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[11] MAINTENANCE
1. Maintenance cycle and maintenance items
Maintenance of the SF-1020/1120 should be performed at every 50K.
<Content> ★ = Lubricate, F = Clean, v = Adjust, b = Replace/attach, ê = Shift position
✕ = Check (Clean, replace, or adjust if necessary.)
* The toner consumption and the waste toner bottle replacement cycle are those when the reference chart is used.
Section Parts 50K 100K 150K 200K Same cycle later Remark
Developing
Developer bbbb
DV blade FbFb
DV side seal (F/R) FbFb
Process peripheral
Drum bbbb
Cleaner blade bbbb
Toner reception seal bbbb
Drum separation seal bbbb
Charging plate (saw teeth) FbFb
MC case FFFF
Screen grid FbFb
Discharge lamp FFFF
Blank lamp FFFF
Drum mark sensor FFFF
Drum density sensor FFFF
Waste toner bottle bbbb
TC/SC case FFFF
TC/SC wire FbFb
Suction Suction belt FFFF
Ozone filter Ozone filter ✕ F ✕ F
Fusing
Upper heat roller ✕ b ✕ b
Lower heat roller ✕ b ✕ b
Upper separation pawl FbFb
Lower separation pawl ✕ b ✕ b
Thermistor FFFF
Heat roller gear ★ b ★ b
Optical
Mirror/lens/reflector FFFF
Drive wire/pulley ✕✕✕✕
Rails ✕★✕★
Table glass FFFF
Dust-proof glass FFFF
Paper feed
(including multi paper
feed section)
Pick-up roller F (✕) F (✕) F (✕) b
Paper feed roller F (✕) F (✕) F (✕) b
Separation roller F (✕) F (✕) F (✕) b
Do not use alcohol.
Wipe with water.
Torque limiter section ✕✕✕b
Transport
PC roller pair FFFF
Transport roller pair FFFF
Transport paper guides FFFF
Transport system sensors FFFF
Drive
Belts FFFF
Gears
(specified gears only)
★★★★
Image vvvv
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