Brother International HL-3400CN Service Manual - Page 172

CHAPTER 5 CONTROL PANEL OPERATION 3.4.5 PR2001003 Initial setting of engine NVRAM Implement the initial setting at the replacement of MCTL PWB after clearing the contents of NVRAM. The number of images for each color will be reset when changing the MCTL PWB or executing NVRAM INITIAL. (1) Before replacing the MCTL PWB, confirm the contents of the NVRAM for the following items. "Factory Mode" Code Subject Confirmation Value 43 MARGIN ADJUST Top margin set value 43 MARGIN ADJUST Left margin set value 45 LP TUNE UP Adjustment value ("+4" in ordinary case) 45 THV TUNE UP Adjustment value (PPC/OHP "0", LABEL "-2") 45 DBV TUNE UP Adjustment value ("0" in ordinary case) 45 CBV TUNE UP Adjustment value ("0" in ordinary case) *1 45 FBV TUNE UP Adjustment value ("+1" in ordinary case) *2 45 ADC TUNE UP Adjustment value ("0" in ordinary case) 47 TOTAL PAGE SET Total print count 47 LFU PAGE SET Print count from LFU 47 DPL PAGE SET Print count from Duplex 48 EACH IMAGE SET Formed image count for 4 individual colors 49 NEXT LIFE SET Print count for maintenance replacement parts (2) Execute 46 NVRAM INITIAL in Factory Mode. (3) After implementing the NVRAM INITIAL, input the values obtained in procedure 1) into the NVRAM to complete the settings. *1 '0' is applied for machines produced after June 2000. You need to set the CBV TUNE UP value to `0' for machines which were produced before June 2000, to which `+1' has been applied. For setting procedures, see 45-4. CBV TUNE UP in this section. *2 `+1' is applied for machines produced after June 2000. You need to set the FBV TUNE UP value to `+1' for machines which were produced before June, 2000, to which `0' has been applied. For setting procedures, see 45-5. FBV TUNE UP in this section. 5-50