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Service Bulletin COPIER
Issued by Canon Europa N.V.
Model : GP405/335 No.: GP405-004
(FF-T01-J7-000019-01)
DATE: 04.06.99
Location : IMAGE PROCESSER PCB ASSEMBLY
Subject : UPDATING PROM PROGRAM (DC VER. 24)
Reason : To communicate information on DC software upgrade which was performed in order to prevent the
occurrence of E001 after 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 Ver. No. Description
IP DC
___ Ver. 24 Correction of E001
GP405-003 Ver. 37 Ver. 23 Changing specifications,
Correcting bugs,
Accommodating FAX
functions in some of 230V
areas
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
-1/2-
GP405-004
Details :
Defect Corrections
No. Item Description
1 Correction for E001 There is a possibility (this is confined to the case of going into the sleep
during 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.
Service Parts :
Inter- P.C.
No. Description Part number Q'ty change- -- -- -- -- -- -- -- --
ability
1 Old FLASH MEMORY PCB UNIT DC FG3-0504-220
1 0 950-3
0 1
No Yes
New FLASH MEMORY PCB UNIT DC FG3-0504-240
Affected machines:
Destination DC Ver. 24
GP405 FRN SNY01241 and later
GP405 GER TNY00616 and later
GP405 UK QNY01723 and later
GP405 AMS UNY03720 and later
GP405 ITA PNY00411 and later
GP335 FRN SNZ01251 and later
GP335 GER TNZ00881 and later
GP335 UK QNZ01968 and later
GP335 AMS UNZ03919 and later
GP335 ITA PNZ00411 and later
-2/2-