Date: Apr. 20, 1994
COPIER : Z-20 SERIES
1. MEASURES TO REDUCE P APER SUPPLY NOISE
2. CHANGES TO POWER SUPPLY BOARD RESISTORS TO
IMPROVE PRODUCTIVITY
3. CORRECTIONS TO TECHNICAL REPORT SP-1705
1. Measures to reduce paper supply noise
1.Model name: Z-23, 25, 27
2.General: A molt has been added to r educe noise during paper supply calling.
No. : SP-1729
3.Description: A noise reduction molt has been added to the pressure holder attachment in cabinet
bottom B.
Noise reduct i on m ol t PMLT-0939FCZZ
Noise reduction molt
Bottom cabinet B
<Lower section>
Attachment for
pressure board holder
4.Action: From first unit of October 1993 production.
SHARP CORPORATION Reprography Division
1/3
Green
C
2. Changes to power supply board resistors
1.Model name: Z-20, 23, 25, 27
2.General: The shape of the resistance lead has been changed to improve productivity. (The
self-supporting acidic metal resistor does not support itself and adheres to the board as
shown in figure b. A spacer or similar tool was inserted between the board and resistor
during installation and was found to be very inefficient.)
3.Description: There is no problem with the resistors adhering to the board. Therefore, only the
resistor leads have been changed to a straight type.
Old
Resistor VRS-RE3LA101J (Q'ty: 2)
a. Design
(R113.114)
VRS-HT3LA101J (Q'ty: 2)
New
b. Old
C. New
4.Action: From May 1994 production. However, resistors up to the April 1994 production lot will
be mixed as shown in figures a and b.
3. Corrections to T echnical Report SP-1705
1.Model name: Z-20, 25
2.General: There was a misprint and omission to the changes listed for “Item 6 OR cover” on page
3 of Technical Report issue number SP-1705. Please make the following changes.
3.Description: (Misprint)
(Error)
OR cover Urban gray GCOVH0215FCZZ → GCOVH0215FCZ1
↓
(Correction)
OR cover Frosty gray GCOVH0215FCZZ → GCOVH0215FCZ1
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Ref.
Model
No.
Z-23
1
Z-25
Z-27
Z-20
Z-23
2
Z-25
Z-27
<Interchange>
1. Interc ha ng ea bl e. 4. N ot i nt er ch an ge ab l e.
2. Current type can be used in place of new type.
New type cannot be used in place of current type.
3. Current type cannot be used in place of new type.
New type can be used in place of current type.
Parts marked with “ ” is important for maintaining the safety of the set. Be sure to replace these parts with
speci fied ones for mai n ta in i ng t he safety an d perfor ma nc e o f th e s et .
name
Version P/G No.
5
All
13 -48 VRS-RE3LA101J VRS-HT3LA101J AC
!
Current parts New parts
Parts code Parts code
— PMLT-0939FCZZ AA
5. Interchangeable if replaced with same types of
6. Others.
Price
relate d parts in use .
Parts name
rank
Noise reduction
molt (F)
Resistor 3W
100Ω
Effec-
tive
time
’93/10 6
’94/5 1
Inter-
change-
ability
Note
R113,
114
3/3
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