MX-6240N, MX-7040N (serv.man28). Section 9 Maintenance - Updated November 2012 - Sharp Copying Equipment Service Manual (repair manual). Page 20

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MX-7040N  MAINTENANCE  9 – 20
J. Transfer section
: Check (Clean, replace, or adjust according to necessity.)
: Clean
: Replace
: Adjust
: Lubricate
Unit
No.
Maintenance parts
When 
calling
Every 
200K
Every 
300K
Every 
400K
Every 
600K
Every 
1500K
Remark
Primary transfer 
unit
1
Primary transfer belt
When replacing, apply KYNAR powder.
2
Primary transfer cleaner 
blade
When 300K is reached, replace together with the 
primary transfer belt. 
3
Primary transfer roller
Replace as needed.
4
Primary transfer belt 
drive gear
Replace as needed.
5
Primary transfer belt 
drive roller
Clean with alcohol.
6
Primary transfer belt 
follower roller
Clean with alcohol.
7
Primary transfer belt 
tension roller
Clean with alcohol.
8
Primary transfer idle 
roller
Clean with alcohol.
9
PTC opposed roller
10
Registration backup roller
Clean with alcohol.
11
Transfer separation pawl
Replace together with the primary transfer belt.
12
Y auxiliary roller
Clean with alcohol.
13
Primary transfer cleaner 
seals F/R
Replace as needed.
14
Primary transfer toner 
reception seal
Replace as needed.
15
Sensors
For the reflection-type sensor, the other side 
must be also cleaned.
PTC unit
16
Charger wire
Do not touch the wire with bare hand.
17
PTC cleaner
18
PTC cleaner B
Registration 
sensor unit
19
Image registration/
density sensor
20
Sensors
For the reflection-type sensor, the other side 
must be also cleaned.
Secondary transfer 
unit
21
Secondary transfer belt
Never use alcohol or solvents for cleaning.
22
Secondary transfer 
cleaner blade
When 300K is reached, replace together with the 
secondary transfer belt. 
23
Secondary transfer roller
Replace as needed.
24
Secondary transfer idle 
gear
Replace as needed.
25
Secondary transfer belt 
drive roller
Clean with alcohol.
26
Secondary transfer belt 
follower roller
Clean with alcohol.
27
Secondary transfer blade 
contact roller
Clean with alcohol.
28
Secondary transfer 
backup roller
Clean with alcohol.
29
Secondary transfer 
cleaning brush roller
30
Secondary transfer 
cleaner seals F/R
Replace as needed.
31
Secondary transfer toner 
reception seal
Replace as needed.
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