C0210 (C4751i)

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ByEric Ditges
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Contents

Trouble typeC0210: LCT lift failure (When PC-419 or PC-420 is installed)
RankB
Trouble detection conditionThe LCT upper limit sensor (PS2) is not turned ON (blocked) even after the set period of time has elapsed after the paper lift-up operation began.The LCT upper limit sensor (PS2) is not turned ON (blocked) even after the set period of time has elapsed after the paper lift-up operating.The LCT upper limit sensor (PS2) is not turned ON (unblocked) even after the set period of time has elapsed after the paper lift-down operation began.
Trouble isolationLCT
Relevant electrical partsLCT lift-up motor (M2)LCT upper limit sensor (PS2)PC control board (PCCB)CPU board (CPUB)Base board (BASEB)

Procedure

  1. Remove the tray and check to see if a piece of paper is not left inside the machine.
  2. Check the connector between M2-PCCB CN4 for proper connection and correct as necessary.
  3. Check the connector of M2 for proper drive coupling and correct as necessary.
  4. Check the connector between PS2-relay CN11PC-PCCB CN3 for proper connection and correct as necessary.
  5. Check the connector between PCCB CN1-relay CN24-BASEB CN21E for proper connection and correct as necessary.
  6. Check CPUB for proper installation and correct as necessary.
  7. PS2 I/O check, sensor check
    • Control signal: PCCB CN3-9 (ON)
    • Location of electrical component: 24-X
  8. M2 load check
    • Control signal: PCCB CN4-8 to 9
    • Location of electrical component: 24-P
  9. Replace M2.
  10. Replace PCCB.
  11. Replace CPUB.
  12. Replace BASEB.

(Link to the Field Service Manual)