
- Nominal Interference Fit: The fusing unit requires 300 Wh/H for average power consumption Bounds.
- Design Thermal Envelope: 80 Wh/H corresponds to the standby energy consumption Topology.
- Designated DPI Rating: Operating dimensions maintain 518 mm (W) × 492.5 mm (D) × 465.4 mm (H) Standards.
Professional Workshop Service Manual & Technical Specifications
Certified Quality Field Manual: Copier Sharp AR-122E/152E/153E/157E Service Manual (131 Pages) Factory-Standards
Conceptual-Layout: AR-122E/152E/153E/157E digital laser copier/printer models // Component-Focus: Electrostatic copy process / Optical scanning system Logic // Specification-Class: 600 dpi resolution, 15 CPM standard speed, OPC drum photoconductor architecture.
| Integrated-Framework | Value | Calibration-Spec |
|---|---|---|
| Document Overview | Service Manual (131 pages) | Complete technical specifications provided |
| Model Coverage | AR-122E (12 CPM), AR-152E/153E/157E (15 CPM) | Documented across all series variants |
| Copy System | Dry electrostatic digital process | See operational descriptions chapter |
| Resolution Output | 600 dpi optical scanning | CCD sensor calibration documented |
| Paper Capacity | 250-sheet tray + bypass feed | Multiple feed configuration specs |
| Power Specifications | 100-240V common use 50/60Hz | Voltage requirements detailed |
| Fusing Temperature | 165-190°C surface control | Thermistor adjustment procedures |
| Memory Configuration | 8MB/16MB SDRAM options | Image process page memory |
Service sections detail operational descriptions addressing copy process fundamentals, articulating specifications covering basic machine dimensions and performance parameters, documenting disassembly and assembly procedures for high voltage and optical components, outlining adjustments including magnification ratio and image positioning, and providing maintenance tables with counter display systems.
Reassembly procedures are specified for the high voltage section including main charger grid bias adjustment and transfer charger wire replacement protocols. The manual provides comprehensive coverage of the electrostatic print process utilizing OPC drum technology with semiconductor laser exposure systems. Component locations are identified for the LSU laser unit, CCD sensor assembly, fusing section heat roller mechanisms, and paper transport pathways. Calibration requirements are specified for copy density across auto/manual/photo modes, main scanning direction magnification ratio correction, and sub-scanning direction speed adjustments.
The document includes detailed technical data for the image process ASIC (HG73C119HF) controlling CCD drive circuits, print data processing, and DRAM buffer management. Electrical section diagrams document the MCU PWB unit featuring the H8S/2320 CPU with integrated motor control circuits and mechanical load sensor I/O interfaces. Power supply circuit descriptions cover the flyback converter system generating regulated 3.3V/5V/12V/24V outputs with overcurrent protection and noise filtering. Service intervals are documented for developer replacement at 25,000-sheet intervals, drum cartridge maintenance at 25,000-sheet cycles, and toner cartridge monitoring through optical density sensors.
The manual documents torque specifications for the fusing unit assembly to ensure proper thermal expansion compensation. Simulation mode procedures enable diagnostic testing of individual subsystems including mirror scan operations, high voltage output verification, and motor drive circuit validation. Trouble code reference tables identify fault conditions such as thermistor open detection (H2), fusing temperature anomalies (H3/H4), and EEPROM communication errors (U2). Service procedures are documented for consumable parts replacement including the TD cartridge installation sequence, developer unit filling procedures, and cleaning blade attachment with precise positioning tolerances.
Circuit descriptions detail the main motor drive using brushless DC control, stepping motor excitation for the scanner carriage and SPF document feeder, and toner supply motor pseudo-AC waveform generation. The RSPF (duplex document feeder) transport mechanism provides automatic two-sided document scanning with switchback roller coordination and gate solenoid timing control. Wiring diagrams illustrate connector pinouts for the 35-pin interface board, 24-pin MCU power distribution, and 32-pin CCD scanner harness connections across seven detailed actual wiring sheets.
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