Brother HL-1040 - Manual (Page 157)

MAINTENANCE
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4. MAINTENANCE
4.1 Daily Maintenance
You need not daily maintenance for the lower tray unit such as cleaning.
4.2 Periodic Maintenance
You need not to replace any parts periodically. However, it is recommended for high
performance of paper feeding that the following parts are replaced in accordance with the
periodic replacement cycle of printer parts.
Description Part No. Replacement Cycle
Paper Feeding Roller UH3485001 Every 120K print
Separation Pad UH3486001 Every 120K print