Oki OKIPAGE 14i Service Manual page 258

1.2 System Maintenance Mode
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To enter the system maintenance mode, turn the power on while keeping the Recover key pressed down.
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This mode adopts the menu for function selection.
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The system maintenance mode provides the following functions:
(1) Page Count Display
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The total number of pages counted at the engine block is displayed on the LCD.
(2) Page Count Printing Enable/Disable
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This function allows the selection to include (enable) or exclude (disable) the total number of printed pages counted at the engine block at the time of
menu printing.
(3) Rolling ASCII Continuous Printing
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The rolling ASCII pattern is printed continuously for various engine tests.
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Press the ON LINE key to cancel this mode.
(4) Loop Test
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The loop test is for testing the serial I/F functions without connecting the printer to the host.
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The data is sent and received by loop back in the loop test.
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The loop test is performed even when another interface is being selected in Menu level-2.
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Installation of the loop connector is necessary for the loop test (refer to Appendix C, LOOP TEST (RS-232C INTERFACE)).
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The real-time loop count is displayed on the LCD.
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When an error occurs in the course of the test, the corresponding error message is displayed on the LCD.
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Press the ON LINE key to cancel this mode.
(5) EEPROM Reset
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All EEPROM areas, including Menu level-2 are set to the factory default values.
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The following items are excluded:
Service Manual for OKIPAGE 14i
Chapter D Diagnostics Test
Page: 101