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Contents
Characteristics -----------------------------------------------------------------1-2
Product Specifications -------------------------------------------------------1-3
Host Machine Specifications ---------------------------------------------------- 1-3
Detailed Specification --------------------------------------------------------1-4
Printing Speed ---------------------------------------------------------------------- 1-4
Parts Name ---------------------------------------------------------------------1-5
External View ----------------------------------------------------------------------- 1-5
Cross Section View ---------------------------------------------------------------- 1-6
Operation ------------------------------------------------------------------------1-6
Control panel ------------------------------------------------------------------------ 1-6
Functions of the LEDs --------------------------------------------------------------------- 1-6
Control Panel Key -------------------------------------------------------------------------- 1-7
Safety Precautions ------------------------------------------------------------1-8
Handling the Laser Unit ---------------------------------------------------------- 1-8
Points to note at disassembly/installation procedure --------------------- 1-9
Basic Configuration -----------------------------------------------------------2-2
Laser Exposure System -----------------------------------------------------2-4
Outline -------------------------------------------------------------------------------- 2-4
Fault Detection ------------------------------------------------------------------------------ 2-4
Image Formation System ---------------------------------------------------2-5
Construction ------------------------------------------------------------------------- 2-5
Outline ----------------------------------------------------------------------------------------- 2-5
Image-formation Process ----------------------------------------------------------------- 2-5
Latent image formation block ------------------------------------------------------------ 2-6
Developing block---------------------------------------------------------------------------- 2-6
Transfer block ------------------------------------------------------------------------------- 2-6
Fixing block ----------------------------------------------------------------------------------- 2-7
ITB cleaning block -------------------------------------------------------------------------- 2-8
Photosensitive drum cleaning block --------------------------------------------------- 2-8
Driving and Controlling the High-Voltage System ------------------------- 2-9
Image Stabilization Control ------------------------------------------------------ 2-9
Overview of the Image Stabilization Control Mechanism ------------------------- 2-9
Image density correction control (D-max control) ---------------------------------- 2-9
Image gradation correction control (D-half control) -------------------------------2-10
Color displacement correction control ------------------------------------------------2-11
Drum Cartridge --------------------------------------------------------------------2-12
Developing roller engagement/disengagement control --------------------------2-12
Transfer Unit -----------------------------------------------------------------------2-12
Pad transfer ---------------------------------------------------------------------------------2-12
Fixing System ---------------------------------------------------------------- 2-13
Overview ----------------------------------------------------------------------------2-13
Overview -------------------------------------------------------------------------------------2-13
Various Control Mechanisms --------------------------------------------------2-13
Controlling the Speed of Fixing Assembly -------------------------------------------2-13
Fixing temperature control---------------------------------------------------------------2-14
Protective Functions -------------------------------------------------------------2-15
Pickup/Feed/Delivery System -------------------------------------------- 2-16
Construction ------------------------------------------------------------------------2-16
Overview -------------------------------------------------------------------------------------2-16
Detecting Jam ---------------------------------------------------------------------2-17
Cassette Pickup Unit -------------------------------------------------------------2-18
Separation Roller Method ---------------------------------------------------------------2-18
Summary of Contents for Color imageRUNNER LBP5280
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Page 216: ...5 5 5 19 5 19 Troubleshooting Error Code Jam Code Troubleshooting Error Code Jam Code ...
Page 276: ... General Timing Chart General Circuit Diagram Signal Input Output List Appendix ...
Page 283: ...6 8 6 8 Appendix Backup Data Appendix Backup Data ...
Page 284: ...6 9 6 9 Appendix Backup Data Appendix Backup Data ...