I Engine Test with Formatter De-installed I Itsnot commonly known tkat impossibleto ruu the “print engine test” with the Formatter PCAremoved. S@lygain accesstothe Formatterboar~ disconnect it and remove. Locatethe print enginetestbutton, power onprinter audpress~button. Tke only case whereDiviskms advise this wiMnot work is the C3100A Coburprinter. Of course there will be no displaybut the “Trsrrdines”print of the engine test shodd be ptited. This can be usefi in the following circumstances 1, Thin vertical black line downpage, appurs in sameplace. The FormatterPCA is known to cause thisproblem. Noteposition of line, remove Formatter, run engine test, has line disappear?
2, Formatter Errors that do not allowprinting to occur. 3, Formatter; memo~SIMWs; titpulldown DCpowersupplies. Note, DCpowersupplies on later pn”nterscan “crowbar”and remain downfor 10 to 15 minutes. Location of Print Engine Test button UYID LHS (as viewed fiomthe front) very near rear ofprinter, halfway up. UIPID/IIIMIID RHS, halfway along, in lower base pan, look for plate witk testprint on it. ~IPIDIIP At rear ofprinter, lower rear cover door, look for access hole at top lefi. LJ2000 on Operators ~lay Panel @ly press button. Please note there is also a “Video Test Button” on the DC Controller PC~ top LHS.
Half Self-Test Procedure In some casesit isveryuseflto Iookto see ifthe image appears on the EPDrum To do this simply I. Initiate ase~-test 2. ~en thepaper is approximately ka~past the EP Drum power thepn”ntw down. 3. Remove Toner Cmtndge. 4. Is expected image se~-test image on EPDrum? How can tbishelp dis~ose a problem WeE it splits the ptit quality problem in two. It tellsthe CEthattheproblemis eithera ChsrgeCorons/roller LaserproblemoraTrder tirona/ rollerproblem Tskethe example of “BlankPages”. Ifthe “kalfself-test”is implemented andtke image aPPears on the EP Drum but not the paper, this diagoses as a transfer problem The “HalfSelf Test” caa help m the following instances * Blankpages.
*Fain tPtit *Bands down page *Lines down page *Bands across page (Note: timing of the power down is crucial lo see image on drum) *Pam of image missing. I I 1-12