OKI 12i free download

File name Okipage12i(SERVICE).pdf

Service Guide OKIPAGE 12i Chapter 0 Introduction Front Cover OKIPAGE 12i // 12in When it comes to office productivity and efficiency, the OKIPAGE® 12i Series provides tough, fast, reliable printing for power users and small workgroups. Adobe Acrobat printable reference copy of the OKIDATA Service Training Manual. 05/13/98 Note: This Adobe Acrobat version of the Okidata Service Training Manual was built with the pictures rendered at 300 dpi, which is ideal for printing, but does not display well on most displays. Table of Contents Page Service Guide OKIPAGE 12i 0 Introduction Introduction 1 Configuration 1.1 System Configuration 1.2 Printer Configuration 1.3 Optional Configuration 1.4 Specification 1.5 Safety Standards ...1.5.1 Certification Label ...1.5.2 Warning Label ...1.5.3 Warning/Caution Marking 2 Operation Description Operation Description 2.1 Main Control Board 2.2 Power Supply/Sensor Board 2.3 Electrophotographic Process ...2.3.1 Electrophotographic Process Mechanism ...2.3.2 Electrophotographic Process ...2.3.3 Process Operation Descriptions ...2.3.4 Revision of LED Head Illumination 2.4 Paper Jam Detection 2.5 Cover Open 2.6 Toner Low Detection 3 Parts Replacement 3.1 Precautions for Parts Replacement 3.2 Parts Layout - [Lower base unit] ...[Upper cover unit] ...[Base unit] 3.3 How to Change Parts ...3.3.1 Upper Cover Assy ...3.3.2 LED Head ...3.3.3 Operator Panel Assy ...3.3.4 Lower Base Unit ...3.3.5 Pulse Motor Main/Drum ...3.3.6 Pulse Motor (Registration) ...3.3.7 Face Up Stacker Assy ...3.3.8 Eject Roller Assy ...3.3.9 Motor Assy ...3.3.10 Hopping Roller Shaft Assy ...3.3.11 Stacker Cover Assy ...3.3.12 Registration Roller ...3.3.13 Roller Transfer Assy ...3.3.14 Fusing Unit ...3.3.15 Back-up Roller ...3.3.16 Sensor Plate (Inlet) ...3.3.17 Sensor Plate (Outlet) ...3.3.18 Manual Feed Guide Assy ...3.3.19 Sensor Plate (Paper Supply) ...3.3.20 Main Control Board M5E-PCB 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Table of Contents Page ...3.3.21 Transformer ...3.3.22 Power Supply/Sensor Board and Contact Assy ...3.3.23 Cassette Guide L Assy ...3.3.24 Cassette Guide R Assy ...3.3.25 Spacer Bearing (L/R) 4 Adjustment 4. Adjustment 4.1 Maintenance Modes and Functions ...4.1.1 User Maintenance Mode ...4.1.2 System Maintenance Mode ...4.1.3 Engine Maintenance Mode ...4.1.4 EEPROM Initialization 4.2 Adjustment When Replacing a Part ...4.2.1 Setting of LED Head Drive Time ...4.2.2 Uploading/Downloading EEPROM data 5 Periodical Maintenance 5.1 Periodical Replacement Parts 5.2 Cleaning ...5.2.1 Cleaning of LED Lens Array ...5.2.2 Cleaning Page Function 6 Troubleshooting Procedures 6.1 Troubleshooting Tips 6.2 Points to Check before Correcting Image Problems 6.3 Tips for Correcting Image Problems 6.4 Preparation for Troubleshooting 6.5 Troubleshooting Flow ...6.5.1 LCD Status Message/Problem List ...6.5