SHARP SP1896 Technical Report

Date: Jul. 26, 1995

COPIER : SF-2014

1. MEASURES TO PREVENT SLIP JAMS AND ABNORMAL
NOISE IN THE CASSETTE PA PER FEEDER UNIT.

2. IMPROVEMENT MEASURES FOR THE MANUAL ARM.

1. Measures to prevent slip jams and abnormal noise in the cassette paper feeder unit.

1.Model name: SF-2014/2114/2214, SF-CM14
Z-800, SN-1420/1430, SN-CM11 (USA only)

No. : SP-1896

2.General: Slip jams in the cassette paper feeder and abnormal noise from the separator roller
sometimes occurs when using standard paper. To alleviate these problems, the
measures described below have been carried out.

3.Description: (1) Discontinuance of the roller cushion.
(2) Change in the reverse roller unit.

Uretain 80° 60°

Color: (white) (black)

Torque: 275 g•cm 300 g•cm

CROLR1052FC31 FC33

±50

±50

(3) Change in the limiter spring.

Diameter

Hook length

MSPRC2202FCZ1 MSPRC2357FCZZ

Diameter: φ13.5 φ13.4
Hook length: 2.5 4

SHARP CORPORATION Reprography Division

1/5

Green

C

(4) Change in the roller release arm spring.

90°

MSPRC2201FCZ1 MSPRC2358FCZZ

Number of coils: 10.75 10.61

(5) Discontinuance of paper feeder weight.

(6) Change in the shape of the roller shaft and addition of E-ring.

E7

40°

φ6

NY66

NSFTZ2118FCZZ

(7) Change in the paper feeder roller material.

EPDM

30°

NROLR1049FCZZ NROLR1049FCZ1

(8) Addition of ribs to the paper feeder frame.

Second paper feeder frame.

250 cassette paper feeder frame.

SUM24L

NSFTZ2218FCZZ

NOSOLEX (NSS)

25°

Color: (white) (black)

A-A

2/5

Rib

Rib