Brother International HL-2600CN Service Manual - Page 153

41 BD CHECK Laser beam position and laser power can be checked. Procedure Description of Procedures 1) Press the Reprint button after selecting "BD CHECK". (a) (b) a) 2) The scanner motor scans the laser beam as it is rotating. If the scanning position of the laser beam is normal, "GOOD" is displayed on the LCD, otherwise "FAIL". (b) or (c) b) Scanner motor automatically stops rotating after 60 seconds. (d) 3) Press the - button to exit the BD CHECK mode. (b) (d) c) LCD Message 39 FACTORY MODE BD CHECK 41 BD CHECK GOOD 41 BD CHECK FAIL d) 39 FACTORY MODE DP CHECK 42 FU CHECK Availability of oil in the fusing unit can be checked. Procedure Description of Procedures 1) Press the Reprint button after selecting "FU CHECK". (a) (b) a) 2) When powered on, the fusing unit starts the heating-up process and subsequently checks the fusing temperature. If the fusing temperature reaches the "print ready" status, "GOOD" message appears in LCD. If not, b) "FAIL" message. (b) 3) Press the - button to exit the FU CHECK mode. (b) (c) c) LCD Message 39 FACTORY MODE FU CHECK 43 FU CHECK TEMP:GOOD 39 FACTORY MODE DP CHECK V-28