Page: 8Service Manual for OF5300/5600Chapter 1 General Information(01) Self-diagnosisCPU ROM/RAM checkFLASH (/MASK) memory check (Program, Language, Default)RAM checkRAM check (MEMORY board: option)PC-IF board (parallel) checkPrint test(02) Sensor calibration (Adjustment of scanning level)(03) LED test(04) Tone send test(05) Multi-frequency (MF) send test(06) High-speed modem send test(07) High-speed modem receive test(08) Tone (TEL/FAX) test(09) Remote diagnosis(10) System reset(11) Service default report (Machine setting for service engineer)Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA BusinessPartner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)