Oki OKIPAGE 10e Maintenance Manual page 218

B-1 Program ROM error (ERROR 10).
• Replace IC2 and IC3.
B-2 Resident RAM error (ERROR 30).
• Are negative pulses being put out to Pin 14 (DRASO-N) of IC4, IC5(MSM5118160D-
60JS etc)?
• Yes
• Yes
B-3 EEPROM error (ERROR 40).
• Replace IC12 (93LC66ARF E2).
• Has the problem been solved?
• No
B-4 Option RAM error (ERROR 60).
• The MENU PRINT memory capacity does not increase even when an expansion
memory board is installed.
• Are negative pulses being sent to Pin 83 (DRAS2-N), Pin 84 (DRAS3-N), Pin 85
(DRAS4-N), Pin 86 (DRAS5-N) of the connector (OPTION)?
• Yes
41266201TH Rev.1
• No Failure of 03E (MHM2029-004K).
Are negative pulses being sent to Pin 30, 31 (DCAS0-N, DCAS1-N, DCAS2-
N, DCS3-N) of IC4, IC5 (MSM5118160D-60JS etc)?
• No Failure of IC1 (MHM2029-004K).
Replace IC4, IC5(MSM5118160D-60JS etc).
• Yes End.
Failure of IC1 (MNM2029-004K).
• No Failure of IC1 (MHM2029-004K).
Failure of Option PCB. Go to flowchart E-1 , F-1 .
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