Oki OKIOFFICE 84 Service Manual page 407

Figure A3.2.17 High/Medium Voltages Control
1. Block diagram
The circuit diagram shown on page 12/12 consists of the IEXSEED300 (image processing LSI) of IC16 and SRAM.
Figure A3.1.16 shows the related signals of IEXSEED300.
2. Functions
IEXSEED300 is developed LSI for the image processing.
IEXSEED300 contains the following functions:
l
Contact image sensor driver
l
Send motor forward rotation/chopping control
l
Line buffer control
3. SRAM
32 KByte SRAM x 1 (RAM1)
Stores the dark/light level correction data.
Error diffusion data and image separation data are processed by IEXSEED.
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