Diagnostics information 2-57Black or blank page copy service checkCCD service checkFlatbed motor service checkStep Questions / actions Yes No1 Print a menu page, or a page from the host.Is the page black?See “Black page” onpage 2-48Go to step 2.2 Is the copy an ADF scan? Go to step 4. Go to step 3.3 Run a flatbed copy.Is it blank or black?Go to step 5 Go to step 44 Did the sheet feed into the ADF? Go to step 6. Go to step 5.5 Is the CCD ribbon cable properly connectedto J30 on the controller board?Go to step 6. Properly connect the ribboncable to J30.6 Check for +14VDC on Pin 3 and 4 onconnector J30. Pin 4 is +5VDC. Are thevoltages present?Replace the flatbed unit.See “Flatbed assemblyremoval” on page 4-50.Replace the controllerboard. See “Controllerboard removal” onpage 4-16.Step Questions / actions Yes No1 Restart the device, and retry the scan / copyjob. Repeat this step with a few copy jobs.Does the error return?Go to step 2. No issue.2 Is the CCD ribbon cable properly connectedto J30 on the controller board?Go to step 3. Properly connect the ribboncable to J30.3 Replace the flatbed unit. See “Flatbedremoval” on page 4-53.Did this resolve the issue?Problem resolved. Replace the controllerboard. See “Controllerboard removal” onpage 4-16.Step Questions / actions Yes No1 Ensure that the flatbed motor cable (J28) isconnected to the controller board. Is thecable connected?Go to step 2. Properly connect the cable.2 Check pin 1 in J28 for voltage. The voltageis only present when a flatbed copy job isrunning. The voltage should measure +24VAC. Is voltage present?Replace the flatbed unit.See “Flatbed removal” onpage 4-53.Replace the controllerboard. Go to “Controllerboard removal” onpage 4-16.
