Canon PC400 Service Manual - Page 146
PCB. Connect the positive probe of the meter to the terminal marked + and
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CHAPTER 10 TROUBLESHOOTING (Steps) (Checks) (YES/NO) (Action) Is the power 1 plug connected to the power outlet? NO Connect the power plug. YES Are the front 2 door and the delivery cover closed firmly? NO Close the door or the cover. YES Is the specified 3 voltage present at the power outlet? NO The problem is not of the copier. Advise the user. YES Omitted. When checking the voltage using a meter , you may come across such instructions as "Measure the voltage between J109-1 (+) and J109-2 (-) on the DC controller PCB." Connect the positive probe of the meter to the terminal marked (+) and the negative probe to the terminal marked (-). 10-2 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)