Oki MB280 Service Manual

Also see for MB280: User guide Quick start guide

Oki MB280 Service Manual Manual pdf 2 page image

PRINTER 3000 304 995 - 01iPRINTER MODEL-L1G191SERVICE MANUALTECHNICAL DOCUMENTiTABLE OF CONTENTS1. DETAILED SECTION DESCRIPTIONS ....................................... 1-11.1 COMPONENT LAYOUT .......................................................................... 1-11.1.1 MECHANICAL COMPONENTS ...................................................... 1-11.2 PRINTING ............................................................................................... 1-21.2.1 PRINTING PROCESSES AROUND THE DRUM............................ 1-21.2.2 CHARGE ........................................................................................ 1-31.2.3 LASER EXPOSURE ....................................................................... 1-4Overview............................................................................................. 1-4Block Diagram .................................................................................... 1-5Error Conditions.................................................................................. 1-51.2.4 DEVELOPMENT............................................................................. 1-6Overview............................................................................................. 1-6Toner End Detection ........................................................................... 1-81.2.5 TRANSFER AND SEPARATION .................................................... 1-9Overview............................................................................................. 1-9Cleaning Mode.................................................................................... 1-91.2.6 DRUM CLEANING........................................................................ 1-101.2.7 PAPER FEED AND REGISTRATION ........................................... 1-11Overview........................................................................................... 1-11Paper Feed Drive Mechanism........................................................... 1-12Paper Feed Operation ...................................................................... 1-13Registration ...................................................................................... 1-14Paper End Detection......................................................................... 1-15Jam Detection................................................................................... 1-161.2.8 FUSING........................................................................................ 1-17Overview........................................................................................... 1-17Power Save Control .......................................................................... 1-181.2.9 COVER SWITCH.......................................................................... 1-191.2.10 PAPER FEED DRIVE RELEASE AND FUSINGDRIVE RELEASE .................................................................... 1-202. REPLACEMENT AND ADJUSTMENT ........................................ 2-12.1 PAPER CASSETTE ................................................................................ 2-22.1.1 PAPER CASSETTE........................................................................ 2-2Side Fence ......................................................................................... 2-2Bottom Plate ....................................................................................... 2-3Friction Pad ........................................................................................ 2-32.2 LASER UNIT ........................................................................................... 2-42.3 FUSING AREA ........................................................................................ 2-62.3.1 FUSING UNIT................................................................................. 2-62.3.2 PAPER EXIT ASSEMBLY .............................................................. 2-72.3.3 FUSING LAMP AND HOT ROLLER ............................................... 2-8Fusing Lamp....................................................................................... 2-8Hot Roller............................................................................................ 2-92.3.4 PRESSURE ROLLER................................................................... 2-10