SHARP ARE003 Technical Report

Date: Apr. 21, 1995
DIGITAL COPIER : AR-5040
1. STANDARDIZATION OF THE PARTS CODES FOR THE IC IN THE ICU PWB.
2. PREVENTION OF NOISE IN THE SHIELD BOX.
3. CORRECTION OF THE PARTS GUIDE.
4. DISCONTINUANCE OF THE SHIELD MYLAR IN THE SHIELD BOX UNIT TO IMPROVE PRODUCTIVITY.
5. PREVENTION OF UNCLEAN COPI ES DUE TO THE CURLI NG OF THE REAR END OF THE COPY PAPER DURING DOUBLE SIDE COPY OPERATIONS.
6. IMP R OVEMENT OF PUSHER OPER ATIO NS IN TH E FINISHER UNIT.
No. : ARE-003
1. Standardization of the parts codes for the IC in the ICU PWB.
2.General: An error for the parts codes of the IC (Silk No. IC 33) used in the ICU circuit board was
found, listing two different model codes for the same part. To correct this error the parts codes have been standardized as described below.
3.Description:
VHISN74LS19N­VHISN74LS19NS
These are the same IC, but the parts codes are listed as different models.
The parts codes have been
standardized and listed as: VHISN74LS19NS
4.Action: From 1995 February production.
2. Prevention of noise in the shield box.
1.Model name: AR-5040 (200 V line only)
2.General: A problem of abnormal noise occurred in the shield box unit. To alleviate this problem,
a shield plate was added as shown in the figure for those units bound for areas supplied with the 200 V line.
SHARP CORPORATION Reprography Division
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Green
C
3.Description:
Chassis UN 200V line.
Step screws.
200V Line shield box unit.
4.Action: From the start of 1994 November production.
Chassis step screws. Position
Addition of Shield plate A.
Screws are used in 6 locations to fix shield plate A to the shield box unit.
3. Correction of the parts guide.
2.General: The harness attached to the optional PWB (SCSI PWB, WP PWB) was also listed in
the machine unit itself, and the parts guide listing has therefore been corrected.
3.Description: Corrected (discontinued) parts and their locations. P/G No. 11 -38 P/G No. 35 -29
DHAI-2363FCZZ
P/G No. 11 -39 DHAI-2386FCZZ
4.Action: From the start of mass production.
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4. Discontinuance of the shield sheet in the shield box unit to improve productivity.
2.General: The shield sheet used in the shield box has been discontinued to improve productivity.
3.Action: From the start of 1995 February production.
5. Prevention of unclean copies due to the curling of the rear end of the copy paper during double side copy operations.
2.General: The measures described below have been carried out to prevent unclean copies due to
the curling of the rear end of the copy paper during double copy operations.
3.Description: Teflon tape has been attached to the fixing unit thermostat attachment plate to prevent unclean copies.
Thermostat addachment plate
Teflon tape
4.Action: From the start of mass production.
6. Improvement of pusher operations in the finisher unit.
2.General: The measures described below have been carried out to improve the efficiency of the
pusher during stapler mode operations.
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3.Description: A pusher sheet has been attached to the pusher section of the finisher stapler tray.
Addition of a pusher sheet.
Guide sheets A and B have been added to the rear edge of the ST in the finisher
frame unit.
Addition of guide sheet A to the ST rear edge
Addition of guide sheet B to the ST rear edge. (two )
ST Rear edge guide
ST Rear edge guide
Addition of sheet B to “B” on the FIN paper guide.
Sheet B on the FIN PG
Staple tray
Sheet B on the FIN PG
B on the FIN PG
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Addition of PG sheet spacers and sheets A and B to “A” under the FIN paper guide.
Sheet B
Sheet A
4.Action: From the start of 1994 November production.
Sheet B
PG Sheet spacer
Ref.
No.
1
2
3
4
6
6
6
6
Model
name
AR-5040
Version P/G No.
68 -45 VHISN74LS19N VHISN74LS19NS AH IC [IC33] 1
All
200V
35 LPLTM4961FCZZ BA Shield plate A
series
11 -38
35 -29
11 -39 DHAI-2386FCZZ Discontinued
35 -18 PSHEP3723FCZZ Discontinued Shield sheet
53 PSHEP3853FCZZ AC Pusher sheet
All
51 PSHEP3854FCZZ AD
51
51
51 PSHEP3848FCZZ AE
51
Current parts New parts
Parts code Parts code
DHAI-2363FCZZ Discontinued
PSHEP3855FCZZ
(Q’ty: 2)
PSHEP3850FCZZ
(Q’ty: 2)
PSHEP3849FCZZ
(Q’ty: 2)
Price
rank
AD
AE
AC
Parts name
IO WP flat harness
IO WP PS harness
Guide sheet A to the ST rear edge
Guide sheet B to the ST rear edge
Sheet B on the FIN PG upper B
Sheet A on the FIN PG lower A
Sheet B on the FIN PG lower A
Effec-
tive
time
1st lot ’94/11
1st lot
1st lot
’95/2
1st lot ’94/11
Inter-
change-
ability
Note
*
51 PSPAZ0667FCZZ AH PG Sheet spacer
<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
specifie d ones fo r m ai n ta ini ng t he s a fe ty an d pe r fo rma nc e o f the set .
!
5. Interchangeable if replaced with same types of relate d parts in use .
6. Others .
* Parts guide corrections only.
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