Brother International HL-3400CN Service Manual - Page 165

HL-3400CN SERVICE MANUAL 46 NVRAM INITIAL This mode can initialize (data clear) all the data in the NVRAM on the MCTL PWB. AXCAUTION BEFORE USING THIS MODE, THE VALUES FROM `34 TOTAL PAGES' AND `35 EACH IMAGE' MUST BE READ TO ENABLE THE CORRECT VALUES TO BE RESET USING FUNCTIONS 47 AND 48. NOTE: • Do not perform this mode other than when replacing the MCTL PWB. • After performing this mode, be sure to set the LP TUNE UP value to `- 3'. Description of Procedures 1) Press the Continue button after selecting Screen (a) "NVRAM INITIAL". (a) -> (b) a) 2) Select YES if NVRAM INITIAL should be executed. If not select NO. Press the Continue button so that the RAM b) INITIAL will be executed. (All the data will be cleared.) (b) -> (c) LCD Message 39 FACTORY MODE > NVRAM INITIAL 46 NVRAM INITIAL > YES / NO 3) Following modes should be executed to set the RAM data. c) 43: MARGIN ADJUST 44: LIFE PERIOD SET 45: NVRAM TUNE UP 47: TOTAL PAGE SET 48: EACH IMAGE SET 49: NEXT LIFE SET When setting NVRAM TUNE UP, set LP TUNE UP +4. 39 FACTORY MODE > DP CHECK