Read Sharp MX-6240N / MX-7040N (serv.man32) Service Manual online
MX-7040N OPERATIONAL DESCRIPTIONS 13 – 34
Signal name
Name
Function/Operation
1TC-CMY
Primary transfer output (CMY)
Color transfer high voltage
1TC-K
Primary transfer output (K)
B/W transfer high voltage
1TUD_CL
Transfer mode detector (CL)
Color transfer roller position detection
1TUD_K
Transfer mode detector (BK)
B/W transfer roller position detection
1TURC
Primary transfer separation clutch
Controls the primary transfer separation mode.
1TURRC
Primary transfer separation reverse clutch
Controls the primary transfer separation mode.
2CL
Secondary transfer brush roller output
Cleans the secondary transfer section.
2DR
Secondary transfer drive roller output
Reduces toner splash in separation.
2TC
Secondary belt transfer output
Secondary transfer high voltage
BTM
Transfer belt motor
Drives the transfer belt.
PTC
PTC output
PTC high voltage
PTCCHPD
PTC cleaner home position sensor
Detects the PTC cleaner home position.
PTCCM
PTC cleaning motor
Drives the PTC cleaner.
WTM
Waste toner drive motor
Transports waste toner.
No.
Name
Function/Operation
1
Primary transfer cleaner blade
Clean and remove residual toner from the primary transfer belt.
2
Primary transfer belt
Toner on the drum is transferred to form toner images on the belt.
3
Primary transfer roller
Transfers toner images on the OPC drum to the primary transfer belt.
4
Primary transfer idle roller
Transfer belt follower.
5
Primary transfer belt drive roller
Drives the transfer belt.
6
Primary transfer belt follower roller
Transfer belt follower.
7
Primary transfer belt tension roller
Apply a tension to the transfer belt.
8
Belt CL brush
Transfer belt back surface cleaning.
9
PTC opposing roller
Roller to flow a PTC current.
10
Secondary transfer belt
Transfers toner images on the primary transfer belt to paper.
11
Secondary transfer roller
Transfers toner images on the primary transfer belt to paper.
12
Secondary transfer belt drive roller
Drives the transfer belt.
13
Secondary transfer belt follower roller
Transfer belt follower.
14
PTC unit
Reduces the positive charges on the primary transfer belt.
15
Registration backup roller
Holds the belt position in the registration section in the process control.
16
Secondary transfer blade
Cleans remaining toner on the secondary transfer belt.
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