C4802 (bizhub C554/C454)

Contents

Trouble type	Main unit backup data miscompare
Trouble code	C4802
Rank	C
Detection timing	The replacement of the printer control board is detected.
Trouble isolation	–
Relevant electrical parts	Printer control board (PRCB)

(2)Procedure

Step	Action	Control signal	Location of electrical components
1	1. Disconnect the finisher or job separator. 2. Call the Enhanced Security in Service mode to the screen. 3. Touch [Engine Data Backup]. 4. Touch [Engine Data Reflect mode], and press the Start key. 5. Select [Yes], and press the Start key again. 6. Check that the result OK appears. 7. Turn OFF the main power switch and turn it ON again more than 10 seconds after.	–	–
2	Update the PRCB firmware.	–	–
3	If the above actions do not solve the problem, contact Konica Minolta Technical Support	–	–

• Link to the layout drawings for related parts by each trouble code (S.1. C0002, C4802, C5601, CC153, CEEE3)

K3.9.4 (Link to the Field Service Manual)