Xerox DOCUPRINT N17 Service Manual

Also see for DocuPrint N17: Options guide User guide Supplementary guide Function guide

Contents

Xerox DOCUPRINT N17 Service Manual Manual pdf 341 page image

6/98Xerox DocuPrint N17 Service Manual 7-91 Repair Analysis Procedures (RAPs)7.5.5 Black PrintsInitial Actions• Ensure that print density (seeSection 5.2.3 Diagnostic Mode 3 for more information) is set todefault (3).• Generate the System Controller Test Print,Section 5.1.4.13 Print Menu, and Print EngineController Test Print,5.2.2 Diagnostic Mode 2.• If both prints are completely black, replace the EP Cartridge.• If any image is visible on the prints, go toRAP 7.5.18 Background.Procedure1 Only the System Controller Test Print is black.Y: Check the seating of the System Controller. If OK replace the System Controller.N: Go to step 2.2 Cover the Laser Assembly window (laser beam outlet) using a piece of paper, and generate atest print. The entire print is still black.Y:Go to RAP 7.4.24 HVPS Failure.N: Go to step 3.3 Cover half of the Laser Assembly window (laser beam outlet) using a piece of paper, andgenerate a test print. The print is black only in the area not covered with the paper.Y:Go to RAP 7.3.2 “Laser Fail - Power Off/On” Message (U2).N: Go to step 4.4 The HVPS has faulty output. Refer toREP 5.2.1.21 HVPS (Charge Roll DC) Operation andperform diagnostic.Y: Go toRAP 7.4.24 HVPS Failure.N: Install a new EP Cartridge.DefinitionThe entire print is black.Sample Imagewww.printcopy.infowww.printcopy.info