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Service Guide OL600e/610e/610ePS
Chapter 2 Operation Description
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) EEPROM
4,096 bit-Electrically Erasable PROM (EEPROM) is mounted on the PS board for storing the PostScript's
menu settings.
(4) LocalTalk I/F
AppleTalk protocol data is received from the host system via LocalTalk interface. The block diagram is
shown in Figure 2-4.
Figure 2-4 PS Board Block Diagram
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Summary of Contents for OL600e
Page 7: ...Table of Contents Page Wrong Part Number Bill Healey OKI_ELECTRIC US 02 22 96 149 ...
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Page 25: ...Figure 2 2 OL610e Block Diagram ...
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Page 28: ...Figure 2 3 OL610e PS Block Diagram ...
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Page 167: ...Page 103 Service Guide OL600e 610e 610ePS Chapter 7 Wiring Diagrams 7 3 Resistance Check ...