Canon GP405, GP605, GP160, Gp-335, Gp-605v Service Bulletin gp405-04

Service Bulletin

Issued by Canon Europa N.V.

COPIER

Model :

Location :

Subject :

Reason :

GP405/335

No.:

GP405-004
(FF-T01-J7-000019-01)

DATE:

04.06.99

IMAGE PROCESSER PCB ASSEMBLY

UPDATING PROM PROGRAM (DC VER. 24)

To communicate information on DC software upgrade which was performed in order to prevent the
occurre nce of E001 af ter going into the sleep mode. (DC Ver. 24)
Furthermore, this version only works in combination with IP Ver. 37 and later.

[History of ROM modifications]

Service Bulletin

GP405-003 Ver. 37 Ver. 23 Changing specifications,

Ver. No.

IP DC

___

Ver. 24

Correct i on of E001

Correcting bugs,
Accommodating FAX
functions in some of 230V
areas

Description

GP405-001 Rev. 1 Ver. 30 Ver. 22 PS-PCL board compatibility /

correction of faults

Ver. 22.02 Ver. 20 Correction of scrambled

characters in display of
French, German and Italian.

Ver. 22.01 Correction of faults

___

Ver. 21 Production approval

Version

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1 / 2 -

GP405-004

g

Details :

Service Parts :

<Modifications in DC Ver. 24 >



Defect Corrections

No. Item Description

1

Correction for E001
during sleep

There is a possibility (this is confined to the case of going into the sleep
mode) that the SSR used to deliver current to the fixing heater remains
turned On when the fixing heater relay turns Off. As the consequence of
this situation, there would be a load to the fixing heater relay next time
this relay is turned On, and in the worst case, fusing of the contact would
follow. When such fusing occurs at the same time the SSR is turned On,
E001-0001 (detection of abnormal rise in the fixing heater temperature)
would follow. To overcome this situation, a sequence in the program has
been added to ensure that the SSR turns Off when going into the sleep
mode and to also ensure that the SSR is turned Off when the fixing heater
relay turns Off.

No. Description Part number Q’ty

1Old

FLASH MEMORY PCB UNIT DC FG3-0504-220
FLASH MEMORY PCB UNIT DC FG3-0504-240

New

10
01

Inter-

chan

ability

No Yes

-- -- -- -- -- -- -- --

e-

950-3

P.C.

Affected machines:

GP405 FRN SNY01241 and later
GP405 GER TNY00616 and la ter
GP405 UK QNY01723 and later
GP405 AMS UNY03720 and later
GP405 ITA PNY00411 and later
GP335 FRN SNZ01251 and later
GP335 GER TNZ00881 and la ter
GP335 UK QNZ01968 a nd later
GP335 AMS UNZ03919 a nd later
GP335 ITA PNZ00411 and later

Destination DC Ver. 24

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