C2204 (bizhub 750i)

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Contents

Trouble type	C2204: Waste toner transport motor failure to turn
Rank	B
Trouble detection condition	The turning detection sensor detects failure to turn for a predetermined number of times while the motor is turning.
Trouble isolation	–
Relevant electrical parts	-Waste toner transport motor (M20) -Waste toner box drive detection sensor (PS100) -Expansion control board (EXCB) -CPU board (CPUB) -Base board (BASEB)

Procedure

1. Clean the PS100 if it has toner or paper dust, etc.
2. Replacing the waste toner box.
3. Check the connector between M20-relay CN92-EXCB CN10EX for proper connection and correct as necessary.
4. Check the connector of M20 for proper drive coupling and correct as necessary.
5. Check the connector between PS100-EXCB CN8EX for proper connection and correct as necessary.
6. Check the connector between EXCB CN2EX-BASEB CN12E for proper connection and correct as necessary.
7. Check CPUB for proper installation and correct as necessary.
8. PS100 I/O check, sensor check
   • Control signal: EXCB CN8EX-6 (ON)
   • Location of electrical component: 20-X
9. M20 load check
   • Check code: 44
   • Multi code: 1
   • Control signal: EXCB CN10EX-12 to 15
   • Location of electrical component: 22-P
10. Replace M20. (Part# A7PUM10600)
11. Replace EXCB. (Part# AC74H00501)
12. Replace CPUB. (Part# ACV7H02P02)
13. Replace BASEB. (Part# ACV7H02101)

(Link to the Field Service Manual)