2N8/2N7-1
2-4-9
* : Please do not use spray containing flamable gas for air-blow or air-brush purposes.
(4) Image adjustment after replacing the maintenance kit
Perform the following maintenance mode after replacing the maintenance kit (MK-6715A/MK-6715C):
Executable using preset-settings of the U952 maintenance mode workflow.
* : When the forwarding pulley, paper feed pulley or separation pulley is replaced, perform maintenance
mode U903 (clearing the jam counter) (see page P.1-3-186).
Execute Maintenance Counter - Cassette - Counter Clear of U251 (Maintenance counter limits/clear)
(see page P.1-3-133).
Section
Maintenance
part/location
User
call
Periodic maintenance
(x1000 counts)
Points and cautions Page
300 600 900 1200
Driving,
Other
Drum filter CL CL CL CL CL Vacuum. P.1-5-131
Developer filter CL CL CL CL CL Vacuum. 4pcs P.1-5-131
Belt filter CL CL CL CL CL Vacuum. P.1-5-132
LSU filter CL CL CL CL CL Vacuum. 2pcs P.1-5-133
Left filter CH
RE
RE RE RE RE
Replace: MK-8715C
2pcs
P.1-5-130
Eject filter CH
RE
RE RE RE RE
Replace: MK-8715C
3pcs
P.1-5-129
Each Clutches
CH
RE
CH CH CH CH
Check the image regis-
tration and paper feed
conveying condition on
paper feed conveying
Sensors
CH
RE
CH CH CH CH
Clean with alcohol or a
dry cloth.
(lighting part and light
reception part.)
Image quality
CH
AD
CH
AD
CH
AD
CH
AD
CH
AD
U464 (Calibration)
U410 (Adjusting the half-
tone automatically)
P.1-3-175
P.1-3-151
Maintenance kits Maintenance mode
MK-A U119/ U140/ U127/ U464/ U412/ U464/ U410/ U251
MK-C U464/ U410/ U251