Brother International HL-3400CN Service Manual - Page 198
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HL-3400CN SERVICE MANUAL 4.4 Paper Discharger Replacement Criterion of Replacement The paper discharger should be replaced with a new discharger at the same time as the transfer roller according to the periodical maintenance cycle set out in Table 6-4. When time is due for replacement of paper discharger, the following message appears on the control panel. LJ READY 001P T1 REPLACE 120K KIT Purpose of Replacement To prevent the discharging efficiency from declining due to deterioration of the paper discharger. A PRECAUTION Do not touch the corona wire of the paper discharger. Necessary Tools and Replacement Materials 1) Two or three pieces of cotton cloth for cleaning 2) Paper discharger (one unit) Work Procedures Sequence of Disassembling (1) After turning off the printer, unplug the power cable from the power outlet. (2) Open the rear access cover. (Fig.6-21) Rear access cover N N O Fig. 6-22 6-27