I. STANDARDS AND ADJUSTMENTSA. Electrical System• Without the Reader Unit Installed (with the printer board installed)1) Connect the power plug to the power outlet; and while holding on the “Menu key,Enter/Online key, and Cancel key” on the control panel at the same time until ”StartSELF-TEST” displays. The panel displays will show “Display” to indicate that servicemode has started after the printer unit checks itself.2) Using the Menu key on the control panel, select “READ MEMORY”.3) Press the ENTER key to select “READ FROM DCON”.4) Using the or key, select ‘YES’.5) Press the ENTER key to execute.6) See that “READ FROM DCON EXECUTING>” is indicated.7) Turn off the printer unit power switch and disconnect the power plug.8) Perform the steps under VIII.C.4 “Removing the DC Controller PCB” in Chapter 4 toremove the DC controller PCB and mount the new DC controller PCB.9) Put back the parts that have been removed. (However, it is better not to mount therear cover of the printer unit until after checking to see that copier operates normal-ly.)10)Connect the power plug to the power outlet; and enter the service mode once agein.11)Using the Menu key on the control panel, select “WRITE MEMORY”.12)Press the ENTER key to select “WRITE TO DCON”.13)Using the or key, select ‘YES’.14)Press the ENTER key to execute.15)See that “WRITE TO DCON EXECUTING>” is indicated.16)End.Reference:For details of “READ MEMORY” and “WRITE MEMROY,” see p. 10-88 and p. 10-92.COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 10 TROUBLESHOOTING10-11 When Replacing the DC Controller PCBDownload free service manual at http://printer1.blogspot.com
