Brother MFC-9420CN Service Manual page 198
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Also See for MFC-9420CN:
- Service manual (403 pages) ,
- User manual (195 pages) ,
- Software user's manual (145 pages)
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(13) Secure the top side R with the screw (1piece).
(14) Close the front cover and back cover.
(15) Install the paper tray.
< How to reset the 120K Kit >
(1) Press the Menu/Set, Black Start, , ,
mode.
(2) Press the 8 and 0 keys in this order to indicate the LOG INFO message on the LCD, and
press the Black Start key several times until the "120K_CH:" message appears.
(3) Press the 2, 7, 8 and 3 keys in this order to reset the counter of the 120K Kit.
(4) Press the 9 key twice so that the printer returns to the standby status.
CAUTION
• This work is one of periodic replacement jobs, but cannot be the customer. This should be
implemented upon request of customer or at periodic maintenance.
• After the replacement, confirm the feeding of media such as plain paper, OHP, and stack
paper.
Back cover
Fig. 6-31
and
keys in this order to enter the maintenance
6 -2 2
Top side R
Screw
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Troubleshooting
