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Date: Sep. 14, 1994
COPIER : Z-20
1.PREVENTION OF ABRAISION OF GEAR FOR TONE SUPPLYING INSIDE
DRIVE UNIT
2.PREVENTION OF DOUBLE FEEDING, PAPER JAM AND OTHER TROUBLES
No. : SP-1814
1. Prevention of abraision of gear for tone supplying inside drive unit
1.Model name: Z-20, 23, 25, 27
2.General: We have applied the white grease to the gear(gear-18B) for toner supply inside the
drive unit to prevent its abraision.
White grease → UKOG-0158FCZZ
Apply a small amount of grease
(about 6mg) per a point and for three points.
Varnish the grease on three
points of the gear periphery
for about 2mm lines with
drivers or brushes.
(Detail illustration of varnishing grease)
3.Action: From mid-January 1994 production
2. Prevention of double feeding, paper jam and other troubles
1.Model name: Z-20, 23, 25, 27
2.General: We have made changes in forms of the bottom cabinet to prevent double feeding,
paper jam or other troubles.
SHARP CORPORATION Reprography Division
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Green
C
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Changed cabinets have been marked H1 on
a position shown in following illustration.
Bottom cabinet B
AC socket section
➀
➁
H1 marking
Sheet for pap er feeding
3.Description: ➀ Change in the forms of ribs to prevent the paper jam in the paper feeding gate
section.
➂
➁ Erasing of bushing line to prevent the paper jam and P-JAM.
➂ Change in the form of attachment side of the sheet for paper feeding to prevent
double feeding in multi paper feeding function.
Change of ➀ is only for Z-20.
Change of ➁ and ➂ are only for Z-23, 25 and 27.
4.Action: From March 1994 production (running change)
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