4-88 Phaser 6180MFP Multifunction Printer Service ManualGeneral TroubleshootingReception Fault1. Cannot Receive.a. Answering mode is incorrect.Cause: The answering mode is set to “TEL Mode” in the Fax Settings:System --> Admin Menu --> Fax Settings --> Ans Select.Corrective Action: Change the answering mode from TEL Mode to othermode (i.e., FAX Mode, TEL/FAX Mode, Ans/FAX Mode, DRPD Mode...).b. Fax memory is full.Cause: An attempt was made to send document data in excess of theavailable memory capacity.Corrective Action: On the receiving side, wait until the current fax job isprinted completely.c. The printer displays some fault messages.Cause: A fault occurred in the printer.Corrective Action: Refer to the appropriate fault error procedures toresolve the problem.d. Distinctive ring pattern detection fails.Cause: The distinctive ring pattern set for the DRPD mode is incorrect(applicable only in USA and Canada).Corrective Action: Check the ring pattern provided by the telephoneservice provider, and select the correct pattern for fax.e. Cannot detect Calling Tone (CNG) signal.Cause: Communication fails in TEL/FAX mode or Ans/FAX mode.Corrective Action: Ground the printer properly.f. Cannot detect off-hook.Cause: Communication fails in TEL/FAX mode or Ans/FAX mode.Corrective Action: Set Extel Hook Thresh to Higher: System -->Admin Menu --> Fax Settings --> Extel Hook Thresh.A detection of an off-hook can be checked by the change of the paneldisplay upon the off-hook of an external telephone.2. Problem with printing quality, such as corrupted image, lines in image, ortop/bottom cut off.a. If copy function is normal.Cause: Degraded telephone line connection is caused by noise, etc., or afault is sending Fax’s scanner.Corrective Action: Determine whether fault is in the telephone line or atsending Fax by trying the copy function at sending Fax.NoteIf the telephone line condition is degraded, white horizontal lines, missingrows, and/or cut-off top/bottom may occur.Branch connections or an incoming call (Call Waiting) may also causeimage corruption.b. If copy function is faulty.Cause: Dirt or fault in printer.Corrective Action: Clean all parts of the printer or repair the printer.
