Sharp AR-P13 Service Manual page 118

• LED indication after Start up
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PCI Command Status
The LED blinks in 1 second intervals when the status polling is under way in the idle state.
The LED rapidly flashes when transmitting data to the copier.
PCI Command DMA
The LED lights when transmitting the parameters of the commands.
PCI Image DMA
The LED lights when transmitting image data.
Receiving print data
The LED lights when receiving the network, parallel, test printing, ROM update data.
The above four status indications may be displayed at the same time. (i.e. four status indication LEDs may light or flash.)
• LED indication during the Diagnostic Test
Under Diagnostic Test
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When any failure is found: Flash rapidly
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: Printer ASIC Error
: SDRAM ERROR(Data 0-31)
: SDRAM ERROR(Data 32-63)
: PCI DIAG. ERROR
: EEPROM INIT. ERROR
: PCI I/F CONT. ERROR
: RECTOR ERROR
: PROGRAM ROM SIMM CHECKSUM ERROR
: DIMM ERROR
: EEPROM ERROR
: IEEE1284 ERROR
: Print Server Card ERROR
: Other ERROR
When terminating the test: All status LEDs flash alternately.
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: Light ON : Light OFF
: Light ON : Light OFF
: Flashing
: Flashing
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