Chapter 55-15.1 Construction5.1.1 Specifications, Control Mechanisms, and Functions 0012-5813imagePRESS C1 / Color Image Reader-H1 / imagePRESS C1+ (Printer) / imagePRESS C1+The original scanning system is characterized by the following specifications, control mechanisms, and functions:T-5-15.1.2 Major Components 0012-5815imagePRESS C1 / Color Image Reader-H1 / imagePRESS C1+ (Printer) / imagePRESS C1+The scanning system consists of the following major components:T-5-2Item DescriptionScanning lamp xenon lampOriginal scan book mode: scanning by moving the scannerADF in use (simplexing): scanning by moving the original (stream reading mode)ADF in use (duplexing): scanning by moving the scanner (copyboard mode)Reading resolution 600 (main scanning) x 600 dpi (sub scanning)Number of gradations 256Scanner position detection by scanner HP sensorLens single-focus, fixed in placeMagnification copyboard mode: 100%, 50%ADF mode: 100%, 50%sub scanning direction: image processing by controllermain scanning direction: image processing by controllerScanner drive control No. 1/No. 2 mirror base: by pulse motorScanning lamp activation control [1] by inverter circuit[2] by error detectionOriginal size identification [1] Book Modesub scanning direction: image processing by controllermain scanning direction: by CCD[2] ADF in Usemain scanning direction: by slide guide in ADFsub scanning direction: by photosensor in ADFItem Notation DescriptionScanning lamp LA1 xenon tube (120,000 lx)Scanner motor M501 2-phase pulse motor (pulse control)Reader cooling fan 2 FM1 cools the reader unit (if DF present)Reader cooling fan 1 FM2 cools the reader unit (if DF present)ADF open/closed sensor PS501 ADF state (open/closed) detection (at angle of 25 deg)Scanner HP sensor PS502 detects scanner home positionOriginal size sensor (AB-configuration) CF1 detects size in sub scanning direction (AB-configuration)Original size sensor (INCH-configuration) CF2 detects size in sub scanning direction (INCH-configuration)Mirror --- No. 1/No. 2/No. 3 mirrorInverter PCB --- operates scanning lampCCD unit --- reads images, processes analog image datareader controller PCB --- controls reader as a whole, processes digital image data