Canon MultiPASS C635 User Manual - Page 177

Problem Images on faxes received from the MultiPASS are spotted or dirty Cause The receiving fax machine may not be working properly. The document may not be properly inserted in the ADF. Solution Check the MultiPASS by making a copy. If the copy is clear, the problem may be in the receiving fax machine. Remove the document and feed it correctly into the ADF (see page 1-14). Cannot send or receive using Error Correction Mode (ECM) The other party's fax may not support ECM. Some fax units do not support ECM transmission. If the other party's fax does not support ECM transmission, then the document is sent in the normal mode without error checking. Errors occur frequently while sending or receiving The phone line may be in poor condition, or you may have a poor connection. The sending fax machine may not be functioning properly. Lower the transmission speed (see pages 3-5 and 3-9). The sending fax machine usually determines the fax's quality. Call the sender and have them make sure the top cover and scanning glass on their fax machine are clean. Cannot receive a fax automatically The MultiPASS may not be set to receive automatically. The MultiPASS may have a document stored in memory. An error may have occurred during reception. The sheet feeder may be empty. The telephone line may not be connected properly. The MultiPASS is printing a document. To receive faxes automatically, the Receive mode must be Fax Only or Fax/Tel mode. Print out any document stored in memory (see page 5-5). Check the LCD for an error message (see page 8-10). Make sure paper is loaded in the sheet feeder. Make sure all phone line connections are secure. The incoming fax is stored in memory and will print when the print job is complete. 8-24 Troubleshooting Chapter 8