Lexmark CS310 - Page 92

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Step 2
Turn the printer off, and remove the rear cover. See
“Rear cover removal”
on page 290.
Turn the printer on, and measure the values below at JCTM1 during POR:
Pin 1: +5 V dc
Pin 2: +3.3 V dc
Pin 3: +3.3 V dc
Pin 4: +3.3 V dc
Pin 5: +3.3 V dc
Pin 6: Ground
Are any of the values incorrect?
Replace the controller
board.
“Controller
board removal” on
page 291.
Replace the TMC card.
See
“Toner meter cycle
(TMC) card removal”
on page 234.
5027
Diagnostic information
92