Canon IR 4025 Duplex printing Issue

[raveendrala]

Hello

I got Canon IR 4025 machine with paper jam at Duplex unit , .Please check attachment.

Changed Side door,Connector , Harness wire side door to Engine controller And Engine controller PCB




Any help would be great.
Thank you​

[Phil B.]

Hello I got Canon IR 4025 machine with paper jam at Duplex unit , .Please check attachment. Changed Side door,Connector , Harness wire side door to Engine controller And Engine controller PCB Any help would be great. Thank you​

Have you checked door/duplex assm for burrs.. obstructions .. gears.. rollers.. sticking.. moving rough?

why throw all those parts it until you knew WHAT was causing it?
or have you NOT laid out everything you have tried?

[zoraldinho]

Jam code?
Are you a tech or user?

[raveendrala]

Jam code?
Are you a tech or user?

Please check attachment


thank you

[raveendrala]

I do not know how to talk with you, if you do not tell are you technician or user!?

I" m tech and new to Canon

[raveendrala]

Have you checked door/duplex assm for burrs.. obstructions .. gears.. rollers.. sticking.. moving rough?

why throw all those parts it until you knew WHAT was causing it?
or have you NOT laid out everything you have tried?

I have one machine for parts , I check parts one by one below order
Replace duplex assm
Duplex clutch
Harness wire side door to Engine controller
Engine controller PCB

Thank you

[zoraldinho]

You switch complete door and still jaming? Hmm....Two bad doors? Probably humidified paper.

How often is jammed? Each print?

Try with turned paper Leter-R or A4 R. If worked change paper and set new values.


Set fixing control temp table: curled paperService Mode > (LEVEL 2) > COPIER > OPTION > IMG-FIX > TMP-TBLC> Select "2" (N1 mode with plain paper 1/2 (target temperature becomes low.)) or "3" (N3 mode with plainpaper 1/2 (target temperature becomes moreover low.)).


Set fixing control temp table: Thin (To use for thin paper setting)Service Mode > (LEVEL 1) > COPIER > OPTION > IMG-FIX > TMP-TBL5> Select "1" (S-thin paper mode (target temperature becomes low.)) or "2" (SS-thin paper mode (targettemperature becomes moreover low and lower the value of bias at the leading edge of the paper.)).


Inspect duplex solenoid,clean and inspect duplex flag sensor,worn flags,broken flappers....