Cleaning and Maintenance 6 - 27 OKIFAX 5300/5600 Serv Man, P/N 592783016.15 Service Code1) The service code can be printed on Activity Report to recognize the result of each communica-tion.2) The activity report indicates the code ”0000", should a communication terminates on normalstatus as a service code.3) The activity report indicates one of the codes of “90XX”, should a communication terminates onabnormal status, as an error code.4) Besides the above codes of “90XX”, the following codes are prepared for identifying anabnormal status in details.-21XX: For error codes in Group 3 transmission phase B-29XX: For error codes in Group 3 reception phase B-39XX: For error codes in Group 3 reception phase C-41XX: For error codes in Group 3 transmission phase D-49XX: For error codes in Group 3 reception phase D