2-39Phaser 3635MFP 20-100 to 20-900Status Indicator RAPsDraft 420-100 to 20-900 Fax Faults RAPThese are the faults displayed when the machine encounters fax problems. The faults arelisted in code order, together with any recommended actions. Please note that the serviceactions are limited. If the machine has a fax fault without displaying a fault code, go to the 20AFax Faults Without a Code RAP.ProcedureWARNINGSwitch off the electricity to the machine. Disconnect the power cord from the customersupply while performing tasks that do not need electricity. Electricity can cause death orinjury. Moving parts can cause injury.If necessary, print the embedded fax protocol report, refer to dC109.Refer to Wiring Diagram 7. Go to the relevant fault code and perform any service actions. If thefault is still present, perform Final Actions.20-100 Communication ErrorA communication failure has occurred with either the fax transmission or reception. Resend thefax.20-110 Mailbox ErrorThe machine is not available for mailbox communication. Go to GP 4 System AdministrationTools. Check that the mailbox ID and password are correct.20-120 Scanning ErrorWhile sending a fax using manual dial, a scanning error has occurred. Clear any jams. Switchoff the machine, then switch on the machine. Resend the fax. If the fault persists, check thescanner, refer to the 14-100 CCD Lock RAP.20-200 Group Not AvailableThe user has selected a group location where only a single location can be used, or when thegroup location is unavailable. Try again, checking for the correct group location.20-300 IncompatibleThe remote party does not have the feature the user has requested, for example, polling.Change the settings, then resend the fax.20-400 Line BusyThe remote party did not answer. Wait, then resend the fax.20-410 Line ErrorThere is a problem with the phone line, affecting transmission or reception. Try again and ifnecessary, wait for the line to clear.20-500 Memory FullThe fax data memory is full. Delete any unnecessary documents awaiting transmission, or waituntil more memory becomes available, or split the current Fax in to smaller units.20-550 Low MemoryThe available fax memory is getting low.20-600 No AnswerIt has not been possible to connect to the remote fax, even after re-dial attempts. Check thatthe remote fax is on line and try again.20-700 Number Not AssignedNo number has been assigned for the speed dial location selected. Assign a number to thislocation or dial the number manually.20-800 Power FailureDuring a power-off period, the machine has lost its user memory. Check that the backup bat-tery is holding its charge of about +3V. If necessary, install a new battery. Wait, then resend thefax.20-900 Retry RedialThis indicates that the machine is waiting to re-dial. Press Start to re-dial immediately, or pressStop to cancel the re-dial procedure.Final ActionsPerform the following:1. Install a new fax PWB, PL 3.10 Item 3:2. Perform the OF7 Main PWB Check RAP.