Lexmark CX310n - Page 88

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Step 2
Turn the printer off, and remove the rear cover. See “Rear cover removal”
on page 221.
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 239.
Replace the TMC card.
See “Toner meter cycle
(TMC) card removal”
on page 298.
7527
Diagnostic information
88