Service manual

ManualsBrandsScan-Graphics ManualsPrint & ScanCF500/44

7020

and then perform the following diagnostic mode to replenish the developing unit with toner:

a. Access the 47 mode (power the copier ON while pressing the 4 and 7 keys).

b. Enter output code 54.

c. Press the START button.

Note: Toner will now be added to the developing unit and stop automatically when target level is

reached, although it will not run any longer than 3 minutes.

d. Power copier OFF/ON to return to normal copy mode.

Note: Perform the following 25 mode software switch settings to minimize the amount of copies

that can be made, prior to copy inhibit, when the ADD TONER message is displayed:

- Access the 25 mode (hold down the 2 and 5 keys at power ON).

- Select [1] (SOFTWARE SW).

- Using the up and down arrows, scroll to the following software switches and set them as follows:

a. 4-0 set to a 0

b. 4-1 set to a 0

c. 4-2 set to a 0

d. 4-3 set to a 0

- Power OFF/ON to return to normal copy mode.

Notes:

A. These setting will allow the ADD TONER message to be displayed immediately and only

allow 100 copies to be thereafter.

B. Copier inhibit will automatically be released when a new toner cartridge is installed.

C. This solution identified as a common problem by Jim Wood, Konica BT Orlando.

2. The toner conveyance gear is worn. The toner conveyance gear is driven by the toner supply

motor located on the toner supply unit.

Replace the toner conveyance gear (p/n 26NA32680).

F56-1 at power up.DESCRIPTION: SOLUTION ID:

93181

SOLUTION:

CAUSE: Failed RADF CB, causing communication difficulties.

Note: This code is classified as an image control communication abnormality in the Service

Manual.

SOLUTION: To check the RADF CB, perform the following:

1. Power the copier OFF.

2. Disconnect the RADF connector from the main body.

3. Power the copier ON. If the machine powers up with no error code the, RADF CB has failed.

4. Reseat all connectors on the RADF CB. Replace the RADF CB (p/n 13GL-9010) as necessary.

[[ADF serial number, DF Control Board, firmware version and model compatibility matrix| URL

http://techweb.konicabt.com/tpm/media/t20030054a1e.pdf]].

Note: To view the PDF, Acrobat* Reader must be installed. Acrobat Reader can be downloaded

for free from the Adobe* Web site at: [[http://www.adobe.com/products/acrobat/readstep2.html|

URL http://www.adobe.com/products/acrobat/readstep2.html]]

USAGE:

Code 0006 is displayed in the result screen several seconds after initiating the L-detect

adjustment procedure.

DESCRIPTION: SOLUTION ID:

117926

SOLUTION:

CAUSE: The sensor on the TCSB is dirty, resulting in improper output to the PRDB.

SOLUTION : To clean the sensor on the TCSB, perform the following:

1. Power the copier OFF.

2. Open the front door, loosen the set screw, and gently pull the developing unit out toward you.

3. Open the ADU door, and open the conveyance unit.

4. Loosen the set screw and gently pull the drum unit out toward you until it stops. Then tilt it

slightly and remove it.

5. Remove the drum from the drum unit and thoroughly clean the sensor on the TCSB with a

cotton swab and alcohol. Replace the TCSB (p/n 26NA-9180) as necessary.

USAGE:

How to clear the REPLACE FIXING UNIT message.DESCRIPTION: SOLUTION ID:

91890

SOLUTION:

To clear the REPLACE FIXING UNIT message, perform the following:

1. Power the copier OFF.

2. Access the 36 mode (power the copier ON, while pressing the 3 and 6 keys).

3. Touch [8. Counter clear] on the touchscreen.

4. Touch [2. Fixing counter] on the touchscreen.

5. Touch [Yes] on the touchscreen.

6. Power the copier OFF/ON to exit the 36 mode.

USAGE:

J11, J12, J13, or J14 and noise when feeding paper.DESCRIPTION: SOLUTION ID:

113536

May 2005