Table of Contents TOC - 9 OKIFAX 5300/5600Service Manual, P/N 59278301Section 3: Brief Technical Description ................................................... 3 - 13.1 Fundamentals of the Electro-Photographic Process ............................................. 3 - 1Electro-photographic Process Flow ....................................................................... 3 - 33.2 Actual Electo-photographic Process (Figure 3.2.1) ............................................... 3 - 53.3 Boards and Units ................................................................................................... 3 - 6Block Diagram (Figure 3.3.2) ................................................................................ 3 - 73.4 Overall Dimension and Mechanical Structure ....................................................... 3 - 8Section 4: Disassembly ........................................................................... 4 - 14.1 General .................................................................................................................. 4 - 14.1.1 Precautions for Parts Replacement ............................................................ 4 - 14.2.2 Tools ........................................................................................................... 4 - 24.2.3 How to Disassemble and Reassemble ....................................................... 4 - 3Disassembly Procedure Flow (Figure 4.2) 1 of 2 ...................................... 4 - 4Disassembly Procedure Flow (Figure 4.2) 2 of 2 ...................................... 4 - 54.2.3.1 LED Print Head ............................................................................. 4 - 74.2.3.2 Image Drum, Covers (Rear, NCU, Main) Separation Plate, Boards(NCU, Modem) .............................................................................. 4 - 84.2.3.3 Control Panel Assembly, Paper Guide (U) Assembly. ................. 4 - 104.2.3.4 Sub-roller, ADF Roller Assembly, Pinch Roller, Contact Image Sen-sor, Document Detectors (PC1 and PC2). .................................. 4 - 124.2.3.5 Motors (Resist, Drum), Assemblies (Release Guide, Manual Guide)Stacker Cover, Fusing Unit ......................................................... 4 - 144.2.3.6 Lower Base, Motor Assembly, Back-up Roller, Transfer Roller ... 4 - 164.2.3.7 Resist Roller, Hopping Roller, Sensor Plates .............................. 4 - 184.2.3.8 MCNT Board, Power Supply Unit, Contact Assembly, Transformer,Sub-PSU ..................................................................................... 4 - 20Section 5: Adjustments ........................................................................... 5 - 15.1 Setting of LED Print Head Drive Time ................................................................... 5 - 1Setting of Technical Function No. 27 (Table 5.1.1) ................................................ 5 - 15.2 Confirmation Items ................................................................................................ 5 - 35.3 Measurement ........................................................................................................ 5 - 4Measurement Points on M17 Board (Figure 5.3.1) ............................................... 5 - 5Section 6: Cleaning and Maintenance .................................................... 6 - 16.1 Consumables Replacement .................................................................................. 6 - 1User Replaceable Items Life ................................................................................ 6 - 1Service Parts Life .................................................................................................. 6 - 1Replaceable Items Diagram (Figure 6.1.2) ........................................................... 6 - 1Others .................................................................................................................... 6 - 3Reliability Table (6.1.1.) .............................................................................. 6 - 3Preventative Maintenance (Table 6.2.2) ................................................................ 6 - 4