Gestetner A294, Service Manual

Page: 501 / 600

Rev.10/2000 FIRMWARE HISTORY
SM 7-43 A294/A295
Tr
ouble
-
shooting
7.4 FIRMWARE HISTORY
7.4.1 A294 / A295 FIRMWARE MODIFICATION HISTORY
A294 / A295 FIRMWARE MODIFICATION HISTORY
DESCRIPTION OF MODIFICATION FIRMWARE
LEVEL SERIAL
NUMBER FIRMWARE
VERSION
First release of the firmware A2945610 A From first
production 6.3.1
Details of Errors and modification
(Ver. 7.1)
1. SC990 Prevention
SC990 was rarely indicated in the following
situations. This problem was caused by data
transfer failure from SICU to BCU:
•
During 2-sided to 2-sided copying
• 1 sided to 2 sided copying with A3 paper
•
When changing pages in SP mode
2. SC304 Prevention
SC304 was misdetected while the charge
corona is off. After changing the Firmware, SC
conditions related to the grid voltage are
ignored while the charge corona is off.
A2945610 B
From Dec, 99
production 7.1
Details of Errors and modification
(Ver. 7.8.1)
1. SC990 Prevention
SC990 was displayed when 1000 staples are
continuously made in one job.
2. PM Counter Description Correction
•
Item No. 023 “Toner Shield Glass” has
been changed to “Toner Filter”.
• Item No. 044 to 046 “Original Feed
Counter” has been changed to “Paper
Feed Counter”.
3. Extra Counter Error
Counters of item No. 044 to 046 (Extra
counters) did not count up.
4. PM Alarm Interval (SP5-501)
The maximum number of SP5-501 setting has
been changed from 255(k) to 999(k).
5. Dog Ear Curl Prevention
To minimize the dog ear curl when tab sheet
is used, inverter timing in tab mode has been
changed.
A2945610 C From Jan, 00
production 7.8.1
Continued..
⇒
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA