Read Sharp MX-DE21 Service Manual online
MX-DE21 MAINTENANCE 3 – 1
MX-DE21
Service Manual
[3] MAINTENANCE
1. Maintenance list
×
:Check (clean, replace or adjust as required) ○ :Clean
▲
:Replace △ :Adjust ☆ :Lubricate
On greasing
Greasing is not always necessary for every maintenance. In the following cases, check and grease.
- There are some noises.
- Many jams occur frequently. (Check the jam history.)
For the part code of grease to be used, refer to [15] “Tool List” in service manual (00ZMX3640/S1E).
Greasing is not always necessary for every maintenance. In the following cases, check and grease.
- There are some noises.
- Many jams occur frequently. (Check the jam history.)
For the part code of grease to be used, refer to [15] “Tool List” in service manual (00ZMX3640/S1E).
Cleaning of the paper feed and paper transport system sensors and detectors
Cleaning of the paper feed and paper transport system sensors and detectors is not always necessary for every maintenance. In the following
case, check and clean.
- A trouble or jam is generated because of the sensors or detectors. (Check the jam history.)
Cleaning of the paper feed and paper transport system sensors and detectors is not always necessary for every maintenance. In the following
case, check and clean.
- A trouble or jam is generated because of the sensors or detectors. (Check the jam history.)
Torque limiter check and replacement
Torque limiter check or replacement is not always necessary for every maintenance. In the following cases, check and replace.
- There are some noises.
- Many jams occur frequently. (Check the jam history.)
Torque limiter check or replacement is not always necessary for every maintenance. In the following cases, check and replace.
- There are some noises.
- Many jams occur frequently. (Check the jam history.)
Alcohol used for cleaning
Be sure to use ethanol for cleaning.
Unit work
sequence
sequence
Unit name
Parts
work
sequence
Part name
When
calling
When
machine
cycle
Remarks
1
Tray 3 paper feed unit
1
Paper pickup roller
✕
○
As a rough guide, these rollers should be replaced when
each tray paper feed counter reaches a value of 100K or
when one year has elapsed since the start of use.
each tray paper feed counter reaches a value of 100K or
when one year has elapsed since the start of use.
2
Paper feed roller
✕
○
3
Separation roller
✕
○
4
Torque limiter
✕
✕
As a rough guide, the torque limiter should be
replaced when each tray paper feed counter reaches
a value of 100K.
replaced when each tray paper feed counter reaches
a value of 100K.
---
Each sensor
✕
✕
---
Each paper guide
○
○
Clean with alcohol.
2
Tray 4 paper feed unit
5
Paper pickup roller
✕
○
As a rough guide, these rollers should be replaced when
each tray paper feed counter reaches a value of 100K or
when one year has elapsed since the start of use.
each tray paper feed counter reaches a value of 100K or
when one year has elapsed since the start of use.
6
Paper feed roller
✕
○
7
Separation roller
✕
○
8
Torque limiter
✕
✕
As a rough guide, the torque limiter should be
replaced when each tray paper feed counter reaches
a value of 100K.
replaced when each tray paper feed counter reaches
a value of 100K.
---
Each sensor
✕
✕
---
Each paper guide
○
○
Clean with alcohol.
3
Level transport unit
9
Level transport roller
R
R
✕
○
10
Level transport roller
L
L
✕
○
4
Desk transport unit
11
Transport roller 3
✕
○
Click on the first or last page to see other MX-DE21 service manuals if exist.