AR-PB2A (serv.man7). ARPB2A-Service Manual - Sharp Copying Equipment Service Manual (repair manual). Page 20

Used to setup write protect YES/NO of flash memory.

When making version up of the flash memory or when rewriting the
flash memory, short pins 2-3. In normal cases, short pins 1-2 (write
protect). 

When shipping, the DIP switch is set to the following value.

JP109

1-2

Flash memory write protect

Enter SIM 61-4 and set the setup value to 16 (default).

If set to another value, normal print density may not be obtained.

Enter SIM 67-3 and set the ACK signal width.

If communication between PC and the copier is not normally per-
formed with the set value st to 10 (default), check the environment of
PC and change the set value.

Adjustment range: 0 ~ 255

Enter SIM 67-11 and set SELECT IN signal YES/NO.

The relationship between the set value (0 or 1) and SELECT IN 

signal is as follows:

Set value

SELECT IN signal

0

YES

1

NO

If communication between PC and the copier is nor performed nor-
mally, check the environment of PC and change the set value.

Use SIM 67-17.

This is used to clear various setup data relating to the printer opera-
tions stored in NVRAM on the printer control PWB.

Execute this procedure to set all the setup data to default.

After installing the network card, execute SIM 67-16, and the opera-
tion of the network card is displayed as NG or OK.

JP109

JP109

1

1

3

3

Write protect condition

(Default)

Write condition

AR-PB2A

4 – 4