Phaser 6180MFP Multifunction Printer Service Manual 4-87General TroubleshootingFax TroubleshootingLocating a fault could be problematic because a Fax is composed of multipleblocks.Fault OccursFirst, try using the copy function. If the copy function’s printing results arecorrect, the probability of a fault in the Fax itself is low. The fault is likely in thetelephone line or receiving Fax. If the fault is in the telephone line, first retrysending the data. If there is no improvement, contact the telephone company.If the copy function’s printing results are incorrect, it can be determined if thefault is in the scanner or printer by operating each unit separately via acomputer.Transmission Fault1. Problem with printing quality at receiving Fax, such as corrupt image,lines in image, or top/bottom cut off.a. If a copy is normal.Cause: Degraded telephone line connection is caused by noise, etc., or afault in receiving Fax’s printer.Corrective Action: Determine whether fault is in the telephone or atreceiving Fax by trying copy function at receiving Fax.NoteIf the telephone line degraded, white horizontal lines, missing rows, and/or cut-off top/bottom may occur.Branch connections or incoming call (call waiting) may also caused imagecorruption.b. If copy function is faulty.Cause: Dirt or fault in scanner.Corrective Action: Clean the document glass or repair the scanner. Ifthe original is being sent from the ADF, try making a copy with the originalplaced on the document glass. If this resolves the problem, the fault is inthe ADF.2. Cannot dial.Cause: No connection. Incorrect setup of dial type and/or line type.Corrective Action: Reconnect the telephone line. Reset the dial typeand/or line type to correct the settings.NoteIf the telephone line condition is degraded, white horizontal lines, missingrows, and/or cut-off top/bottom may occur.Branch connections or incoming call (call waiting) may also cause imagecorruption.