Brother International HL-3400CN Service Manual - Page 160

CHAPTER 5 CONTROL PANEL OPERATION 45-2 THV TUNE UP This mode shall be used when the transfer voltage needs to be adjusted due to errors such as transfer failure onto the media. The adjustment is used to change the transfer voltage, subject to the media to be used, against the reference value 0 (zero) in the range -4 to +4. NOTE: Do not perform this mode frequently. Description of Procedures 1) Press the Continue button after selecting Screen (a) "NVM TUNE UP". (b) (a) -> a) 2) After selecting THV TUNE UP Code 2, press the Continue button. (b) -> (c) b) 3) After selecting the media to be adjusted, press the Continue button. (Ex. PPC). (c) -> (d) 4) Adjustment can be made in 8 steps between c) -4 and +4. After selecting a given number, press the Continue button. (d) 5) Press the Font button to finish the d) adjustment for PPC. (d) -> (e) Repeat steps 3 to 5 for other media such as OHP or Labels. e) 6) Press the Font button to finish the adjustments. (e) -> (f) f) LCD Message 39 FACTORY MODE > NVM TUNE UP 45 NVM TUNE UP No.= 45 THV TUNE UP > PPC/OHP/LABEL 45 THV PPC [ -+ 45 THV TUNE UP p, 1;.> PPC/OHP/LABEL 45 NVM TUNE UP No.= 5-38