Replacing Board Base Section (Y Rail Section); Replacing Heater Junction Board Assembly - MUTOH ValueJet 1604 Service Manual

4 Parts Replacement

4.5 Replacing Board Base Section (Y Rail Section)

This section describes the procedure to replace the boards in the Y rail section.
4.5.1

Replacing Heater Junction Board Assembly

• Before you replace a board assembly, remove the AC inlet cable.
You may suffer electric shock due to standby current.
• When you handle a circuit board, do not touch any elements on it with bare hands.
Doing so may cause electrostatic discharge and damage the elements.
1. Move the carriage to the opposite side of the origin.
"4.8.1 Releasing Head Lock" p.4-106
2. Remove the side top cover R.
"4.2.6 Removing Side Top Cover R" p.4-12
3. Remove the cartridge cover (upper).
"4.2.9 Removing Cartridge Cover (Upper)" p.4-17
4. Detach the connector to the heater junction board assembly.
No. Connector No.
1 J1
2 J2
3 J3
4 J4
5 J5
6 J6
7 J7
8 J8
9 J9
10 J10
11 J11
12 J12
13 J13
14 J14
15 J15
16 J16
Rev.-05
# of Color
Pins
Config CN
4 White DC IN -> HEATER CONT (J8)
Communication -> HEATER CONT (J9)
10 White HEATER CONT (J10)
10 White INK SLOT1
10 White INK SLOT2
10 White INK SLOT3
10 White INK SLOT4
10 White
10 White
8 White SubTank1
8 White SubTank2
8 White SubTank3
8 White SubTank4
8 White
8 White
Connect to
4-60
VJ-1604 Maintenance Manual
Remark
LAN
Option
Not in use
Not in use
Not in use
Not in use