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Chapter 0
Front Cover
OKI OL600/610ex (96-01-18
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Trademark Information HP and LaserJet are registered trademarks of Hewlett-Packard Company. Adobe and PostScript are trademarks o OKI OL600/610ex (96-01-18
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Chapter 1 %1.1 System Configuration 1.1 System Configuration OL600e, OL610e and OL610e/PS consist of control and engine blocks in the standard configu-ration, as shown in In addition, the options marked with an asterisk (*) are available. Figure 1-1
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%1.2 Printer Configuration 1.2 Printer Configuration The printer unit consists of the following hardware components: • Electrophotographic Processor • Paper Feeder • Main Control PCB • Operator Panel (OL610e/PS) • Power Supply Unit • PS Board (OL610e/PS) The printer unit configuration is shown in Figure 1-2. Figure 1-2
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%1.3 Optional Configuration 1.3 Optional Configuration The options shown below are available for use with OL600e, OL610e and OL610e/PS. These are available separately from the printer unit. (1) 1MB Memory Expansion Board (OL600e/610e) (2) SIMM (Single In-line Memory Module) (3) Legal/Universal Paper Cassette (4) High Capacity Second Paper Feeder OKI OL
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(5) Multi-Purpose Feeder OKI OL600/610ex (96-01-18
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%1.4 Specification 1.4 Specification (1) Type Desktop (2) External dimensions Height 6.3" (160 mm) Width 12.6" (320 mm) Depth 14.17" (360 mm) (3) Weight 8 kg (4) Developing method Dry electrophotography Exposing method LED stationary head (5) Paper used Type • Standard paper e.g. Xerox 4200 (20 lbs) • Application paper (manual face-up feed) Label En
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%1.5 Safety Standards - 1.5.1 Certification Label 1.5 Safety Standards 1.5.1 Certification Label The safety certification label is affixed to the printer at the location shown below. OKI OL600/610ex (96-01-18
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%1.5.2 Warning Labels 1.5.2 Warning Labels The warning labels are affixed to the sections that may cause bodily injury. Follow the instructions on warning labels during maintenance. OKI OL600/610ex (96-01-18
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%1.5.3 Warning/Caution Markings 1.5.3 Warning/Caution Markings The following warning and caution markings appear on the power supply board. ENGLISH Heatsink and transformer core present risk of electric shock. Test before touching. FRENCH Le dissipateur thermique et le noyau du transformateur présentent des risques de choc électrique. Testez avant de,
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Chapter 2 %Operation Description 2. OPERATION DESCRIPTION The OL600e, OL610e and OL610e/PS consist of a Main Control PCB, a PostScript board (OL610e/PS), a power s The control board and the PostScript board receive data via the host I/F;these then decode, edit and store the dat a The data is printed on the paper by means of the electrophotographic proce
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Figure 2-1 OL600e Block Diagram OKI OL600/610ex (96-01-18
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Figure 2-2 OL610e Block Diagram Figure 2-2 OL610e Block Diagram OKI OL600/610ex (96-01-18
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Figure 2-3 OL610e/PS Block Diagram Figure 2-3 OL610e/PS Block Diagram OKI OL600/610ex (96-01-18
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%2.1 Control Board 2.1 Control Board The control board consists of a single chip CPU, Program & Font ROMsone DRAM for the OL600e, two DRAMs for the OL610ean EEPROM, a host interface circuit, and a mechanism driving circuit. (1) Single chip CPU The single chip CPU is a custom CPU (32-bit internal bus, 16-bit external bus, 25.54 MHz clock with input fre
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%2.2 PS Board (OL610e/PS) 2.2 PS Board (OL610e/PS) The PS board consists of two Program & Font ROM's, DRAM's, an EEPROM, and a host interface circuit. (1) Program & Font ROM's The Program & Font ROMs store the PostScript Level II program and its fonts. Mask ROM is used for the Program & Font ROMs. (2) DRAM 0.5MB of DRAM's reside on the PS board. (3) E
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%2.3 Power Supply Board 2.3 Power Supply Board The power supply board consists of an AC filter circuit, a low voltage power supply circuit, a high voltage power supply circuit, heater drive circuit, and photosensors. (1) Low Voltage Power Supply Circuit This circuit generates the following voltages. Output voltage Use +5 V Logic circuit supply voltage
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Figure 2.5 Sensor Function Sensing state Inlet sensor 1 Detects the leading edge of the paper and gives ON: Paper exists. the supervision timing for switching from OFF: No paper exists. hopping operation to feeding operation. Monitors paper feeding situation and paper size based on the paper arrival time and running time. Intel sensor 2 Detects the form width. ON: A4 or larger OFF: Smaller than A4 Paper sensor Detects the leading portion of the paper. ON: Paper exists. Monitors the paper fe
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?%2.4 Electrophotographic Process - 2.4.1 Electrophotographic Process Mechanism 2.4 Electrophotographic Process 2.4.1 Electrophotographic Process Mechanism This mechanism uses the electrophotographic process to print image data supplied by the control board. The layout of the electrophotographic process mechanism is shown in Figure 2-6. Figure 2-6 (1)
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%2.4.2 Electrophotographic Process 2.4.2 Electrophotographic Process The electrophotographic processing is outlined below. Figure 2-7 shows the electrophotographic printing process. 1 Charging The surface of the image drum is given a uniform negative charge by applying the negative voltage to the charge roller. 2 Exposure Light emitted from the LED he
