Panasonic KX-CL400 Service Manual ▷ View online
1.6. PCB, Switches and Sensors Identification
Sensor/Switch/Board Name
Description
Paper Size Detection
For detecting the current selected paper size at the standard paper cassette.
Toner Empty Sensor Board
For detecting whether the toner is low (or empty) or not.
Temp./Humidity Sensor Board
For sensing the ambient temperature and humidity.
Paper Full Sensor Board
This board has the paper full sensor. The paper full sensor is for detecting whether the output
paper tray is full.
paper tray is full.
Toner Cartridge Access Cover Detection
Switch
Switch
For detecting whether the toner cartridge access cover is closed. If the toner cartridge access
cover is opened, printing is not possible.
cover is opened, printing is not possible.
ADU Jam Detection Sensor Board
For detecting whether the paper is ejected from the ADU (Option Automatic Duplex Unit) within
the proper time.
the proper time.
ADU Detection Sensor Switch
For detecting whether the ADU is installed.
MPT Paper Detection Sensor Board
For detecting whether the paper is set on the MPT (multi-purpose paper tray).
MPT Home Position Sensor Board
For detecting the home position of the MPT pickup roller.
Paper Empty/Registration Sensor Board
This board has the paper empty and registration sensors. The paper empty sensor is for
detecting whether the paper is set on the standard paper cassette. The registration sensor is for
detecting whether the sheet of paper arrived at the registration roller after being properly picked
and traveling through the paper feed rollers.
detecting whether the paper is set on the standard paper cassette. The registration sensor is for
detecting whether the sheet of paper arrived at the registration roller after being properly picked
and traveling through the paper feed rollers.
OPC Cam Home Position Sensor Board
For detecting the home position of the OPC drum.
Acc. Cam Home Position Sensor Board
For detecting the home position of the accumulator cam and controlling the printing process.
Front/Right Door Open Detection Switch
For detecting whether the front door or right cover is opened.
13
KX-CL400
Sensor/Switch/Board Name
Description
LSU Safety Interlock Switch
When the front door or right cover is opened (or both are opened), the power that is supplied to
the laser diode drive circuit in the laser unit is shut off because this switch is opened
the laser diode drive circuit in the laser unit is shut off because this switch is opened
Front/Right Door Interlock Switch
When the front door or right cover is opened (or both are opened), the printing is not done
because this switch is opened.
because this switch is opened.
Waste Toner Cartridge Full Sensor Board For detecting whether the waste toner cartridge is full.
Color Registration Sensor Board
Color Registration Sensor Board
For reading the Color Registration Check Pattern to calculate adjustment for the fine Color
Registration Adjustment.
Registration Adjustment.
14
KX-CL400
2 About Lead Free Solder
2.1. Suggested PbF Solder
We recommend you to use the following solder when re-soldering component for repair. Before using other Pb free solder than the
following solder, be sure to confirm a solder maker you appoint has made license agreements to be required when using Pb free
solder legally.
following solder, be sure to confirm a solder maker you appoint has made license agreements to be required when using Pb free
solder legally.
Supplier: Senju Metal Industry Co., Ltd. (http://www.senju-m.co.jp)
Part Description in Senju: ECO SOLDER RMA02 P3 M705 Series
Note:
When the recommended PbF solder is not available at Senju Metal Industry Co., Ltd., see section 14.10 PbF Solder Service
Part Number.
Part Number.
15
KX-CL400
2.2. How to recognize that PbF Free solder is used
2.2.1. Main Control Board
Marked PbF
(Top View)
2.2.2. ROM Board
(Top View)
Marked PbF
16
KX-CL400
Click on the first or last page to see other KX-CL400 service manuals if exist.