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Diagnostic Information 2-59
4085-001
Operator Panel (LCD) Display Service Check
Note: Be sure the operator cable is properly installed at the engine board
(J4) and at the operator panel. Check the continuity of the cable and replace
if necessary.
• Operator panel display blank - printer indicator light Off, paper
feed motor turns, carrier moves.
• Operator panel display blank - printer indicator light On.
Options Service Check
DRAM Memory Option(s)
This service check is the same as the flash memory option service
check. Run the “DRAM Memory Test” on page 3-23 . If the test fails,
replace the RIP card. See the “RIP-EMC Shield Assembly/RIP Card
Removal” on page 4-24 .
FRU Action
1 Engine Board Disconnect connector (J4) from the engine board
and verify the voltage at approximately +9 V dc at
pins 1, 2, 3 and 5. If the voltage is correct, replace
the operator panel. If incorrect, replace the engine
board.
2 LCD To check LCD, see “LCD Hardware Test” on
page 3-22 .