User guide
Table Of Contents
- Table of contents
- Introduction
- System overview of the 4635 LPS
- Using the PC UI
- Paper facts
- System control tasks
- Job control tasks
- Online printing tasks
- Offline printing tasks
- UNKNOWN
- Power on the open-reel tape drive
- Load an open-reel tape
- Load an open-reel tape by hand
- Unload an open-reel tape
- Unload an open-reel tape during a power failure
- Handle open-reel tapes
- Power on the 18 track 1/2 inch cartridge tape drive
- Unload a 1/2 inch cartridge
- Power off the 18/36 track 1/2 inch tape drive
- Handle cartridge tapes
- Load a 1/4 inch cartridge tape
- Handle 1/4 inch cartridge tapes
- Load a floppy disk
- Handle floppy disks
- Start an offline print job
- Rewind/unload tape
- Space
- Move
- UNKNOWN
- HIP printing tasks
- Status and print tasks
- File control tasks
- Maintenance tasks
- Precautions you should take
- Cleaning supplies
- Maintaining the printer
- Replacing the dry ink cartridge
- Replacing the dry ink waste container
- Adding fuser agent
- Cleaning the sensors and the reflecting surfaces
- Tape drive cleaning schedule
- Cleaning precautions—READ BEFORE CLEANING
- Cleaning procedures
- When to clean the tape drive
- Cleaning procedures
- How to clean the floppy disk drive
- Installing the custom transfer assist blade
- Setting tray size with the custom transfer assist blades
- Problem solving tasks
- LPS problems
- Printing problems
- Paper jams
- Incorrect paper size message
- Stacker bin problems
- System controller problems
- Tape drive does not perform self-load routine
- “OK” appears on the tape drive message display, but the loading door is closed
- Basic recovery procedure
- Initial program load (IPL) procedure fails
- You cannot insert a cartridge
- Tape does not unload
- Unloading a cartridge after a power failure
- Tape winds completely out of cartridge
- Message display is blank
- Tape drive does not become ready
- LPS problems
- MICR operating procedures
- Bar code operating procedures
- A. Meter reading and reporting
- B. Supplies
- Glossary
- Index

SYSTEM OVERVIEW OF THE 4635 LASER PRINTING SYSTEM
Figure 1-12. Open-reel tape drive control panel
1. Diag button. Sets or cancels diagnostic mode. (If DIAG
appears in the message display and a diagnostic program is
not active, pressing the Diag button cancels the diagnostic
mode. If DIAG does not appear in the message display,
pressing the Diag button sets the diagnostic mode.)
2. Ld/Onl(tens) button. Initiates loading; if loading is finished,
puts the tape drive online to the system controller. In
diagnostic mode, pressing this button increments the
program number appearing in the message display by tens.
3. Rwd/Unl(units) button. Rewinds the tape to beginning of
tape (BOT) if the tape drive is not online; when at BOT,
unloads the tape and opens the tape door. In diagnostic
mode, pressing this button increments the program number
appearing in the message display by single digits.
4. Reset(run/stop) button. Takes the tape drive offline and
cancels load and unload sequences. In diagnostic mode,
pressing this button starts a program or program stack if a
program is not running and stops the program or program
stack if a program is running.
5. Density(enter) button. Used to select the required
operating density or check the current density setting. In
diagnostic mode, this button is used to enter a program
number to the program stack.
6. Power switch. Powers the tape drive on (1) or off (0).
7. Message display. Displays tape drive messages and error
codes.
XEROX 4635 LASER PRINTING SYSTEM OPERATOR GUIDE 1-13