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BenQ 2720S User Manual

BenQ 2720S
67 pages
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BENQ
P
ROFESSIONAL
F
ILM
S
CANNER
S
CAN
W
IT
2740S
S
ERVICE
G
UIDE
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BenQ 2720S Specifications

General IconGeneral
BrandBenQ
Model2720S
CategoryScanner
LanguageEnglish

Summary

System Overview

Features

Overview of the professional film scanner's key capabilities and specifications.

Specifications and Section Names

Specifications

Detailed technical specifications of the film scanner, including resolution, speed, and system requirements.

Sectional Diagram

Visual representation and naming of the scanner's main internal components.

Theory of Operation

Fundamental of Optic Process

Explanation of the basic optical principles for image capture: Auto-Focusing, Imaging, and Receiving.

Scan Process

Step-by-step description of the scanning workflow from preset to output.

Mechanism

Optics Module

Details the parts and function of the optical system for image formation.

Transmission Module

Describes the motor and gear system that drives the film/slide holder.

Electrical Systems

Overview

General overview of the film scanner's electrical architecture and main modules.

SCSI Interface

Explanation of the SCSI protocol and hardware for host computer communication.

Scanner Controller (ASIC & μP)

Details the ASIC and microprocessor responsible for scanner control and processing.

Analog Signal Processor

Describes the ASP on the main board for signal amplification and digitization.

CCD Head/Elements

Covers the CCD sensor, amplifier, line motor, and home sensor.

Main Flow Chart of Film Scanner

Visual flowchart illustrating the scanner's operational sequence from power-on to standby.

Connectors of Scanner 2740S

Details connector pin assignments for various boards like SPS, MainBoard, and CCD Board.

Trouble-shooting

Error Code Identification from “Status” LED

Identifies error conditions based on the flashing patterns of the status LED.

No Function after Power On

Lists common causes and checks for the scanner failing to operate after power-up.

Cannot Link with Host Computer

Troubleshooting steps for establishing communication between the scanner and the computer.

Flash "1" time

Troubleshooting specific to LED error code: 1 flash (Firmware Upgrade error).

Flash "2" times

Troubleshooting specific to LED error code: 2 flashes (DATA RAM error).

Flash "4" times

Troubleshooting specific to LED error code: 4 flashes (ASIC error).

Flash "5" times

Troubleshooting specific to LED error code: 5 flashes (Line Motor/Home Sensor error).

Flash "6" times

Troubleshooting specific to LED error code: 6 flashes (Auto Focus Motor/Sensor error).

Flash "7" and "8" times

Troubleshooting specific to LED error codes: 7 or 8 flashes (DC Offset/Lamp/CCD error).

Scan Quality not Good

Addresses common issues that result in poor scanned image quality.

Power Supply

Troubleshooting steps related to the scanner's power input and internal power distribution.

CCD Head

Specific troubleshooting for the CCD sensor and related components.

Maintenance

Precaution

Essential safety guidelines and precautions to follow before and during maintenance procedures.

Housing Section

Instructions for safely removing and disassembling the scanner's outer housing.

Transmission Section

Procedure for removing the scan motor and transmission assembly.

PCB-frame Section

Steps for disconnecting and removing the main board and power board.

Panel Board Section

Instructions for removing the front panel board and its connections.

About Resolution

Explanation of factors that influence the scanner's image resolution performance.

Frequently Asked Questions

General Questions

Answers to common questions regarding hardware configuration and scanner features.

MiraPhoto

FAQs addressing driver updates and software compatibility issues.

Hardware (Scanner)

Common questions about scanner driver installation and SCSI connectivity.

Others

Miscellaneous FAQs covering software registration and CD readability issues.

Spare Parts Ordering Information

Ordering Information

Guidelines and required data for placing an order for spare parts.

Spare Parts List

A comprehensive list of available spare parts with part numbers and descriptions.

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