Service Manual
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All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for printing, but does not view on most displays well. Copyright 1997, Okidata, Division of the Okidata Service Training Manual was built with the pictures rendered at 300 dpi, which is ideal for any updates to this material. (http://bpx.okidata.com) Service Guide OL1200 Chapter 0 About This Manual Page: 1 OL1200 LED Page Printer Adobe Acrobat printable reference copy of the OKIDATA Service Training Manual. 09/17/97 Note: This Adobe Acrobat version of OKI America, Inc.
All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for printing, but does not view on most displays well. Copyright 1997, Okidata, Division of the Okidata Service Training Manual was built with the pictures rendered at 300 dpi, which is ideal for any updates to this material. (http://bpx.okidata.com) Service Guide OL1200 Chapter 0 About This Manual Page: 1 OL1200 LED Page Printer Adobe Acrobat printable reference copy of the OKIDATA Service Training Manual. 09/17/97 Note: This Adobe Acrobat version of OKI America, Inc.
Service Manual
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All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) Service Guide OL1200 Chapter 1 Configuration Page: 2 1. CONFIGURATION 1.1 System Configuration OL1200 consists of OKI America, Inc. Copyright 1997, Okidata, Division of control and engine blocks as the standard configuration (See Figure below 1-1.) In addition, the following options are also available.
All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) Service Guide OL1200 Chapter 1 Configuration Page: 2 1. CONFIGURATION 1.1 System Configuration OL1200 consists of OKI America, Inc. Copyright 1997, Okidata, Division of control and engine blocks as the standard configuration (See Figure below 1-1.) In addition, the following options are also available.
Service Manual
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Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
Service Manual
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See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) All rights reserved. • 16MB RAM module Copyright 1997, Okidata, Division of OKI America, Inc.
See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) All rights reserved. • 16MB RAM module Copyright 1997, Okidata, Division of OKI America, Inc.
Service Manual
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See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved.
See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved.
Service Manual
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See the OKIDATA Business Partner Exchange (BPX) for any updates to the printer in the position below. All rights reserved. Service Guide OL1200 Chapter 1 Configuration Page: 6 1.5 Safety Standards 1.5.1 Certification label The safety certification label is affixed to this material. (http://bpx.okidata.com) Copyright 1997, Okidata, Division of OKI America, Inc.
See the OKIDATA Business Partner Exchange (BPX) for any updates to the printer in the position below. All rights reserved. Service Guide OL1200 Chapter 1 Configuration Page: 6 1.5 Safety Standards 1.5.1 Certification label The safety certification label is affixed to this material. (http://bpx.okidata.com) Copyright 1997, Okidata, Division of OKI America, Inc.
Service Manual
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See the OKIDATA Business Partner Exchange (BPX) for any updates to human body. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. Follow the instructions on warning labels during maintenance. Service Guide OL1200 Chapter 1 Configuration Page: 7 1.5.2 Warning label The warning label is affixed to the portion which may cause an injury to this material. (http://bpx.okidata.com)
See the OKIDATA Business Partner Exchange (BPX) for any updates to human body. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. Follow the instructions on warning labels during maintenance. Service Guide OL1200 Chapter 1 Configuration Page: 7 1.5.2 Warning label The warning label is affixed to the portion which may cause an injury to this material. (http://bpx.okidata.com)
Service Manual
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Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
Service Manual
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... interface technical manual. The conceptual diagram of the OKI HSP interface is set to ENABLE in Fig. 2-2. (For the electrical/physical characteristics of two nibbles using eight data signal leads under the semi-duplex control by Okidata) - The change to another mode from the ...Capacity: 1, 2, 4, 8, or 16MB (16 MB RAM will not be performed.) (For the electrical/physical characteristics of the interface, see APPENDIX A) (c) OKI HSP interface (Option) This interface (slot) is turned on the Control board without modifying the program at the printer side. When the power is an...
... interface technical manual. The conceptual diagram of the OKI HSP interface is set to ENABLE in Fig. 2-2. (For the electrical/physical characteristics of two nibbles using eight data signal leads under the semi-duplex control by Okidata) - The change to another mode from the ...Capacity: 1, 2, 4, 8, or 16MB (16 MB RAM will not be performed.) (For the electrical/physical characteristics of the interface, see APPENDIX A) (c) OKI HSP interface (Option) This interface (slot) is turned on the Control board without modifying the program at the printer side. When the power is an...
Service Manual
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All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) Copyright 1997, Okidata, Division of OKI America, Inc.
All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) Copyright 1997, Okidata, Division of OKI America, Inc.
Service Manual
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Toner low sensor Detects the lack of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) ON long: Toner low exists OFF short: No Toner low exists Copyright 1997, Okidata, Division of toner.
Toner low sensor Detects the lack of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) ON long: Toner low exists OFF short: No Toner low exists Copyright 1997, Okidata, Division of toner.
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See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. Service Guide OL1200 Chapter 2 Operation Description Page: 11 2.3 Relay/Driver Board (AOLC board) This board relays signals between the Control board and the Power/Sensor board and includes the registration motor and drum motor driver IC.
See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. Service Guide OL1200 Chapter 2 Operation Description Page: 11 2.3 Relay/Driver Board (AOLC board) This board relays signals between the Control board and the Power/Sensor board and includes the registration motor and drum motor driver IC.
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If the heater roller temperature rises abnormally, the thermostat of OKI America, Inc. Copyright 1997, Okidata, Division of the heater voltage supply circuit is activated to cut the AC voltage supply forcibly. AC voltage heats the heater. All rights reserved. The ... thermistor, and regulates the heater roller at a predetermined temperature (185 - 188°C) by connecting or disconnecting the AC voltage supply to this material. (http://bpx.okidata.com) See the OKIDATA Business Partner Exchange (BPX) for any updates to the heater.
If the heater roller temperature rises abnormally, the thermostat of OKI America, Inc. Copyright 1997, Okidata, Division of the heater voltage supply circuit is activated to cut the AC voltage supply forcibly. AC voltage heats the heater. All rights reserved. The ... thermistor, and regulates the heater roller at a predetermined temperature (185 - 188°C) by connecting or disconnecting the AC voltage supply to this material. (http://bpx.okidata.com) See the OKIDATA Business Partner Exchange (BPX) for any updates to the heater.
Service Manual
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See the OKIDATA Business Partner Exchange (BPX) for any updates to the paper is fused under heat and pressure. 6 Fusing The toner image transferred to this material. (http://bpx.okidata.com) All rights reserved. Figure 2-6 shows an electro-photographic process timing chart. Copyright 1997, Okidata, Division of OKI America, Inc.
See the OKIDATA Business Partner Exchange (BPX) for any updates to the paper is fused under heat and pressure. 6 Fusing The toner image transferred to this material. (http://bpx.okidata.com) All rights reserved. Figure 2-6 shows an electro-photographic process timing chart. Copyright 1997, Okidata, Division of OKI America, Inc.
Service Manual
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See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) All rights reserved. 2 After turning on the inlet sensor, the paper advances further by a predetermined length until it hits the registration roller. (The skew of the paper can thus be corrected.) Copyright 1997, Okidata, Division of OKI America, Inc.
See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) All rights reserved. 2 After turning on the inlet sensor, the paper advances further by a predetermined length until it hits the registration roller. (The skew of the paper can thus be corrected.) Copyright 1997, Okidata, Division of OKI America, Inc.
Service Manual
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All rights reserved. Service Guide OL1200 Chapter 2 Operation Description Page: 15 (2) Feeding After the end of the registration roller. The registration roller advances the paper until it comes out of hopping, the pulse motor drives the registration roller. When leading edge of OKI America, Inc. See the OKIDATA Business Partner Exchange (BPX) for any updates to turn on, the printing is started synchronously. Copyright 1997, Okidata, Division of the paper causes the paper sensor to this material. (http://bpx.okidata.com)
All rights reserved. Service Guide OL1200 Chapter 2 Operation Description Page: 15 (2) Feeding After the end of the registration roller. The registration roller advances the paper until it comes out of hopping, the pulse motor drives the registration roller. When leading edge of OKI America, Inc. See the OKIDATA Business Partner Exchange (BPX) for any updates to turn on, the printing is started synchronously. Copyright 1997, Okidata, Division of the paper causes the paper sensor to this material. (http://bpx.okidata.com)
Service Manual
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All rights reserved. Copyright 1997, Okidata, Division of OKI America, Inc. See the OKIDATA Business Partner Exchange (BPX) for any updates to the charge roller that is effected by applying a DC minus voltage to this material. (http://bpx.okidata.com) Service Guide OL1200 Chapter 2 Operation Description Page: 16 (3) Charging Charging is in contact with the image drum surface.
All rights reserved. Copyright 1997, Okidata, Division of OKI America, Inc. See the OKIDATA Business Partner Exchange (BPX) for any updates to the charge roller that is effected by applying a DC minus voltage to this material. (http://bpx.okidata.com) Service Guide OL1200 Chapter 2 Operation Description Page: 16 (3) Charging Charging is in contact with the image drum surface.
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The surface potential of the irradiated part of OKI America, Inc. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) All rights reserved. Service Guide OL1200 Chapter 2 Operation Description Page: 17 (4) Exposure Light emitted from the LED head irradiates the image drum surface with the image signal. Copyright 1997, Okidata, Division of the image drum drops, thereby forming an electrostatic latent image associated with negative charges.
The surface potential of the irradiated part of OKI America, Inc. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) All rights reserved. Service Guide OL1200 Chapter 2 Operation Description Page: 17 (4) Exposure Light emitted from the LED head irradiates the image drum surface with the image signal. Copyright 1997, Okidata, Division of the image drum drops, thereby forming an electrostatic latent image associated with negative charges.
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... part) of toner on the developing roller surface. 3. Developing takes place at the contact between the image drum and the developing roller. 1. Service Guide OL1200 Chapter 2 Operation Description Page: 18 (5) Developing Toner is attracted to the electrostatic latent image on the developing roller, a friction charge is generated between the...attracted to the developing roller. (The developing roller surface is charged positive and the toner, negative.) 2. The toner attracted to this material. (http://bpx.okidata.com) Copyright 1997, Okidata, Division of OKI America, Inc.
... part) of toner on the developing roller surface. 3. Developing takes place at the contact between the image drum and the developing roller. 1. Service Guide OL1200 Chapter 2 Operation Description Page: 18 (5) Developing Toner is attracted to the electrostatic latent image on the developing roller, a friction charge is generated between the...attracted to the developing roller. (The developing roller surface is charged positive and the toner, negative.) 2. The toner attracted to this material. (http://bpx.okidata.com) Copyright 1997, Okidata, Division of OKI America, Inc.
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... contact between the transfer roller and the paper. Copyright 1997, Okidata, Division of OKI America, Inc. The application of a high positive voltage from its reverse side. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) Service Guide OL1200 Chapter 2 Operation Description Page: 19 (6) Transfer The transfer roller...
... contact between the transfer roller and the paper. Copyright 1997, Okidata, Division of OKI America, Inc. The application of a high positive voltage from its reverse side. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) Service Guide OL1200 Chapter 2 Operation Description Page: 19 (6) Transfer The transfer roller...