Replacing the Lithium Battery in the Fax Cartridge

The fax cartridge contains a small battery that controls the time and date clock. This battery will should be changed every two to three years.

To replace the battery, turn off the power to the printer. Disconnect the phone cables from the jacks and remove the fax cartridge.

CAUTION: Be sure the printer's power is turned off before the fax cartridge is installed.

  1. Remove two screws from the fax cartridge case.
  2. Gently pry the case apart to expose the circuit board.
  3. Remove the old battery.
  4. Replace the old battery with a new 2032 lithium coin cell battery.

The battery will be marked with a plus sign (+) on one side and a minus sign (-) on the other side. Make sure that the plus (+) side is facing up when the new battery is installed.

  1. Put the cartridge case back together and replace the screws.
  2. Place the cartridge back in the printer and replace the phone cables.

Once the power is turned back on to the printer, the time and the date must be reset. (See "Clock Setup" in the Fax User's Manual.)

PLUG/CONNECTOR LOCATIONS

The illustrations that follow can be used to locate the plugs and connectors that must be disconnected and then reconnected when parts and assemblies are removed from the printer.

TABLE 4-1. PLUG/CONNECTOR LOCATIONS

Plug/ Connector

Connector Location

To Locations

P-1

DC Controller

To Laser Scanner Unit P/J-21 To Erase Assembly P/J-22 To Toner Sensor P/J-23 To EP Cartridge Switch P/J 24

P-2

DC Controller

P/J70, partly connected directly to Control Panel LCD

P-3

DC Controller

Control Panel Keypad-P-71

P-4

DC Controller

To Temperature Sensor P/J 31 To Exit Sensor P/J 32 To Fuser Fan P/J 33

P-5

DC Controller

Low Voltage Power Supply P-61

P-6

DC Controller

Motor Drive PCB P-73

P-7

DC Controller

High Voltage Power Supply P-41 Paper Out Sensor P-42

P-8

DC Controller

Paper Feed Solenoid

P-9

DC Controller

Registration Clutch Transport Clutch P/J 51 Pre-Registration Sensor P/J 52

P-10

DC Controller

Paper Size Sensor (tray 1)

J-1 1

DC Controller

External connector for Multi Media Power Feeder to DC Controller P-13.

P-12

DC Controller

I/O Controller J-6

P-13

DC Controller

Back Panel (Multi Media Power Feeder)

P/J-21

Upper Unit Laser Scanner Unit

Laser Scanner Unit to DC Controller P-1

P/J-22

Upper Unit

Erase Assembly to DC Controller P-1

P/J-23

Upper Unit

Toner Sensor to DC Controller P-1

P/J-24

Upper Unit

EP Cartridge Sensor to DC Controller P-1

P/J-31

Left side of fuser unit

Fuser Thermistor to DC Controller P-4

P/J-32

Left side of fuser unit

Exit Sensor to DC Controller P-7

P/J-33

Fuser Fan

DC Controller P-4

P-41

High Voltage Power Supply (HVPS)

DC Controller P-7

TABLE 4-1. PLUG/CONNECTOR LOCATIONS (Continued)

Plug/ Connector

Connector Location

To Locations

P-41

High Voltage Power Supply (HVPS)

DC Controller P-7

P-42

Paper Out Sensor (tray 1)

DC Controller P-7

P/J-51

Upper Unit

Transport Clutch (tray 1) to DC Controller P-9

P/J-52

Upper Unit

Pre-Registration Sensor to DC Controller P-9

P-61

Low Voltage Power Supply

DC Controller P-5

P/J-62

Left side of fuser unit

From Low Voltage Power Supply to fuser bulb

P-63

Low Voltage Power Supply

Wafer Box Fan

P-64

Low Voltage Power Supply

I/O Controller Power J-7

P-70

Control Panel LCD

Low Voltage Power Supply

P-71

Control Panel Keypad (directly connected)

DC Controller P3

P-73

Drive Unit PCB

DC Controller P-6

P-74

Multi Media Power Feeder PCB

Multi Media Power Feeder

P-81

DC Controller

Paper Feed Solenoid (tray 2)

P-82

DC Controller

Transport Clutch (tray 2)

P-83

DC Controller

Paper Size Sensor (tray 2)

P-84

DC Controller

Paper Out Sensor(tray 2)

P-91

DC Controller

Paper Feed Solenoid (tray 3)

P-92

DC Controller

Transport Clutch (tray 3)

P-93

DC Controller

Paper Size Sensor (tray 3)

P-94

DC Controller

Paper Out Sensor (tray 3)

MAIN CONTROL

MAIN CONTROL

NOTE:

THE WIRE HARNESSES FOR P2, P3, AND P4 ARE ROUTED UNDER THE DRIVE MOTOR. THE DRIVE MOTOR IS NOT SHOWN IN THIS FIGURE.

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DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

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