SHARP LPE186 Technical Report

Date: Feb. 23, 1994

LASER PRINTER: JX-9660

1. CPU MASKING AND PCU ROM VERSION UP.

2. CHANGE IN THE CONNECTOR OF THE ICU CIRCUIT BOARD.

3. ADDITION OF OHP SHEET EXPLANATION CARDS TO THE
INSTRUCTION BOOK FOR UNITS BOUND FOR SEEG.

No. : LPE-186

1. CPU masking and PCU ROM version up.

1.Model name: JX-9600, JX-9660/PS, JX-9460/PS

2.General: The changes described below have been carried out on the PCU ROM.

➀ As blank paper discharge trouble shooting measures for models JX-9600 and

JX-9660/PS, the PCU ROM version has been raised and the unit code of the PCU
circuit board has been changed.

➁ The 1-chip CPU used by the PCU in model JX-9460 / PS has been changed from

OTP to a mask. The unit code of the PCU circuit board has also been changed.

3.Description: ➀ The PCU ROM version has been raised and the unit code of the PCU circuit board

has been changed.

Parts name Old New

PCU ROM VHIM37451S326

PCU Circuit board unit CPWBF0049GC59 CPWBF0049GC63

(ROM version
G.0.0)

VHIM37451S400

(ROM version
G.1.0)

➁ The 1-chip CPU used by the PCU circuit board has been changed from OTP to a

mask. In addition, the unit code of the PCU circuit board has also been changed.

Parts name Old New

PCU ROM VHIM37451SP03 VHIM37451S320

PCU Circuit board unit CPWBF0049GC55 CPWBF0049GC62

4.Action: From 1993 December production.

SHARP CORPORATION Printer and Scanner Division

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Orange

C

2. Change in the connector of the ICU circuit board.

1.Model name: JX-9400

2.General: The connector of the ICU circuit board (CN 504, 68 pin) has been changed to one with

a lock installed. The unit code of the ICU circuit board has also been changed.

3.Description:

Parts name Old New

Connector

ICU Circuit board unit CPWBX0056GC51 CPWBX0063GC52

QCNCW0021GCZZ

(68 pin, w/o lock)

QCNCW0042GCZZ

(68 pin, w/lock)

4.Action: From 1993 December production.

3. Addition of OHP sheet explanation cards to the instruction book for units bound for
SEEG.

1.Model name: JX 9660 / 9460 (bound for Europe)

2.General: In accordance with the wishes of SEEG, explanation cards concerning the OHP sheets

have been added to the user’s manual for the models listed above.

3.Description: Explanation cards (TCADZ0047GCZZ) concerning the OHP sheets have been added.

4.Action: From 1993 December production.

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