Konica Minolta 7155 User Manual

SERVICE SCHEDULE
4 SERVICE
[2] Maintenance Items
1. Main body (Every 250,000 copies)
NO Classification Service item
Number
of parts
replaced
Implementation classifica-
tion
Materials/tools
used
Clea-
ning
Inspe-
ction
Lubric
-ation
Replace
-ment
1
Preparation (1) Image check
z
2
Drum unit (1) Charging control plate
56AA2503*
1
z
(2) Charging wire 56AA2509*
1
z
(3) Charging corona unit (back
plate and peripheral section,
PCL)
z
Drum cleaner/
waste/blower brush
(4) Charger cleaning base
56AA2540*
1
z
(5) Charger slide block
56AA2538*
1
z
(6) Charger cleaning block /U
56AA-253*
1
z
(7) Resin ring (
φ
2) 45AA2040*
1
z
(8) Charger cleaning block /L
56AA-254*
1
z
(9) Drum cartridge, bottom plate of
the developing unit, toner con-
trol sensor, separation claw
z
Blower brush/clean-
ing pad/A drum
cleaner is used only
when cleaning a
toner control sensor.
(10) Toner collection screw A
z
Blower brush/clean-
ing pad
56AA-213*
(7155/7165)
56QA-213*
(7255/7272)
1
z
*1
z
Electricity lubricant
(12) Cleaning blade (36 mode
blade setting mode)
56AA2010*
1
z
3
Developing unit (1) Developing bias armature
z
Blower brush/clean-
ing pad
(2) Developer (25 mode counter
resetting)
1
z
(3) Developing unit
z
Blower brush/clean-
ing pad
4
4-2
Note: *1 After replacing the toner guide roller, be sure to apply an electricity lubricant on the edge of the guide
roller shaft (on power supply pin side).
(11) Toner guide
roller
MODEL MANUAL REVISED EDITION DATE PAGE METHOD
SERVICE MANUAL Dec. 2003
7155/7165/7255/7272
4-2 REPLACEMENT
4

Konica Minolta 7155 Specifications

General

Brand	Konica Minolta
Model	7155
Category	All in One Printer
Language	English