P-14 (bizhub C750i)

Posted
ByAdministrator Administrator
You are here:

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.

Contents

Malfunction typeSkew correction trouble
Malfunction codeP-14
Malfunction detection timing-The difference between the skew default position setting value and the cumulative amount of skew adjustment values goes over the predetermined value.

-HP signals for the skew correction motor is detected the predetermined number of times during the skew correction.
Relevant parts-IDC sensor/Fr (IDCS/Fr)
-IDC sensor/Rr (IDCS/Rr)
-Drum unit/Y,M,C,K
-Expansion control board (EXCB)
-CPU board (CPUB)
-Base board (BASEB)
-PH unit

Procedure

  1. Check the drive transmission portion of the drum unit and correct as necessary.
  2. Clean the contact of the drum unit connector if dirty.
  3. Reinstall or reconnect IDCS/Fr, connectors connecting between IDCS/Fr-relay CN77-BASEB CN15E, if any of the foregoing parts is installed or connected improperly.
  4. Reinstall or reconnect IDCS/Rr, connectors connecting between IDCS/Rr-relay CN77-BASEB CN15E, if any of the foregoing parts is installed or connected improperly.
  5. Clean IDCS/Fr or IDCS/Rr if it is dirty.
  6. Check the connector between the PH unit-relay CN300-EXCB CN7EX for proper connection and correct as necessary.
  7. Check the connectors of the EXCB for proper connection and correct as necessary.
  8. Check the connectors on BASEB for proper connection and correct as necessary.
  9. Replace IDCS/Fr or IDCS/Rr. (Part# A161M50300)
  10. Replace the drum unit. (CMY ACV80TE / K Part# ACV80RE)
  11. Replace the PH unit. (Part# ACKNR70100)
  12. Replace EXCB. (Part# AA7NH00500)
  13. Replace CPUB. (Part# ACKNH02P03)
  14. Replace BASEB. (Part# ACKNH02101)

NOTE

  • After the PH unit is replaced, reset the skew default position for each color in [Service Mode] -> [Machine] -> [Print Head Skew Adj.] -> [Print Head Skew Adj.]
  • When this alert code is displayed, according to the list, take actions to address the problem. After the problem is resolved, select [Service Mode] -> [Machine] -> [Print Head Skew Adj.] -> [Print Head Skew Reset] and perform the skew adjustment reset.

(Link to the Field Service Manual)